Sources of child vocabulary competence: a multivariate model

This study examines sources of individual variation in child vocabulary competence in the context of a multivariate developmental ecological model. Maternal sociodemographic characteristics, personological characteristics, and vocabulary, as well as child gender, social competence, and vocabulary competence were evaluated simultaneously in 126 children aged 1;8 and their mothers. Measures of child vocabulary competence included two measures each of spontaneous speech, experimenter assessments, and maternal reports. Maternal measures, from proximal to distal, included vocabulary, verbal intelligence, personality, attitudes toward parenting, knowledge of parenting, and SES. Structural equation modelling supported several direct unique predictive relations: child gender (girls higher) and social competence as well as maternal attitudes toward parenting predicted child vocabulary competence, and mothers' vocabulary predicted child vocabulary comprehension and two measures of mother-reported child vocabulary expression. In addition, children's vocabulary competence was influenced indirectly by mothers' vocabulary, social personality, and knowledge of child development. Maternal vocabulary itself was positively influenced by SES, maternal verbal intelligence, and mothers' knowledge about parenting. Individual variation in child vocabulary competence might best be understood as arising within a nexus of contextual factors both proximal and distal to the child.     

Mothers' teaching strategies and children's effortful control: A longitudinal study.

Findings on the relation of maternal verbal teaching strategies to children's effortful control (EC; i.e., self-regulation) are limited in quantity and somewhat inconsistent. In this study, children's EC was assessed at 18, 30, and 42 months (ns = 255, 229, and 209, respectively) with adults' reports and a behavioral measure. Mothers' verbal teaching strategies were assessed while the mother and child worked on a task together. Children's general vocabulary also was measured. In a structural panel model taking into account prior levels of constructs and correlations within time, as well as the relations of EC and teaching strategies to children's vocabulary, socioeconomic status, age, and sex of the child, 18-month EC positively predicted mothers' 30-month cognitive assistance and questioning strategies and negatively predicted 30-month maternal directive strategies. In addition, high 30-month EC predicted greater 42-month maternal cognitive assistance and fewer directive strategies. Thus, mothers' teaching strategies were predicted by individual differences in self-regulatory skills, supporting potential evocative child effects on mothers' teaching strategies. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Design and evaluation of an obedience training program for mothers of preschool children.

Conducted a training program in a clinic playroom to teach 24 mothers to use the principles of contingent social reinforcement to increase their preschool child's obedience. During the training, E relayed commands to the mother, cued her to reinforce her child, and reinforced the mother from behind a 1-way vision screen using a "bug-in-the-ear" device. As a group, the mothers' contingent use of maternal proximity and verbal reinforcement improved significantly as a result of the training program. Children's obedience to their mothers' verbal commands was improved as well. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Relations between social contingency in mother-child interaction and 2-year-olds' social competence.

This study examined relations between social contingency in mother–child interaction and low income 9-yr-olds' social competence using a cross-sectional design (n?=?42). Measures of social contingency included time spent in joint attention and dyadic turn-taking behaviors following maternal bids. Measures of child social competence included emotional self-regulation during a delay-of-gratification task and empathic responsiveness toward an experimenter feigning injury. Social contingency was related to children's use of self-regulatory strategies, but not to empathic responsiveness. Child negative emotionality and gender contributed to explanations of children's self-regulatory strategy use. More emotionally negative children spent less time using self-distraction; girls used less self-distraction and more comfort-seeking during delay than did boys. However, time spent in joint attention made an additional independent contribution over and above child factors. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Verbal interaction in families of normal and expressive-language-delayed children.

