Findings

Parental guidance suggested

Kevin Lewis

January 23, 2014

“That’s Not Just Beautiful — That’s Incredibly Beautiful!”: The Adverse Impact of Inflated Praise on Children With Low Self-Esteem

Eddie Brummelman et al.
Psychological Science, forthcoming

Abstract:
In current Western society, children are often lavished with inflated praise (e.g., “You made an incredibly beautiful drawing!”). Inflated praise is often given in an attempt to raise children’s self-esteem. An experiment (Study 1) and naturalistic study (Study 2) found that adults are especially inclined to give inflated praise to children with low self-esteem. This inclination may backfire, however. Inflated praise might convey to children that they should continue to meet very high standards — a message that might discourage children with low self-esteem from taking on challenges. Another experiment (Study 3) found that inflated praise decreases challenge seeking in children with low self-esteem and has the opposite effect on children with high self-esteem. These findings show that inflated praise, although well intended, may cause children with low self-esteem to avoid crucial learning experiences.

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The Motherhood Penalty at Midlife: Long-Term Effects of Children on Women's Careers

Joan Kahn, Javier García-Manglano & Suzanne Bianchi
Journal of Marriage and Family, February 2014, Pages 56–72

Abstract:
The authors build on prior research on the motherhood wage penalty to examine whether the career penalties faced by mothers change over the life course. They broaden the focus beyond wages to also consider labor force participation and occupational status and use data from the National Longitudinal Survey of Young Women to model the changing impact of motherhood as women age from their 20s to their 50s (n = 4,730). They found that motherhood is “costly” to women's careers, but the effects on all 3 labor force outcomes attenuate at older ages. Children reduce women's labor force participation, but this effect is strongest when women are younger and is eliminated by the 40s and 50s. Mothers also seem able to regain ground in terms of occupational status. The wage penalty for having children varies by parity, persisting across the life course only for women who have 3 or more children.

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Housing Affordability And Investments In Children

Sandra Newman & Scott Holupka
Journal of Housing Economics, forthcoming

Abstract:
This paper uses the 2004-2009 Consumer Expenditure Surveys to examine whether housing affordability affects expenditures on children in families with income at or below 200 percent of the poverty line. After accounting for selection using propensity score matching, estimating effects using nonlinear GLM, and performing sensitivity tests, we find that child enrichment expenditures have an inverted U-shaped relationship with housing cost burden, our measure of housing affordability. This result is similar to the concave pattern of the association between housing cost burden and measures of children’s cognitive achievement in reading and math. Thus, child expenditures, particularly for enrichment, may be one mechanism by which housing affordability affects children’s cognitive outcomes. The inflection point for enrichment spending occurs at roughly the 30 percent housing cost-to-income ratio, the longstanding rule-of-thumb for defining housing affordability.

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Evaluative and hedonic wellbeing among those with and without children at home

Angus Deaton & Arthur Stone
Proceedings of the National Academy of Sciences, forthcoming

Abstract:
We document and interpret differences in life evaluation and in hedonic experience between those who live with children and those who do not; most previous literature has concluded that those with children have worse lives. For a sample of 1.8 million Americans of all ages, and without controls for other circumstances, we find little difference in subjective wellbeing between people with and without children. Among those most likely to be parents, life evaluation and all hedonic experiences except stress are markedly better among those living with a child. However, within this group, people who live with children are more likely to be married, richer, better educated, more religious, and healthier, all of which have well-documented positive associations with evaluative and hedonic wellbeing. With statistical controls for these background factors, the presence of a child has a small negative association with life evaluation, although it is associated with more of both positive and negative hedonics. These patterns are replicated in the English-speaking countries of the world, but not in other regions. We argue that the causal effect of children on parental wellbeing, which is the target for most of the literature, is not well defined. Instead, we interpret our rich-country results within a theory of children and wellbeing in which adults sort into parenthood according to their preferences. In poor, high-fertility countries, we find evidence that at least some people have children even when it diminishes their personal wellbeing.

