Developmental Psychology最新文献

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Patterns of childhood maltreatment and maternal substance use disorder on the development of emerging adult offspring substance use. 童年虐待和母体药物使用障碍对成年后代药物使用发展的影响模式。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-15 DOI: 10.1037/dev0001805
Andrew J Ross, Justin Russotti, Victoria M Atzl, Sheree L Toth, Dante Cicchetti, Elizabeth D Handley
{"title":"Patterns of childhood maltreatment and maternal substance use disorder on the development of emerging adult offspring substance use.","authors":"Andrew J Ross, Justin Russotti, Victoria M Atzl, Sheree L Toth, Dante Cicchetti, Elizabeth D Handley","doi":"10.1037/dev0001805","DOIUrl":"https://doi.org/10.1037/dev0001805","url":null,"abstract":"<p><p>Exposure to child maltreatment and maternal substance use disorder represent two highly consequential and co-occurring experiences of family-level adversity for the development of concerning substance use behaviors among offspring. The present study uses latent class analysis to identify how characteristics of childhood maltreatment and maternal substance use disorder naturally cluster. Further, this study investigates how distinct patterns of maltreatment and maternal substance use differentially predict emerging adult substance use in offspring. Participants (<i>N</i> = 405) were drawn from a longitudinal follow-up study of emerging adults who participated in a research summer camp program as children. Wave 1 of the study included 674 school-aged children with and without maltreatment histories, all of whom experienced low socioeconomic status. Patterns of child maltreatment experiences, based on coded Child Protective Services record data, and maternal substance use behaviors, per a diagnostic interview, were used to predict Wave 2 (emerging adulthood) substance use. Results indicated that children who were exposed to a pattern of multitype maltreatment and multitype maternal substance dependence, relative to those exposed to multitype maltreatment alone, reported greater alcohol dependence symptoms during emerging adulthood. Additionally, these same individuals reported greater past-year hard liquor consumption relative to those who experienced chronic, multitype maltreatment and maternal alcohol dependence. These findings highlight how a pattern of maternal polysubstance use and multitype maltreatment is particularly consequential for the intergenerational transmission of substance use behaviors. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141989172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Parent psychological distress and beliefs about nurturing care: Associations with parent investments and early child development in Ethiopia. 父母的心理困扰和对养育关怀的信念:埃塞俄比亚父母投资与儿童早期发展的关系。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-15 DOI: 10.1037/dev0001820
Noelle M Suntheimer, Soo Gyeong Ju, Dana Charles McCoy, Sharon Wolf, Sintayehu Abate, Alemayehu Mekonnen, Tamrat Zelalem Teshome, Tesfa Demlew
{"title":"Parent psychological distress and beliefs about nurturing care: Associations with parent investments and early child development in Ethiopia.","authors":"Noelle M Suntheimer, Soo Gyeong Ju, Dana Charles McCoy, Sharon Wolf, Sintayehu Abate, Alemayehu Mekonnen, Tamrat Zelalem Teshome, Tesfa Demlew","doi":"10.1037/dev0001820","DOIUrl":"https://doi.org/10.1037/dev0001820","url":null,"abstract":"<p><p>Parental engagement in stimulating activities and support in both formal and informal learning environments are important for early childhood development. However, little is known about how parental mental health and beliefs about early childhood development shape such investments. We draw on a sample of young children and their primary caregiver from Addis Ababa, Ethiopia (<i>N</i> = 3,000; <i>M</i><sub>age</sub> = 34.1 months; 48.5% girls) and examine how parental distress and beliefs predict investments in learning at home and how these, in turn, predict children's development across multiple domains. We examine these associations separately for infants/toddlers (0-35 months) and preschool-aged children (36-72 months), for whom enrollment in preprimary school is also included as an additional form of parent investment. Results showed different patterns of associations between the two age groups. Specifically, for infants and toddlers, parental distress and beliefs did not predict parent investments or child outcomes, but both access to learning materials and cognitive stimulation at home positively predicted child development in every domain. For preschool-aged children, parental beliefs positively predicted hours in preschool, and parental distress negatively predicted the availability of learning materials and cognitive stimulation at home; these three forms of parent investments each positively predicted children's outcomes across all developmental domains. Collectively, these findings deepen our understanding of parent factors that shape children's formal and informal learning experiences and point to several important areas for future research to more fully understand early childhood development in low-resource contexts. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141989171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sibling disclosure and adolescents' coping from before to during the COVID-19 pandemic: A longitudinal study. 从 COVID-19 大流行之前到期间,兄弟姐妹的披露与青少年的应对措施:纵向研究。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-12 DOI: 10.1037/dev0001827
