Cultural background can influence cognition, including executive functions (EFs), abilities that encompass skills responsible for self-regulation of thoughts and behavior. The seminal unity and diversity model of EFs proposes the existence, in adulthood, of at least three correlated but separable EF latent (shared variance in more than one…

This study aimed to analyze whether judo experience, somatic maturation, growth, and physical capacities discriminate young judo athletes from different competitive levels (state and national). Sixty-six young male judo athletes (36 from state and 30 from national level) participated in this study, divided from the annual competitive season. The…

The development of implicit and explicit racial attitudes were investigated in 542 White, Pardo, and Black Brazilian children and adolescents (aged 6 to 14) from 2 different regional contexts that vary dramatically in their racial diversity, Bahia (BA) and Rio Grande do Sul (RS). Results revealed the pervasive presence of race biases favoring…

A research gap exists with regard to the analysis of school children and adolescents' awareness on environmental issues. Current investigation analyzes data of 240 children and adolescents, aged between 8 and 14 years, within different school contexts in the mid-southern region of Brazil, on their knowledge level and moral judgment on solid…

Background: Sedentary behavior (SB) is related to unhealthy outcomes and is performed in many contexts, including school. The aim of this study was to identify sociodemographic, biological, and psychosocial correlates of SB performed at school in a sample of adolescents. Methods: Adolescents provided information regarding sex, age, socioeconomic…

Research points to the importance of sociocultural and developmental experiences in understanding children's social supports. The present study examines qualitative themes about children's social supports, derived from a multicountry study of 604 school-aged children (ages 4-19 years). Using the ecomap (a child-generated paper-and-pencil drawing…

This paper evaluates the influence of the classmates' age on individual academic achievement. The identification strategy explores a mechanism for the division of classes based on age homogeneity, with cutoff value determined by the Brazilian law of age at school entry. Fuzzy regression discontinuity estimates a local average treatment effect of…

The purpose of this study was to investigate the exchange of disfluencies from function words to content words with age in Brazilian Portuguese speakers who do and do not stutter. Ninety stuttering individuals and 90 controls, native speakers of Brazilian Portuguese, were divided into three age groups (children, adolescents and adults). The study…

The objective of this exploratory study is to characterize by means of drawings if the developmental patterns in the graphic representation of organ and organ systems progresses related to age of participants. Secondly, whether there is an integration of sex organs into the internal body image. The drawings representing the inside of the body in…

The Speech Fluency Profile of fluent adolescent speakers of Brazilian Portuguese, were examined with respect to gender and neurolinguistic variations. Speech samples of 130 male and female adolescents, aged between 12;0 and 17;11 years were gathered. They were analysed according to type of speech disruption; speech rate; and frequency of speech…

Examined correlates of prosocial moral reasoning (PMR) in two studies. Study one investigated differences in PMR in Brazilian children and adolescents and U.S. adolescents. Study two examined relations between PMR and prosocial behaviors and gender role orientations of Brazilian adolescents. Age and gender differences in PMR were similar for…

This study investigated attitudes towards peace, war and violence in students from five countries: Brazil, Chile, Germany, Portugal, and the USA. The total sample consisted of 171 male and female adolescents and adults. An 11-item questionnaire about peace, war and violence was developed. The data were submitted to content analysis by groups of…

A representative sample of 7-14-year-old young people in southeast Brazil (N=1251) was assessed using standardized parent and youth interviews, thereby identifying an "at-risk" group of young people who met one or more DSM-IV criteria for anorexia and/or bulimia nervosa. These young people were compared with an age and gender matched…

Studied the sociocultural context in which Brazilian children acquire and use everyday mathematics in terms of currency use. Participants were 105 children, ages 4 to 11, and their parents. Found decreased use of currency with increasing age. Children also used currency to aid their problem solving and progressed from global estimates to the…