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Universal Child Care, Maternal Employment, and Children’s Long-Run Outcomes: Evidence from the U.S. Lanham Act of 1940

Chris Herbst
Arizona State University Working Paper, December 2013

Abstract:
This paper provides a comprehensive analysis of the Lanham Act of 1940, a heavily-subsidized and universal child care program that was administered throughout the U.S. during World War II. I begin by estimating the impact of the Lanham Act on maternal employment using 1940 and 1950 Census data in a difference-in-difference-in-differences framework. The evidence suggests that mothers’ paid work increased substantially following the introduction of the child care program. I then study the implications of the Lanham Act for children’s long-run outcomes related to educational attainment, family formation, and labor market participation. Using Census data from 1970 to 1990, I assess well-being in a lifecycle framework by tracking cohorts of treated individuals throughout their prime working years. Results from difference-in-differences models suggest that the Lanham Act had strong and persistent positive effects on well-being, equivalent to a 0.36 standard deviation increase in a summary index of adult outcomes. In addition, a supplementary analysis of distributional effects shows that the benefits of the Lanham Act accrued largely to the most economically disadvantaged adults. Together, these findings shed light on the design of contemporary child care systems that balance the twin goals of increasing parental employment and enhancing child well-being.

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The formation of secure new attachments by children who were maltreated: An observational study of adolescents in foster care

Michelle Joseph et al.
Development and Psychopathology, February 2014, Pages 67-80

Abstract:
Children who were maltreated and enter foster care are at risk for maladjustment and relationship disturbances with foster carers. A popular hypothesis is that prior attachment relationships with abusive birth parents are internalized and carried forward to impair the child's subsequent attachment relationships. However, the empirical base for this model is limited, especially in adolescence. We examined the attachment patterns of 62 adolescents with their birth parents and their foster parents; we compared them to a comparison sample of 50 adolescents in normal-risk families. Attachment was assessed using the Child Attachment Interview; adolescent–parent interaction quality was assessed from direct observation; disruptive behavior symptoms were assessed from multiple informants. Whereas nearly all of the adolescents in foster families exhibited insecure attachments to their birth mothers (90%) and birth fathers (100%), nearly one-half were classified as having a secure attachment with their foster mother (46%) and father (49%); rates of secure attachment toward foster parents did not differ significantly from the rate in comparison families. Within the foster care sample, attachment security to the foster mother was predicted from current observed relationship quality and the duration of current placement. In addition, attachment quality in foster adolescents was associated with fewer disruptive behavior symptoms, and this association was equally strong in foster and comparison families. Our findings demonstrate that there is substantial potential for maltreated children to change and develop subsequent secure attachments in adolescence.

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Does Family Instability Make Girls Fat? Gender Differences Between Instability and Weight

Daphne Hernandez et al.
Journal of Marriage and Family, February 2014, Pages 175–190

Abstract:
Data from the 1979 National Longitudinal Survey of Youth and the Young Adult file were used to explore the relationship between the number of family structure transitions experienced from birth to age 18 and weight status in young adulthood. This was done by testing both linear risk and threshold effect models by gender (N = 3,447). The findings suggest that a linear risk approach best describes the relationship between family instability during childhood and weight status in young adulthood. Specifically, the cumulative family structure transitions children experienced from birth to age 18 place females, but not males, at greater risk for being overweight/obese in young adulthood. Sensitivity analyses indicated that cumulative family structure instability — and not formations or dissolutions separately — drove the main results. Birth order did not affect the findings. Increasing children's support systems during times of instability may reduce female children's risk of being overweight/obese as young adults.

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Early Adverse Environments and Genetic Influences on Age at First Sex: Evidence for Gene × Environment Interaction

Marie Carlson, Jane Mendle & Paige Harden
Developmental Psychology, forthcoming

Abstract:
Youth who experience adverse environments in early life initiate sexual activity at a younger age, on average, than those from more advantaged circumstances. Evolutionary theorists have posited that ecological stress precipitates earlier reproductive and sexual onset, but it is unclear how stressful environments interact with genetic influences on age at first sex. Using a sample of 1,244 pairs of twins and non-twin full siblings from the National Longitudinal Study of Adolescent Health, the present study tested for gene-by-environment interactions (G × E) on age at first sex (AFS). Multivariate interaction models indicated that genetic influences on AFS were suppressed among low-socioeconomic-status (SES) and ethnic-minority compared with higher SES and ethnic-majority youth. Father absence did not uniquely moderate genetic influences on AFS. These results are broadly consistent with previous findings that genetic influences are minimized among individuals whose environments are characterized by elevated risk; however, future research would benefit from samples with larger numbers of individuals at the very low end of the SES spectrum.