Weimiao Zhou, Shawn D Whiteman, Aryn M Dotterer, Leslie Page, Sarfaraz Serang, Sahitya Maiya, Jennifer L Maggs, Brian C Kelly, Sarah A Mustillo
{"title":"Sibling disclosure and adolescents' coping from before to during the COVID-19 pandemic: A longitudinal study.","authors":"Weimiao Zhou, Shawn D Whiteman, Aryn M Dotterer, Leslie Page, Sarfaraz Serang, Sahitya Maiya, Jennifer L Maggs, Brian C Kelly, Sarah A Mustillo","doi":"10.1037/dev0001827","DOIUrl":"https://doi.org/10.1037/dev0001827","url":null,"abstract":"<p><p>The extraordinary disruptions associated with the COVID-19 pandemic created a unique context to investigate the links between family communication and adolescent adjustment. Given that widespread stay-at-home orders increased time spent in the family setting, the present study examined reciprocal links between older and younger adolescent siblings' disclosure toward each other and concurrent and prospective links between those disclosures and their own and their siblings' coping from before to during the early stages of COVID-19 pandemic. Participants were two adolescent-aged siblings (older siblings: 51% female, <i>M</i> = 15.67 years; younger siblings: 48% female, <i>M</i> = 13.14 years) and one parent (85% mothers, <i>M</i> = 45.15 years) from 682 families (<i>N</i> = 2,046) in five Midwestern states in the United States. Participants completed web-based assessments on three occasions: Time 1 (March 2019-February 2020), Time 2 (May 2020-June 2020), and Time 3 (July 2020-February 2021). Using structural equation modeling, results revealed that the prospective reciprocal linkages between older and younger siblings' disclosures were often moderated by the gender composition of the sibling dyad. Further, older and younger siblings' disclosures were both concurrently associated with their own coping during the pandemic but not prospectively associated with later perceived coping. There were mixed findings regarding the actor and partner associations between siblings' disclosure and adolescents' perceived coping. Results emphasize the complexity and bidirectional nature of sibling disclosure and the potential protective effects of disclosing to siblings in the context of the COVID-19 pandemic. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141972040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Links between early and concurrent attachment and reflective functioning in young adulthood. 早期和同期依恋与青年期反思功能之间的联系。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-12 DOI: 10.1037/dev0001790
Aino Elina Sirparanta, Raphaële Miljkovitch, Magdalena A Zdebik, Katherine Pascuzzo, Julia Garon-Bissonnette, Ellen Moss
{"title":"Links between early and concurrent attachment and reflective functioning in young adulthood.","authors":"Aino Elina Sirparanta, Raphaële Miljkovitch, Magdalena A Zdebik, Katherine Pascuzzo, Julia Garon-Bissonnette, Ellen Moss","doi":"10.1037/dev0001790","DOIUrl":"https://doi.org/10.1037/dev0001790","url":null,"abstract":"<p><p>Links between reflective functioning (RF; the ability to conceive of mental states and to interpret human behavior accordingly) and concurrent attachment security have been found in both childhood and adulthood. However, the respective contributions of early and concurrent attachment security in adult RF remain unknown. This study examines the contributions of attachment security to the mother in early childhood and of concurrent attachment security to each parent in young adults' RF. Eighty-one low-risk participants (49 girls and 32 boys) from average income families took part in this longitudinal study. Attachment security was assessed at 4 years of age with a composite measure of mother-reported Attachment Q-Sort and observer ratings of the quality of mother-child interactions. At age 23, the Attachment Multiple Model Interview was administered to assess participants' attachment security to each parent. RF was coded from the participants' attachment narratives using the Reflective Functioning Scale. Attachment security to the mother at age 4 was found to be associated with RF in adulthood. Also, an interactive effect between attachment to the mother and attachment to the father in adulthood was related to RF, suggesting that attachment with one parent moderates the effect of attachment with the other parent on RF. These findings emphasize the importance of both early and concurrent attachment security in the capacity to understand mental states in adulthood. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141972121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Naturalistic patterns of sustained attention across early childhood: Developmental profiles and longitudinal associations with executive functions. 幼儿期持续注意力的自然模式:发展概况以及与执行功能的纵向联系。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-12 DOI: 10.1037/dev0001786
Denise M Werchan, Annie Brandes-Aitken, Seulki Ku, Clancy Blair
