Providing a comprehensive survey of cutting-edge work on second language learning, this "Handbook," written by a team of leading experts, surveys the nature of second language learning and its implications for teaching. Prominent theories and methods from linguistics, psycholinguistics, processing-based, and cognitive approaches are…

This study examined qualitative developments in 96 school-aged children's expressible knowledge of 434 words (selected to represent dictionary contents). Developmental changes were found in proportions of high quality definitions, semantic and syntactic form, effects of parts of speech, morphological composition, and lexical organization. Results…

In order to evaluate possibilities of fitting myoelectrically controlled prosthetic arms on infants, this study examined whether 32 infants (1-6 months) could learn to control environmental contingencies by means of contracting the forearm flexor muscle group. Results indicated that older subjects (age greater than 104 days) demonstrated learning,…

Reports on a study of young children's abilities to discriminate between two chords played as the accompaniment of a melody and played alone with no melody. Finds that age, type of stimulus, and the interaction of these two variables affected children's performance significantly. (CFR)

In this study 27 third graders and 27 sixth graders were given varying degrees of practice in sorting salient, categorized word lists. The purpose of the practice conditions was to encourage different levels of grouping strategies in a subsequent free recall task using similar categorized materials. Children in a Materials Only condition were…

Reports on a study of 128 talented singers, ages 8-11, to determine the effects of age, sex and melodic/harmonic patterns on pitch-matching skills of children. Finds no significant differences between age and sex groups and significant differences among pitch-matching tasks. Suggests a task hierarchy for children's part-singing. (CFR)

The interaction effect between two process skills (application and interpretation) and two task contexts (scientific and everyday) was investigated. Korean students (n=255), ages 13 and 15, were the subjects of this study. Results reveal that there was an apparent interaction between process skills and contexts. Sex-skill interaction and…

The study developed an inventory of nonacademic employment competencies and subcompetencies for students with visual impairments. Following validation and rank ordering of 32 competencies, an instrument with 464 subcompetencies was developed and administered to 53 students, ages 3-18. Significant differences were found on 13 competencies based on…

Presents a study of the acquisition and development of information coordination ability. Examines students' composition of texts comparing two cultural groups after reading either one text describing both or a separate text on each. Concludes that older students used more complex information integration levels, whereas all subjects performed…