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Fostering relations: First sex and marital timings for children raised by kin and non-kin carers

Paula Sheppard et al.
Evolution and Human Behavior, forthcoming

Abstract:
Kinship fostering is generally preferred to non-kin fostering by policy makers in the U.S. and elsewhere. Researchers and policy makers alike tend to provide several proximate reasons for why this may be, generally neglecting an ultimate evolutionary framework. However, kin selection theory predicts that in the absence of genetically related parents, care from kin will result in the most similar life history outcomes. In low-fertility settings, parents typically favour increased investment in embodied capital and thus delayed reproductive life history strategy. Using archival data from the original Kinsey survey, collected in the U.S. from 1938 to 1963, we used survival analyses to compare the effects of living with kin and non-kin fosterers in childhood on timings of first sex and marriage. Our results support a kin selection hypothesis showing that while fostered children have accelerated life histories compared to children from “intact families”, kin fosterers buffer children from early sexual and reproductive behaviours, compared to children cared for by non-kin.

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Family Learning Environment and Early Literacy: A Comparison of Bilingual and Monolingual Children

Li Feng, Yunwei Gai & Xiaoning Chen
Economics of Education Review, forthcoming

Abstract:
Early research on literacy development usually focuses on children in preschool or kindergarten. Few studies have examined the early literacy of bilingual children. This study examines its relationship with different family learning environments (e.g. book availability), and family learning activities (e.g. reading books, telling stories, and singing songs) of bilingual and monolingual children from 9 months of age to kindergarten entry. The Early Childhood Longitudinal Study-Birth Cohort was used as the analysis sample. We included 1,200 bilingual children and 5,350 English monolingual children. We uncover that bilingual children generally lag behind in both resources and frequency of family learning activities. Using various decomposition techniques, we show that early reading score differences between bilingual and monolingual children can be explained by differences in resources and early family learning environments.

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The Effects of Paid Family Leave in California on Labor Market Outcomes

Charles Baum & Christopher Ruhm
NBER Working Paper, December 2013

Abstract:
Using data from the 1997 cohort of the National Longitudinal Survey of Youth (NLSY-97), we examine the effects of California’s first in the nation government-mandated paid family leave program (CA-PFL) on mothers’ and fathers’ use of leave during the period surrounding child birth, and on the timing of mothers’ return to work, the probability of eventually returning to pre-childbirth jobs, and subsequent labor market outcomes. Our results show that CA-PFL raised leave-taking by around 2.4 weeks for the average mother and just under one week for the average father. The timing of the increased leave use – immediately after birth for men and around the time that temporary disability insurance benefits are exhausted for women – is consistent with causal effects of CA-PFL. Rights to paid leave are also associated with higher work and employment probabilities for mothers nine to twelve months after birth, possibly because they increase job continuity among those with relatively weak labor force attachments. We also find positive effects of California’s program on hours and weeks of work during their child’s second year of life and possibly also on wages.

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Who Was Helping? The Scope for Female Cooperative Breeding in Early Homo

Adrian Viliami Bell, Katie Hinde & Lesley Newson
PLoS ONE, December 2013

Abstract:
Derived aspects of our human life history, such as short interbirth intervals and altricial newborns, have been attributed to male provisioning of nutrient-rich meat within monogamous relationships. However, many primatologists and anthropologists have questioned the relative importance of pair-bonding and biparental care, pointing to evidence that cooperative breeding better characterizes human reproductive and child-care relationships. We present a mathematical model with empirically-informed parameter ranges showing that natural selection favors cooperation among mothers over a wide range of conditions. In contrast, our analysis provides a far more narrow range of support for selection favoring male coalition-based monogamy over more promiscuous independent males, suggesting that provisioning within monogamous relationships may fall short of explaining the evolution of Homo life history. Rather, broader cooperative networks within and between the sexes provide the primary basis for our unique life history.