{"title":"Naturalistic patterns of sustained attention across early childhood: Developmental profiles and longitudinal associations with executive functions.","authors":"Denise M Werchan, Annie Brandes-Aitken, Seulki Ku, Clancy Blair","doi":"10.1037/dev0001786","DOIUrl":"https://doi.org/10.1037/dev0001786","url":null,"abstract":"<p><p>The capacity to sustain attention over time develops rapidly over early childhood and is associated with socioemotional and cognitive outcomes. However, sustained attention has largely been studied in either shared or independent contexts, leading to gaps in our understanding of how trade-offs between sustained attention to shared versus individual targets may predict later outcomes. We examined this question in a longitudinal sample of 1,290 children (49% female, 43% Black), living in predominately rural, low-income regions, using a naturalistic shared picture book reading task. Children's sustained attention to individual relative to shared targets during the book reading task was measured at 24 and 35 months. Using latent profile analysis, we identified four developmental profiles of children's attentional trajectories: three of the profiles differed in the extent that children' attention shifted toward more socially directed relative to individually directed attention; a fourth profile showed atypical decreases in both socially directed and individually directed attention across development. Importantly, heterogeneity in children's attentional profiles were associated with differences in executive functions at 48 months of age. Specifically, children who showed greater relative increases in socially directed attention had higher executive functions performance, whereas children with atypical decreases in attention showed substantial deficits in this domain. These findings reveal distinct longitudinal patterns of sustained attention in naturalistic contexts and show that heterogeneity in these patterns are robust predictors of subsequent executive functions. This person-centered approach provides novel insights into how quantitative and qualitative changes in attention may impact executive functions development and may help identify children at risk for nonnormative trajectories. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141972038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence and characteristics of infants' prosocial helping strategies between 11 and 20 months of age. 11 到 20 个月大婴儿亲社会帮助策略的普遍性和特点。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-12 DOI: 10.1037/dev0001760
Meghan Rose Donohue, Laura Hennefield, Cynthia E Rogers, Deanna M Barch, Joan Luby
{"title":"Prevalence and characteristics of infants' prosocial helping strategies between 11 and 20 months of age.","authors":"Meghan Rose Donohue, Laura Hennefield, Cynthia E Rogers, Deanna M Barch, Joan Luby","doi":"10.1037/dev0001760","DOIUrl":"https://doi.org/10.1037/dev0001760","url":null,"abstract":"<p><p>Although limited research suggests that infants can behave prosocially even before their first birthdays, the prevalence and characteristics of early prosocial behaviors remain unexplored. Indeed, very few studies of prosocial development have included 12-month-old infants or examined how prosociality changes across the second year, and none has assessed individual differences in prosocial strategy use. This study investigated prosocial helping behaviors in a racially and socioeconomically diverse sample of 220 11- to 20-month-olds living in the United States (45.5% female; 61% Black; 67.2% low socioeconomic status). At 12 months (<i>n</i> = 153), > 80% of infants helped an experimenter retrieve out-of-reach items. Modest increases in helping were observed across the second year of life. Individual differences in specific helping strategies were also detected. Infants who helped more by handing an item to an experimenter on one task (rather than placing the item in a target location) also helped more by handing on another task; similar patterns were found with placing. Moreover, the type of strategy was associated with age and sex: older infants and male infants used more placing. The high rates of helping by 12 months of age and the use of individual helping strategies demonstrate that infants have robust prosocial abilities beyond those previously documented. These findings contribute critical information about the typical development of prosocial behaviors in the largest and most racially and socioeconomically diverse sample of infants to date. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141972039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Supplemental Material for Prevalence and Characteristics of Infants’ Prosocial Helping Strategies Between 11 and 20 Months of Age 11 到 20 个月婴儿亲社会帮助策略的普遍性和特征》补充材料
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-08 DOI: 10.1037/dev0001760.supp
{"title":"Supplemental Material for Prevalence and Characteristics of Infants’ Prosocial Helping Strategies Between 11 and 20 Months of Age","authors":"","doi":"10.1037/dev0001760.supp","DOIUrl":"https://doi.org/10.1037/dev0001760.supp","url":null,"abstract":"","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141929142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
When children choose fantastical events in fiction. 当儿童选择小说中的幻想事件时。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-01 Epub Date: 2024-01-18 DOI: 10.1037/dev0001674
Venus Ho, Emily Stonehouse, Ori Friedman