Developmental expressive language disorder (ELD) is a condition characterized by a delay in the development of expressive language compared with receptive language and IQ. Conditions that might contribute to the origins or maintenance of ELD are poorly understood. Unusual verbal interactions between parents and ELD children might be implicated in the origins of ELD or might represent parental reactivity to the child's limited expressive skills. We compared verbal interactions in the homes of 28-month-old ELD children, and 17-month-old normal children matched on expressive ability with the ELD children. We analyzed frequencies of major pragmatic categories of parent and child verbal behavior as well as sequential relations involving those categories. Pragmatic interactions in the ELD families were substantially similar to those in the families of the normal younger children and different from those in the older normal children. A measure of the structural complexity of maternal speech (MLU) did not differ across the groups. These results indicate that pragmatic language interactions in the families of ELD children are determined largely by the children's level of expressive ability rather than by their age or receptive abilities. In this regard, the child directed speech of parents of ELD children cannot be considered deviant and cannot be implicated in the etiology of ELD. The sensitivity of parents to their child's level of expressive ability suggests the need for refinement in current hypotheses concerning child directed speech. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Mothering under pressure: Environmental, child, and dyadic correlates of maternal self-efficacy among low-income women.

In this study, the authors examine environmental, child, and dyadic correlates of mothers' perceptions of parenting self-efficacy among a group of women raising toddlers in an urban area of concentrated poverty (N?=?44). Findings suggest that women's self-efficacy is inversely related to the number of environmental risks and to child's temperamental difficulty. Although observed measures of dyadic conflict were not directly related to women's ratings of self-efficacy, hierarchical regression analysis indicated that mother–toddler conflict served as a moderator. Specifically, higher maternal self-efficacy was associated with fewer risks for women experiencing higher levels of conflict. For mothers experiencing lower levels of conflict with their children, maternal self-efficacy was inversely associated with child's temperamental difficulty. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Adolescent mothers' cognitions and behaviors as at-risk indicators.

Examined how qualities of adolescent mothers (AMs) are related to their child's socioemotional development and the relationship between maternal characteristics and the AM's ratings of her child's behavior. Ss included 39 AMs (mean age 17.9 yrs) and their children (aged 4–22 mo). Multiple measures of parental characteristics were used, including self-report measures of parenting expectations and mood orientation, and a qualitative behavioral measure of involvement. Analyses compared these measures with ratings of the child's coping behavior by trained observers and mothers' ratings of their child using the Parenting Stress Index (PSI). Findings indicate that parenting expectations had a unique and differential power in explaining both objective child observation ratings and the mothers' PSI ratings of their children. Interactions involving maternal positive behavior were related significantly to mothers' PSI ratings of the child's acceptability or reinforcement. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Mother–infant interaction and the development of individual differences in children's cognitive competence.

Assessed the antecedents of individual differences in children's cognitive/language competence at age 24 mo using multivariate methods at ages 6, 13, and 24 mo in 121 Ss. Assessments included detailed observations of mother–children interaction, standardized tests of child cognitive development (including the Home Observation for Measurement of the Environment and the Bayley Mental Scale of Infant Development), and examiner and maternal ratings of child sociability. There were meaningful patterns of continuity in the child and especially mother behavior factors across ages, and mother–child warm, verbal interactions at each age were associated with a composite index of child competence at 24 mo. A path analysis showed that altogether, 40% of the variance in competence outcome was explained by the 4 variables in the model (interaction at 3 ages and SES). The analysis also showed that the original bivariate correlation between interaction at 6 mo and later competence could be explained by continuity in interaction qualities at 6 and 24 mo rather than as a direct effect. However, the 13-mo interaction showed both a direct path to competence and an indirect one via age 24-mo interaction. SES had a modest significant correlation with competence, but in the path analysis this was dissipated in nonsignificant paths to the interaction variables. Partial correlations suggested that child developmental competence and sociability at earlier ages did not mediate the relationships between mother–infant interaction and later child competence. (34 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Mother's emotional expressivity and children's behavior problems and social competence: Mediation through children's regulation.

The relations between mothers' expressed positive and negative emotion and 55–79-month-olds' (76% European American) regulation, social competence, and adjustment were examined. Structural equation modeling was used to test the plausibility of the hypothesis that the effects of maternal expression of emotion on children's adjustment and social competence are mediated through children's dispositional regulation. Mothers' expressed emotions were assessed during interactions with their children and with maternal reports of emotions expressed in the family. Children's regulation, externalizing and internalizing problems, and social competence were rated by parents and teachers, and children's persistence was surreptitiously observed. There were unique effects of positive and negative maternal expressed emotion on children's regulation, and the relations of maternal expressed emotion to children's externalizing problem behaviors and social competence were mediated through children's regulation. Alternative models of causation were tested; a child-directed model in which maternal expressivity mediated the effects of child regulation on child outcomes did not fit the data as well. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Life stress, maternal optimism, and adolescent competence in single mother, African American families.

