Objective: Time reproduction is deficient in children with attention-deficit/hyperactivity disorder (ADHD). Whether this deficit is familial and could therefore serve as a candidate endophenotype has not been previously investigated. It is unknown whether timing deficits are also measurable in adolescent children with ADHD and nonaffected…

Background: Most diagnostic nomenclatures do not allow for the concurrent diagnosis of autism and attention-deficit/hyperactivity disorder (ADHD). Clinic-based studies suggest autistic symptoms are common in children with ADHD, but such studies are prone to referral bias. This study assesses whether children with ADHD selected from the general…

Numerous studies have consistently found negative effects of sibship size on educational outcomes. Three main explanations of these effects have been offered in the literature: (1) the dilution of family resources, (2) a changing intellectual environment in the family for each succeeding sibling, and (3) unobserved selectivity at the family level.…

This study examined the similarity among 45 sibling pairs in the third through fifth grade, in their social and academic adaptation to the school setting as evaluated by multi-agent and multi-method assessment of adjustment. Measurements included teacher ratings and rankings of academic skills, social behavior, and peer acceptance; peer…

Questioned 838 aging mothers of children with disabilities to describe the functional and affective relationships characterizing disabled and nondisabled siblings. Mothers reported that nondisabled offspring provided little functional assistance to their disabled siblings but that affective relationships between their children were characterized…

A longitudinal study of conflict management among siblings found that children's use of other-oriented statements emerged between 33 and 47 months of age, and that children used other-oriented arguments with their friends more often than with their mothers or siblings. Further, at 33 months, children used more reasoning during conflicts when not…

Analyzed strategies used by older siblings to teach school-related knowledge and skills to a kindergartner in a Puerto Rican home, comparing these strategies to those used by the child's bilingual kindergarten teacher. Found that siblings taught within a context of learning and togetherness established by the parents and grounded in Latino…

This study investigated both the quality of sibling relationships and the psychological adjustment siblings experienced across two groups: siblings of children who are deaf or hard of hearing compared to siblings of children with no disability. Twenty-four siblings of children with hearing loss and 24 siblings of children without a disability…

Using a mixed design this study explored physical activity in children with visual impairments from a family perspective. Quantitative findings revealed varied amounts of physical activity; younger children were more active than older participants. Further, parents were involved in moderate to vigorous physical activity 0% to 21% of the time when…

The purpose of the present study was to investigate the contributions of several social cognitive career theory (SCCT) factors in predicting the career aspirations of a group of high school students living in the central part of rural Appalachia. Sixty-three high school students completed measures assessing their vocational/educational…

The relationships among communication, modeling, body image dissatisfaction, and maladaptive eating attitudes and behaviors in preadolescent girls were investigated in a cross-sectional study of 69 girls in fourth through sixth grade and their mothers. Participants completed questionnaires assessing familial and peer influences, body image…

This volume in the Applied Developmental Psychology Series consists of a collection of papers on current sibling research and theory. Prominent researchers and academicians in developmental psychology present reports on aspects of sibling relations in an effort to better understand individual and family growth. These scholars have dealt with…

The research described in this article addressed the question of why siblings commonly have different developmental outcomes despite their common beginnings. The studies analyzed behavioral development, especially through examination of deviant behaviors and intellectual development, by tracing siblings' different life histories. The work is based…

This study investigated sibling interaction patterns in middle childhood as predictors of adjustment outcomes in males during adolescence and early adulthood using a social interactional perspective. It was theorized that negative interaction during middle childhood with siblings and parents would be the most powerful predictor of adjustment in…

The genocide in Rwanda has resulted in that country having many child-headed households. This unusual phenomenon has set Rwanda apart from its neighboring countries. This book of photographic portraits and stories of Rwandan children and adolescents in families living without adult support or supervision conveys the complexity and diversity of…