{"title":"When children choose fantastical events in fiction.","authors":"Venus Ho, Emily Stonehouse, Ori Friedman","doi":"10.1037/dev0001674","DOIUrl":"10.1037/dev0001674","url":null,"abstract":"<p><p>Although stories for children often feature supernatural and fantastical events, children themselves often prefer realistic events when choosing what should happen in a story. In two experiments, we investigated whether 3- to 5-year-olds (total <i>N</i> = 240 from diverse backgrounds) might be more likely to include fantastical events in stories about familiar fantasy characters. In Experiment 1, children saw stories about fantasy or real-world characters (e.g., a mermaid or an ordinary woman) and judged whether they would achieve goals using fantastic or realistic methods. Children were more likely to choose fantastic methods for the fantasy characters, and this tendency was more common in older children. In Experiment 2, children were asked yes/no questions about whether characters could use fantastic, realistic, and unusual methods to achieve goals. Children more often affirmed fantastic methods for fantasy than real-world characters. These findings contrast with previous work suggesting children avoid including fantastic events in fiction and suggest that children use precedent and familiarity to decide what can happen in a story. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139485946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developmental paths from parents' bicultural socialization beliefs to emerging adult depressive symptoms in Chinese American families. 美籍华人家庭中从父母的双文化社会化信念到新出现的成人抑郁症状的发展路径。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-01 Epub Date: 2024-07-08 DOI: 10.1037/dev0001766
Albert Y H Lo, Su Yeong Kim, Harold D Grotevant
{"title":"Developmental paths from parents' bicultural socialization beliefs to emerging adult depressive symptoms in Chinese American families.","authors":"Albert Y H Lo, Su Yeong Kim, Harold D Grotevant","doi":"10.1037/dev0001766","DOIUrl":"10.1037/dev0001766","url":null,"abstract":"<p><p>Parents' socialization beliefs have implications for the psychological adjustment of their children through their parenting behaviors; however, such pathways have rarely been established among Chinese American families. The present study examined how Chinese American parents' goals for their children to take on bicultural values and behaviors (i.e., bicultural socialization beliefs) influenced their child's level of depressive symptoms in emerging adulthood through their parenting behaviors and the level of parent-child alienation. Data came from Waves 2 (adolescence) and 3 (emerging adulthood) of a longitudinal study of 444 Chinese American families. Mothers' reports of their bicultural socialization beliefs positively predicted adolescents' reports of mothers' autonomy-supporting behaviors and interdependence-focused shaming behaviors. In addition, there was a significant and negative indirect effect of mothers' bicultural socialization beliefs on emerging adult depressive symptoms through adolescents' reports of mothers' autonomy-supporting behaviors and emerging adults' reports of alienation to their parents. In contrast, there was a significant and positive indirect effect from fathers' reports of their bicultural socialization beliefs to emerging adult depressive symptoms, through emerging adults' reports of alienation only. Findings contribute to our understanding of bicultural processes in Chinese American families and establish that parents' beliefs have significant implications for the psychological adjustment of Chinese American youth. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141560075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Testing theories of the vocabulary spurt with monolingual and bilingual infants. 用单语和双语婴儿测试词汇量突增理论。
IF 3.1 2区 心理学
Developmental Psychology Pub Date : 2024-08-01 Epub Date: 2024-07-08 DOI: 10.1037/dev0001777
Miranda Gómez Díaz, Laia Fibla, Rachel Ka-Ying Tsui, Krista Byers-Heinlein
{"title":"Testing theories of the vocabulary spurt with monolingual and bilingual infants.","authors":"Miranda Gómez Díaz, Laia Fibla, Rachel Ka-Ying Tsui, Krista Byers-Heinlein","doi":"10.1037/dev0001777","DOIUrl":"10.1037/dev0001777","url":null,"abstract":"<p><p>Sometime before their second birthday, many children have a period of rapid expressive vocabulary growth called the vocabulary spurt. Theories of the underlying mechanisms differ: Accumulator models emphasize the accumulation of experience with words over time to yield a spurtlike pattern, while cognitive models attribute the spurt to cognitive changes. To test these theories, English-French monolingual and bilingual children with different exposure to each language were studied. Dense, longitudinal data were analyzed from 45 infants aged 16-30 months, whose expressive vocabulary was measured on a total of 617 occasions in English and/or French. Single-language (English and/or French), concept (number of concepts lexicalized across both languages), and word (sum of both languages) vocabulary scores were computed. Infants' exposure to each language and their exposure balance were measured using a language exposure questionnaire. Logistic curves were fitted to each infant's data to estimate the timing (midpoint) and steepness (slope) of the vocabulary spurt in single-language, concept, and word vocabularies. Seventy-six percent of infants showed a spurt in at least one vocabulary type, and bilinguals were less likely to show one in their nondominant than their dominant language. For single-language vocabulary, infants with more exposure to a language had earlier spurts. For combined vocabularies (concept and word), monolinguals and unbalanced bilinguals had earlier and steeper spurts than balanced bilinguals. Results better support the predictions of accumulator models than cognitive theories and show that infants follow different vocabulary acquisition trajectories based on their language background. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":48464,"journal":{"name":"Developmental Psychology","volume":null,"pages":null},"PeriodicalIF":3.1,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141560081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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