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Variation in Associations Between Family Dinners and Adolescent Well-Being

Ann Meier & Kelly Musick
Journal of Marriage and Family, February 2014, Pages 13–23

Abstract:
Empirical evidence and conventional wisdom suggest that family dinners are associated with positive outcomes for youth. Recent research using fixed-effects models as a more stringent test of causality suggests a more limited role of family meals in protecting children from risk. Estimates of average effects, however, may mask important variation in the link between family meals and well-being; in particular, family meals may be more or less helpful based on the quality of family relationships. Using 2 waves of the National Longitudinal Study of Adolescent Health (N = 17,977), this study extended recent work to find that family dinners have little benefit when parent–child relationships are weak but contribute to fewer depressive symptoms and less delinquency among adolescents when family relationships are strong. The findings highlight the importance of attending to variation when assessing what helps and what hurts in families.

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Breastfeeding and trajectories of children's cognitive development

Jin Huang et al.
Developmental Science, forthcoming

Abstract:
The aim of this study was to examine the association of breastfeeding practices with the growth trajectories of children's cognitive development. We used data from the Child Development Supplement (CDS) of the Panel Study of Income Dynamics (PSID) with variables on presence and duration of breastfeeding and standardized test scores obtained during three different panel waves (N = 2681). After adjusting for covariates we found that breastfed children had higher test scores but that breastfed and non-breastfed children had similar growth trajectories in test scores over time. The results indicate that breastfeeding has an important association with test scores, and that subsequent schooling and other experiences during adolescence do not eliminate the breastfeeding gap that appears in very early childhood.

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The Effects of Breastfeeding Exclusivity on Early Childhood Outcomes

Jade Marcus Jenkins & Michael Foster
American Journal of Public Health, February 2014, Pages S128-S135

Objectives: We examined the relationship between breastfeeding exclusivity and duration and children’s health and cognitive outcomes at ages 2 and 4 years.

Methods: We used the Early Childhood Longitudinal Study—Birth Cohort, a nationally representative sample of 10 700 children born in the United States in 2001. Parent interviews and child assessments were conducted in measurement waves at 9 months, 2 years, 4 years, and in kindergarten, with the focus on ages 2 and 4 years. We employed propensity scores as a means of adjusting for confounding involving observed characteristics.

Results: Outcome analyses using propensity scores showed some small effects of breastfeeding on key outcomes at age 4 years but not at age 2 years. Effects appeared to be concentrated in reading and cognitive outcomes. Overall, we found no consistent evidence for dosage effects of breastfeeding exclusivity. Our sensitivity analyses revealed that a small amount of unobserved confounding could be responsible for the resulting benefits.

Conclusions: Our study revealed little or no effect of breastfeeding exclusivity and duration on key child outcomes.

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Children of surrogate mothers: Psychological well-being, family relationships and experiences of surrogacy

V. Jadva & S. Imrie
Human Reproduction, January 2014, Pages 90-96

Study question: What impact does surrogacy have on the surrogates' own children?

Particiapnts/materials, setting, methods: Participants whose mother had been a surrogate 5–15 years prior to interview and who were aged over 12 years were eligible to take part. Thirty-six participants (14 male and 22 female) aged 12–25 years were interviewed (response rate = 52%). Questionnaires assessing psychological health and family functioning were administered.

Main results and the role of chance: Forty-four per cent (15) of participants' mothers had undergone gestational surrogacy, 39% (14) had used their own egg (genetic surrogacy) and 19% (7) had completed both types of surrogacy. Most surrogates' children (86%, 31) had a positive view of their mother's surrogacy. Forty-seven per cent (17) of children were in contact with the surrogacy child and all reported good relationships with him/her. Forty per cent (14) of children referred to the child as a sibling or half-sibling and this did not differ between genetic and gestational surrogacy. Most children (89%, 32), reported a positive view of family life, with all enjoying spending time with their mother. Mean scores on the questionnaire assessments of psychological health and self-esteem were within the normal range and did not differ by surrogacy type.

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Broadband in the Labor Market: The Impact of Residential High Speed Internet on Married Women's Labor Force Participation

Lisa Dettling
Federal Reserve Working Paper, September 2013

Abstract:
This paper investigates how high-speed home Internet has impacted married women's labor force participation. I estimate the net effect of individual Internet usage on labor supply using an instrumental variables strategy which exploits cross-state variation in supply-side constraints to residential broadband Internet access. Results indicate that married women who use the Internet are more likely to participate in the labor force. The average effects mask substantial heterogeneity and increases in participation are concentrated on women with higher levels of education and children. The results suggest home Internet facilitates work-family balance for highly educated women.

