For decades, scholars have examined how children first recognize emotional facial expressions. This research has found that infants younger than 10 months can discriminate negative, within-valence facial expressions in looking time tasks, and children older than 24 months struggle to categorize these expressions in labeling and free-sort tasks.…

Comprehensive understanding of complex biological systems necessitates the use of computational models because they facilitate visualisation and interrogation of system dynamics and data-driven analysis. Computational model-based (CMB) activities have demonstrated effectiveness in improving students' understanding and their ability to use and…

Forgiveness has received widespread attention among psychologists from social, personality, clinical, developmental, and organizational perspectives alike. Despite great progress, the forgiveness literature has witnessed few attempts at empirical integration. Toward this end, we meta-analyze results from 175 studies and 26,006 participants to…

Background: Adolescence may be a crucial period for developing obesity and associated mental health problems. This study examined the relationship of weight status on body image, eating behavior, and depressive symptoms in youth. Methods: A survey was conducted on 1490 youth attending grades 7-12. Participants completed questionnaires on body…

To understand the co-occurrence of multiple types of violence, the authors developed a behavioral typology based on self-reports of suicidal behaviors, physical violence, and psychological abuse. Using a sample of dating adolescents from a high-risk school district, they identified five clusters of behaviors among the 1,653 students who reported…

It is generally accepted that Attention-Deficit/Hyperactivity Disorder (ADHD) results from a dysfunction of the central nervous system, which has led to a commonly held belief that environmental factors play little role in the behavioural problems of children identified as having ADHD. Therefore, the two studies reported in this article…

This paper reports the results of developing and evaluating a classification of 315 arrested youth processed at the Hillsborough County Juvenile Assessment Center from September 1, 1994 to January 31, 1998. Youth were characterized as physically or sexually abused if they reported abuse or if they had been referred to juvenile court for abuse.…

The beneficial role that leisure can play in the lives of older persons is increasingly recognized by gerontologists and leisure service specialists. To study the psychological benefits of 18 commonly chosen leisure activities, 1,649 older adults, aged 55-75, responded to 27 paragraphs measuring the psychological benefits of leisure activities,…

Objective: To study associations between comorbid psychopathology and long-term outcomes in a large birth cohort sample from age 8 to early adulthood. Method: The sample included long-term outcome data on 2,556 Finnish boys born in 1981. The aim was to study the impact of early childhood psychopathology types (externalizing versus internalizing…

Assessed through two studies the organization and basis for preschool children's (n=240) and adults' (n=60) categorization of emotions. In one, children and adults chose facial expressions that exemplify emotion categories such as fear, anger, and happiness. In another they grouped emotions differing in arousal level or pleasure-displeasure…

Speech perception outcomes in young children with cochlear implants are affected by a number of variables including the age of implantation, duration of implantation, mode of communication, and the presence of a developmental delay or additional disability. The aim of this study is to examine the association between degree of developmental delay…