Although research demonstrates many negative family outcomes associated with single-parent households, little is known about processes that lead to positive outcomes for these families. Using 3 waves of longitudinal data, we examined how maternal dispositional optimism and life stressors are associated with parenting and child outcomes in 394 single mother African American families. Confirming prior research, we found that mothers' childhood adversities, current economic pressure, and internalizing problems were associated with lower levels of maternal warmth and child management and with lower child school competence. Extending previous studies, we found that maternal optimism was a positive resource, predicting lower levels of maternal internalizing symptoms and higher levels of effective child management and moderating the impact of economic stress on maternal internalizing problems. These findings highlight the need for further investigation of processes and resources that promote positive outcomes for African American mother-headed families and single mother families in general. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Early language and intelligence development and their relationship to future criminal behavior.

Investigated the relationship between intelligence, measured regularly from the ages of 3 to 17 yrs, and registered criminality in 122 boys in a birth-to-maturity study. Significant negative correlations appeared at several ages, even for intelligence assessed as early as at the age of 3 yrs. The hypothesis was advanced that the early language development of the Ss would be negatively associated with future criminality. Information on language development, obtained by applying the Brunet-Lézine psychomotor developmental test for infants, substantiated this hypothesis. Significant correlations with registered criminality appeared for language development at 6, 18, and 24 mo. Further support for the hypothesized link was provided by psychologists' ratings of children's verbal behavior and by maternal reports of their child's speech at ages 3–5 yrs. The role of early language retardation in contributing to later criminality is discussed. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Stable maternal cohabitation, couple relationship quality, and characteristics of the home environment in the child's first two years.

Data from the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development was used to address how cohabitation of unmarried 2-biological-parent families is associated with characteristics of young children's family environment using longitudinal assessments of maternal depression and observed parenting sensitivity collected across the child's first 2 years and mothers' reports of couple relationship conflict and ambivalence. We compared 43 cohabiting 2-biological-parent families and 877 married 2-biological-parent families, all of whom had stable relationships over the child's first 2 years. Demographic factors of lower parental education, non-White race/ethnicity, and low income characterized the cohabiting parents, in comparison with married parents. After controlling for these demographic differences, we found that stably cohabiting mothers reported more depressive symptoms and were less sensitive with their child than were married mothers. Cohabiting couple relationships were characterized by more ambivalence and conflict, each of which partially mediated associations of cohabitation with maternal depression and parenting sensitivity. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Communicative styles of mothers interacting with their preschool-age children: a factor analytic study

The aim of this study was to determine if mothers display identifiably different communicative styles in their interaction with their normally developing two- to five-year-old children. In order to investigate this issue an extensive coding system was developed, which assessed the structural organization and the communicative function of the speech of 71 mothers as they interacted with their children. By means of factor analysis three maternal communicative styles were distinguished: non-intervening, explaining and directing. In the non-intervening style there is no direct pressure from the mother on the child to respond verbally. The explaining mother is primarily concerned with providing information to her child in a way that gives the child little opportunity to take the speaking turn. The directing mother is mainly engaged in directing the child's behaviour by means of verbal control. The internal consistency of the three communicative styles appeared to be both satisfactory and related to relevant child and mother features.     

External sources of individual differences? A cross-linguistic analysis of the phonetics of mothers' speech to 1-yr-old children.

Wide individual differences in early word production characterize children learning the same language, but the role of specific adult input in this interchild variability is unknown. Sampling the speech of American, French, and Swedish mothers (5 in each language group) to their 1-yr-old children, this study analyzed the distribution of consonantal categories, word length, and final consonants in running speech, content words, initial consonant of content words, and target words (adult models of words attempted by the children) as well as the children's own early words (from age 9 mo to about 18 mo). Variability is greater in child words than adult speech, and individual mother–child dyads show no evidence of specific maternal influence on the phonetics of the child's speech. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Trajectories of externalizing behavior from age 2 to age 9: Relations with gender, temperament, ethnicity, parenting, and rater.