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Proceed With Caution? Parents' Union Dissolution and Children's Educational Achievement

Wendy Sigle-Rushton et al.
Journal of Marriage and Family, February 2014, Pages 161–174

Abstract:
Using high-quality Norwegian register data on 49,879 children from 23,655 families, the authors estimated sibling fixed-effects models to explore whether children who are younger at the time of a parental union dissolution perform less well academically, as measured by their grades at age 16, than their older siblings who have spent more time living with both biological parents. Results from a baseline model suggest a positive age gradient that is consistent with findings in some of the extant family structure literature. Once birth order is taken into account, the gradient reverses. When analyses also control for grade inflation by adding year of birth to the model, only those children who experience a dissolution just prior to receiving their grades appear relatively disadvantaged. The results illustrate the need to specify and interpret sibling fixed-effects model with great care.

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“My Baby & Me”: Effects of an Early, Comprehensive Parenting Intervention on At-Risk Mothers and Their Children

Cathy Guttentag et al.
Developmental Psychology, forthcoming

Abstract:
This study examined the efficacy of a multimodule parenting intervention, “My Baby & Me,” that began prenatally and continued until children reached 2.5 years of age. The intervention targeted specific parenting skills designed to alter trajectories of maternal and child development. Of 361 high-risk mothers (193 adolescents, 168 adults) enrolled across 4 states, half were randomly assigned to the high-intensity (HI) home visitation coaching program (55 sessions), and half to a low-intensity (LI) condition that included monthly phone calls from a coach, printed informational materials, and community resource referrals. Videotaped observations of mother–child play were coded at 5 time points for multiple maternal and child behaviors and skills. Compared to mothers in the LI group, mothers in the HI group showed higher levels of contingent responsiveness, higher quality verbal stimulation, and more verbal scaffolding by 30 months, with higher levels of warmth and greater decreases in physical intrusiveness and negativity when their children were 24 months. By 30 months, children in the HI group showed more rapid increases and higher levels of engagement with the environment, expressive language skills, and social engagement, as well as more complex toy play and fewer problem behaviors than those in the LI group. Gains in maternal responsive behaviors mediated the effects of the intervention on child outcomes. Results were comparable for adolescent and adult mothers. A strong theoretical framework, consistent focus on maternal responsiveness, high dosage, and trusting relationships with coaches are thought to explain the positive outcomes.

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Developmental trajectory from early responses to transgressions to future antisocial behavior: Evidence for the role of the parent–child relationship from two longitudinal studies

Sanghag Kim et al.
Development and Psychopathology, February 2014, Pages 93-109

Abstract:
Parent–child relationships are critical in development, but much remains to be learned about the mechanisms of their impact. We examined the early parent–child relationship as a moderator of the developmental trajectory from children's affective and behavioral responses to transgressions to future antisocial, externalizing behavior problems in the Family Study (102 community mothers, fathers, and infants, followed through age 8) and the Play Study (186 low-income, diverse mothers and toddlers, followed for 10 months). The relationship quality was indexed by attachment security in the Family Study and maternal responsiveness in the Play Study. Responses to transgressions (tense discomfort and reparation) were observed in laboratory mishaps wherein children believed they had damaged a valued object. Antisocial outcomes were rated by parents. In both studies, early relationships moderated the future developmental trajectory: diminished tense discomfort predicted more antisocial outcomes, but only in insecure or unresponsive relationships. That risk was defused in secure or responsive relationships. Moderated mediation analyses in the Family Study indicated that the links between diminished tense discomfort and future antisocial behavior in insecure parent–child dyads were mediated by stronger discipline pressure from parents. By indirectly influencing future developmental sequelae, early relationships may increase or decrease the probability that the parent–child dyad will embark on a path toward antisocial outcomes.

