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Direct linkRyabov, Igor – Youth & Society, 2018
The present study used nationally representative data from the U.S. Panel Study of Income Dynamics (PSID) merged with census-track data from the American Community Survey (ACS) to model race-ethnic disparities in overweight, obesity, and obesity-related disease among children and adolescents as a function of neighborhood race-ethnic segregation,…
Descriptors: Adolescents, Obesity, Racial Differences, Ethnicity
Download full textHuang, William C. W.; Lin, Yi-MeiJoy; Chiu, Ching Che J.; Chiu, Chia-Huei; Chang, Fu-Sheng – Higher Education Studies, 2017
Purpose: This study was to investigate whether there is an age dependent effect on the association between ADIPPOR1 SNP and hypertriglyceridemia for each gender. Materials and Methods: 116 individuals aged 20 and above who claimed to be healthy were enrolled and grouped into male and female populations. Blood samples were taken to determine…
Descriptors: Gender Differences, Age Differences, Genetics, Correlation
Lyons, Michael J.; Panizzon, Matthew S.; Liu, Weijian; McKenzie, Ruth; Bluestone, Noah J.; Grant, Michael D.; Franz, Carol E.; Vuoksimaa, Eero P.; Toomey, Rosemary; Jacobson, Kristen C.; Reynolds, Chandra A.; Kremen, William S.; Xian, Hong – Developmental Psychology, 2017
In this longitudinal study we examined the stability of general cognitive ability (GCA), as well as heterogeneity and genetic and environmental influences underlying individual differences in change. We investigated GCA from young adulthood through late midlife in 1,288 Vietnam Era Twin Study of Aging participants at ages ~20, ~56, and ~62 years.…
Descriptors: Twins, Genetics, Longitudinal Studies, Correlation
Tillmann, J.; Ashwood, K.; Absoud, M.; Bölte, S.; Bonnet-Brilhault, F.; Buitelaar, J. K.; Calderoni, S.; Calvo, R.; Canal-Bedia, R.; Canitano, R.; De Bildt, A.; Gomot, M.; Hoekstra, P. J.; Kaale, A.; McConachie, H.; Murphy, D. G.; Narzisi, A.; Oosterling, I.; Pejovic-Milovancevic, M.; Persico, A. M.; Puig, O.; Roeyers, H.; Rommelse, N.; Sacco, R.; Scandurra, V.; Stanfield, A. C.; Zander, E.; Charman, T. – Journal of Autism and Developmental Disorders, 2018
Research on sex-related differences in Autism Spectrum Disorder (ASD) has been impeded by small samples. We pooled 28 datasets from 18 sites across nine European countries to examine sex differences in the ASD phenotype on the ADI-R (376 females, 1763 males) and ADOS (233 females, 1187 males). On the ADI-R, early childhood restricted and…
Descriptors: Gender Differences, Age Differences, Diagnostic Tests, Observation
Fine, Adam; Mahler, Alissa; Simmons, Cortney; Chen, Chuansheng; Moyzis, Robert; Cauffman, Elizabeth – Developmental Psychology, 2016
Both environmental factors and genetic variation, particularly in genes responsible for the dopaminergic system such as "DRD4," "DRD2," and "DAT1" ("SLC6A3"), affect adolescent delinquency. The school context, despite its developmental importance, has been overlooked in gene-environment research. Using data…
Descriptors: Genetics, Student School Relationship, Delinquency, Adolescents
Frazier-Wood, Alexis C.; Saudino, Kimberly J. – Developmental Psychology, 2017
The observation that children's activity level (AL) differs between novel and familiar situations is well established. What influences individual differences in how AL is different across these situations is less well understood. Drawing on animal literature, which links rats' AL when 1st placed in a novel setting with novelty seeking phenotypes,…
Descriptors: Shyness, Physical Activity Level, Novelty (Stimulus Dimension), Individual Differences
Nadeem, Erum; Waterman, Jill; Foster, Jared; Paczkowski, Emilie; Belin, Thomas R.; Miranda, Jeanne – Journal of Emotional and Behavioral Disorders, 2017
This exploratory longitudinal study examined behavioral outcomes and parenting stress among families with children adopted from foster care, taking into account environmental and biological risk factors. Child internalizing and externalizing problems and parenting stress were assessed in 82 adopted children and their families at 2 months…
Descriptors: At Risk Persons, Mental Health, Psychological Patterns, Child Rearing