Trajectories of children's externalizing behavior were examined using multilevel growth curve modeling of data from the NICHD Study of Early Child Care and Youth Development. According to ratings by both mothers and caregivers/teachers when children were 2, 3, 4, 7, and 9 years old, externalizing behavior declined with age. However, mothers rated children as higher in externalizing behavior than did caregivers and teachers. Higher levels of age 9 externalizing behavior were predicted by the following factors: child male gender (for caregiver/teacher reports only), infant difficult temperament (for children with harsh mothers only), harsher maternal attitude toward discipline, higher level of maternal depression (for maternal reports only), and lower level of maternal sensitivity (especially for boys). Caregivers and teachers reported higher levels of externalizing behavior in African American children than in European American children, increasingly so over time; mothers' ratings revealed the reverse. The declining slope of externalizing behavior was predicted by infant difficult temperament for mother reports only. Additional analyses suggested that the association between parenting and externalizing behavior was bidirectional. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Multiple jeopardy: risk and protective factors among addicted mothers' offspring

Objectives of this study were to ascertain risk and protective factors in the adjustment of 78 school-age and teenage offspring of opioid- and cocaine-abusing mothers. Using a multimethod, multiinformant approach, child outcomes were operationalized via lifetime psychiatric diagnoses and everyday social competence (each based on both mother and child reports), and dimensional assessments of symptoms (mother report). Risk/protective factors examined included the child sociodemographic attributes of gender, age, and ethnicity, aspects of maternal psychopathology, and both mother's and children's cognitive functioning. Results revealed that greater child maladjustment was linked with increasing age, Caucasian (as opposed to African American) ethnicity, severity of maternal psychiatric disturbance, higher maternal cognitive abilities (among African Americans) and lower child cognitive abilities (among Caucasians). Limitations of the study are discussed, as are implications of findings for future research.     

Conversations about feeling states between mothers and their young children.

The development of children's verbal communication about feeling states was studied by analyzing naturally occurring conversations at home. The data were recorded during two longitudinal studies. In Study 1, 43 second-born children were observed with mother and older sibling at 18 and 24 months. In Study 2, 16 firstborn children were observed with mother and younger sibling at 25 and 32 months. Both studies showed that by 2 years of age, the majority of children referred to a range of feeling states in self and other, and they discussed the cause of feeling states in a variety of contexts (including pretend games). References to feeling states made by mother and older sibling when the target child was 18 months were positively correlated with the target child's speech about feeling states at 24 months. Both mothers and older siblings mentioned feeling states more frequently to girls than to boys. By 24 months, the girls themselves referred to feeling states significantly more often than boys. (27 ref) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Développement langagier et cognitif de l'enfant durant les trois premières années en relation avec la durée des vocalisations maternelles et les jouets présents dans l'environment: étude longitudinale auprès de populations á risque.

This study compares language and cognitive development of children from different socio-economic backgrounds, during the first three years of their life, in relation to the duration of maternal vocalizations and to the number of toys available to the child in his/her environment. A total of 209 mother–child dyads participated in the study. The sample was divided in three groups of mothers: 65 teenage mothers (aged 14–19 yrs), 91 mothers of low socioeconomic status (LSES; aged 20–37 yrs), and 53 mothers of higher socioeconomic status (HSES; aged 22–37 yrs). Results showed that children of teenage mothers and children of LSES mothers had a language development and a cognitive development inferior to those of children of HSES mothers. The duration of maternal vocalization at 6 and at 18 mo of age was related to measures of child development, particularly to child language development at 18 and 24 mo. Furthermore, the number of linguistic and social toys in the child's environment was correlated with some measures of language and cognitive development. Variability in children's language and cognitive development is related to environmental factors which seem more significant at certain times than others in the child's development. (PsycINFO Database Record (c) 2010 APA, all rights reserved)