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Survival of Offspring who Experience Early Parental Death: Early Life Conditions and Later-Life Mortality

Ken Smith et al.
Social Science & Medicine, forthcoming

Abstract:
We examine the influences of a set of early life conditions (ELCs) on all-cause and cause-specific mortality among elderly individuals, with special attention to one of the most dramatic early events in a child's, adolescent's, or even young adult's life, the death of a parent. The foremost question is, once controlling for prevailing (and potentially confounding) conditions early in life (family history of longevity, paternal characteristics (SES, age at time of birth, sibship size, and religious affiliation)), is a parental death associated with enduring mortality risks after age 65? The years following parental death may initiate new circumstances through which the adverse effects of paternal death operate. Here we consider the offspring's marital status (whether married; whether and when widowed), adult socioeconomic status, fertility, and later life health status. Adult health status is based on the Charlson Co-Morbidity Index, a construct that summarizes nearly all serious illnesses afflicting older individuals that relies on Medicare data. The data are based on linkages between the Utah Population Database and Medicare claims that hold medical diagnoses data. We show that offspring whose parents died when they were children, but especially when they were adolescents/young adults, have modest but significant mortality risks after age 65. What are striking are the weak mediating influences of later-life comorbidities, marital status, fertility and adult socioeconomic status since controls for these do little to alter the overall association. No beneficial effects of the surviving parent's remarriage were detected. Overall, we show the persistence of the effects of early life loss on later-life mortality and indicate the difficulties in addressing challenges at young ages.

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Parental misperception of youngest child size

Jordy Kaufman et al.
Current Biology, 16 December 2013, Pages R1085-R1086

Abstract:
After the birth of a second child many parents report that their first child appears to grow suddenly and substantially larger. Why is this? One possibility is that this is simply a contrast effect that stems from comparing the older sibling to the new baby: “everything looks big compared to a newborn”. But, such reports could be the result of a far more interesting biopsychological phenomenon. More specifically, we hypothesized that human parents are subject to a kind of ‘baby illusion’ under which they routinely misperceive their youngest child as smaller than he/she really is, regardless of the child’s age. Then, when a new baby is born, this illusion ceases and the parent sees, for the first time, the erstwhile youngest at its true size. By this account the apparent growth results from the mismatch of the parent’s now accurate perception with the stored memories of earlier misperceptions. Here we report that the baby illusion is a real and commonly occurring effect that recasts our understanding of how infantile features motivate parental caregiving.

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The impact of attachment on preschool children’s preference for parent-resembling faces — A possible link to sexual imprinting

F. Kocsor, P. Gyuris & T. Bereczkei
Journal of Evolutionary Psychology, December 2013, Pages 171-183

Abstract:
One possible form of how children use parental models in their social relations would be if children showed more willingness to make friends with peers resembling their parents. To test this possibility, composite faces created from 3 to 6 year old children’s photos were transformed to resemble facial images of their parents. The children were asked to show which one of the two same-sex transforms they find more appealing: the familial or the control face. Children who lived in emotional proximity to their parents, and in particular to their mothers, were attracted more to father-resembling faces than to unfamiliar ones. These results suggest that childhood experiences influence face preferences. This bias may affect social decisions later in adulthood, and could help to explain preferences for parent-resembling mates.

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Empirically probing the quantity–quality model

Emla Fitzsimons & Bansi Malde
Journal of Population Economics, January 2014, Pages 33-68

Abstract:
This paper etimates the causal effects of family size on girls’ education in Mexico, exploiting prenatal son preference as a source of random variation in the propensity to have more children within an instrumental variables framework. It finds no evidence of family size having an adverse effect on education. The paper then weakens the identification assumption and allows for the possibility that the instrument is invalid. It finds that the effects of family size on girls’ schooling remain extremely modest at most. Families that are relatively large compensate for reduced per-child resources by increasing maternal labour supply.