Smith, Lee; van Jaarsveld, Cornelia H. M.; Llewellyn, Clare H.; Fildes, Alison; López Sánchez, Guillermo Felipe; Wardle, Jane; Fisher, Abigail – Research Quarterly for Exercise and Sport, 2017
Purpose: Variability in the timing of infant developmental milestones is poorly understood. We used a twin analysis to estimate genetic and environmental influences on motor development and activity levels in infancy. Method: Data were from the Gemini Study, a twin birth cohort of 2,402 families with twins born in the United Kingdom in 2007.…
Descriptors: Genetics, Environmental Influences, Child Development, Twins
Markovitch, Noam; Luyckx, Koen; Klimstra, Theo; Abramson, Lior; Knafo-Noam, Ariel – Developmental Psychology, 2017
Identity formation is a key developmental task in adolescence. Although many adolescents in modern societies face issues of identity, there are substantial individual differences in identity exploration and commitment. Little is known about the origins of these individual differences. The current study investigated the genetic and environmental…
Descriptors: Early Adolescents, Identification (Psychology), Adolescent Development, Genetics
Adams, Alison E. M.; Garcia, Jocelyn; Traustadóttir, Tinna – CBE - Life Sciences Education, 2016
Two sections of Genetics and Evolution were taught by one instructor. One group (the fully flipped section) had the entire class period devoted to active learning (with background material that had to be watched before class), and the other group (the partially flipped section) had just a portion of class time spent on active learning (with the…
Descriptors: Science Instruction, Quasiexperimental Design, Undergraduate Study, College Science
Aurah, Catherine – Journal of Education and Practice, 2017
The aim of this study was to explore the relationships between science self-efficacy, gender, and academic achievement in genetics among form four (12th grade) students in Kenya and to investiPSTe gender differences in science self-efficacy and academic achievement in genetics. A total of 2,139 students responded to a science self-efficacy…
Descriptors: Foreign Countries, High School Students, Self Efficacy, Grade 12
Rubin, David H.; Althoff, Robert R.; Ehli, Erik A.; Davies, Gareth E.; Rettew, David C.; Crehan, Eileen T.; Walkup, John T.; Hudziak, James J. – Journal of Child Psychology and Psychiatry, 2013
Background: Social withdrawal is a core neuropsychiatric phenomenon in developmental psychopathology. Its presence predicts psychopathology across many domains, including depression, psychosis, autism, anxiety, and suicide. Withdrawn behavior is highly heritable, persistent, and characteristically worsens without intervention. To date, few studies…
Descriptors: Genetics, Withdrawal (Psychology), Psychopathology, Prediction
Tucker-Drob, Elliot M.; Reynolds, Chandra A.; Finkel, Deborah; Pedersen, Nancy L. – Developmental Psychology, 2014
Aging-related declines occur in many different domains of cognitive function during middle and late adulthood. However, whether a global dimension underlies individual differences in changes in different domains of cognition and whether global genetic influences on cognitive changes exist is less clear. We addressed these issues by applying…
Descriptors: Genetics, Environmental Influences, Aging (Individuals), Cognitive Ability
Gagne, Jeffrey R.; Saudino, Kimberly J. – Developmental Psychology, 2016
Parent- and lab-based observer ratings were employed to examine genetic and environmental influences on continuity and change in inhibitory control (IC) in over 300 twin-pairs assessed longitudinally at 2 and 3 years of age. Genetic influences accounted for approximately 60% of the variance in parent-rated IC at both ages. Although many of the…
Descriptors: Genetics, Twins, Young Children, Inhibition
Mbajiorgu, Ngozika; Anidu, Innocent – International Journal of Science Education, 2017
Senior secondary school students (N = 360), 14- to 18-year-olds, from the Igbo culture of eastern Nigeria responded to a questionnaire requiring them to give causal explanations of biologically adaptive changes in humans, other animals and plants. A student subsample (n = 36) was, subsequently, selected for in-depth interviews. Significant…
Descriptors: Biological Sciences, Human Body, Secondary School Students, Questionnaires
