Evidence from twin studies points to substantial environmental influences on intelligence, but the specifics of this influence are unclear. This study examined one developmental process that potentially causes intelligence differences: learning to read. In 1,890 twin pairs tested at 7, 9, 10, 12, and 16 years, a cross-lagged…

In the summer of 1899, [John] Dewey gave two series of talks at Honolulu High School on Tuesday and Friday evenings from 8:00 to 10:00. The first set of five lectures was entitled "The Life of the Child;" the second set, "Movements in Nineteenth Century Thought." The first talk of the lecture series was delivered on the evening…

Investigates the development sequence of children's comprehension of riddles. In Study I riddles and jokes were collected and classified from children of grades 1 through 10. In Study II, students of grades 1, 3, 6, 10, and college were given selected riddles from three categories determined in Study I to test the predicted comprehension sequence.…

Discusses the emotional and intellectual needs of adolescents and suggests that a testing program should address itself to the developmental needs of students and to the contributing environment. For example, testing could involve both an oral approach and an audiovisual component. (KC)

Reports a two-year longitudinal study of 55 adolescents and young adults who were divided into three groups and given Reflective Judgment Interviews and the Concept Mastery Test to investigate sequentiality of reflective judgment stages. Results indicate support for seven hypothesized shifts in epistemic assumptions over time.(Author/RH)

The development of formal operations in normal adolescents is briefly examined, and a discussion of the development of exceptional adolescents focuses on the following exceptionalities: retardation, blindness, deafness, and giftedness. Some directions for future research are considered. (DLS)

From investigations of cognitive development, intellectual ability, and learning strategies, representative examples of research are used to highlight dilemmas which attend the use of the terms "stages,""levels,""styles," and "strategies" to describe different aspects of human thinking and learning, especially in adolescents and young adults.…

Finds that various aspects of formal reasoning correlated significantly with mean t-unit lengths written by high school freshman boys, but not by freshman girls. Suggests that the reasoning tasks may have been biased against females. (RL)

In order to construct a plan drawing test for emotionally disturbed children, 1,250 children from 6 to 15 years old were asked to draw plans of their houses. Forty items in this cross-sectional sample illustrate a regular and rapid increase with age from the purely vertical pictures of houses at 6 years to the mainly horizontal representations at…

Two hundred Honolulu-area students from the fourth, fifth, eighth, and ninth grades participated in a study that examined the variables effects of five selected factors (developmental level, sex, reading ability, adult intervention, and variation in film content/form) on the ability of two age groups (nine and ten year old children and thirteen…

This book describes the Reflective Judgment Model (RJM) and provides a comprehensive review of the research on it and the Reflective Judgment Interview (RJI). Chapter 1 defines reflective judgment as an often neglected aspect of critical thinking. Chapter 2 discusses stage-related assumptions that underlie RJM and relates RJM to current work in…

A cognitive-based system of analysis of spoken discourse was designed to provide details about the way pupils think and talk about issues arising from prose material. Written and spoken responses were analyzed to examine the effects of intellectual ability, differences in the stimulus passage, and prior small group discussion. (Note: Page…

This monograph provides a detailed description of the child about whom and for whom the activities of the elementary school industrial arts program are directed and of the role of industrial arts in the elementary school curriculum. The first section is a detailed description of the child from age three to thirteen and includes general physical…

Adolescents, ages 11-12 and 13-14, were tested for maturity of judgment about stability-change situations and about time perspective. (CP)

The second in a three-volume series of childcare books developed by the American Academy of Pediatrics and Feeling Fine Programs, this reference book addresses medical and parenting concerns related to raising an adolescent. The book provides scientific information and advice on how to promote the physical, emotional, cognitive, and psychological…