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The role of skin conductance level reactivity in the impact of children’s exposure to interparental conflict on their attention performance

Martina Zemp, Guy Bodenmann & Mark Cummings
Journal of Experimental Child Psychology, February 2014, Pages 1–12

Abstract:
Previous research suggests that undermining of attention performance might be one decisive underlying mechanism in the link between marital conflict and children’s academic maladjustment, but little is known about specific risk patterns in this regard. This study examines, in an experimental approach, the role of children’s history of interparental discord and skin conductance level reactivity (SCLR) as moderators in the link between analogue marital conflict exposure and children’s attention. The attention performance of 57 children, aged 11 to 13 years, was assessed prior to and immediately after a 1-min video exposure to either (a) a couple conflict or (b) a neutral condition. SCLR was measured continuously throughout the stimulus presentation. Results indicated that children’s family background of interparental conflict and their physiological reactivity moderated the influence of the experimental stimulus on children’s short-term attention performance. Lower SCLR served as a protective factor in children from high-conflict homes exposed to the couple conflict. The current study advances the body of knowledge in this field by identifying risk patterns for the development of attention problems in children in relation to marital conflict exposure.

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Child Diurnal Cortisol Rhythms, Parenting Quality, and Externalizing Behaviors in Preadolescence

Christina Gamache Martin et al.
Psychoneuroendocrinology, February 2014, Pages 170–180

Abstract:
This study examined a neurobiologically–informed model of the emergence of child externalizing behaviors in an ethnically diverse community sample of 232 9–12 year old children. Replicating extensive prior research, our analyses revealed that parents’ inconsistent discipline and poor quality monitoring were predictive of child externalizing behavior. In addition, poor parental monitoring, but not inconsistent discipline, was associated with children having a significantly flatter morning–to–evening cortisol slope, which was in turn, related to higher levels of externalizing behaviors. An indirect effect of parental monitoring on externalizing behaviors, through child diurnal cortisol rhythms, was also supported. These findings highlight the role of the hypothalamic–pituitary–adrenal (HPA) axis and its hormonal end product, cortisol, in the relationship between the caregiving environment and the development of externalizing behaviors.

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The bonnie baby: Experimentally manipulated temperament affects perceived cuteness and motivation to view infant faces

Christine Parsons et al.
Developmental Science, forthcoming

Abstract:
Attractive individuals are perceived as having various positive personality qualities. Positive personality qualities can in turn increase perceived attractiveness. However, the developmental origins of the link between attractiveness and personality are not understood. This is important because infant attractiveness (‘cuteness’) elicits caregiving from adults, and infant personality (‘temperament’) shapes caregiving behaviour. While research suggests that adults have more positive attitudes towards cuter infants, it is not known whether positive infant temperament can increase the perception of infant cuteness. We investigated the impact of experimentally established infant temperament on adults' perception of cuteness and desire to view individual faces. At baseline, adults rated the cuteness of, and keypressed to view, images of unfamiliar infants with neutral facial expressions. Training required adults to learn about an infant's ‘temperament’, through repeated pairing of the neutral infant face with positive or negative facial expressions and vocalizations. Adults then re-rated the original neutral infant faces. Post-training, there were significant changes from baseline: infants who were mostly happy were perceived as cuter and adults expended greater effort to view them. Infants who were mostly sad were not perceived as cuter and adults expended less effort to view them. Our results suggest that temperament has clear consequences for how adults perceive ‘bonnie’ babies. Perception of infant cuteness is not based on physical facial features alone, and is modifiable through experience.

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Implementation and Randomized Controlled Trial Evaluation of Universal Postnatal Nurse Home Visiting

Kenneth Dodge et al.
American Journal of Public Health, February 2014, Pages S136-S143

Objectives: We evaluated whether a brief, universal, postnatal nurse home-visiting intervention can be implemented with high penetration and fidelity, prevent emergency health care services, and promote positive parenting by infant age 6 months.

Methods: Durham Connects is a manualized 4- to 7-session program to assess family needs and connect parents with community resources to improve infant health and well-being. All 4777 resident births in Durham, North Carolina, between July 1, 2009, and December 31, 2010, were randomly assigned to intervention and control conditions. A random, representative subset of 549 families received blinded interviews for impact evaluation.

Results: Of all families, 80% initiated participation; adherence was 84%. Hospital records indicated that Durham Connects infants had 59% fewer infant emergency medical care episodes than did control infants. Durham Connects mothers reported fewer infant emergency care episodes and more community connections, more positive parenting behaviors, participation in higher quality out-of-home child care, and lower rates of anxiety than control mothers. Blinded observers reported higher quality home environments for Durham Connects than for control families.

Conclusions: A brief universal home-visiting program implemented with high penetration and fidelity can lower costly emergency medical care and improve family outcomes.


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