Four studies are offered from a Piagetian perspective on providing children with an optimal microcomputer environment. Guidelines stress the importance of flexibility, and a hierarchical software environment. (CL)

Discusses the use of feedback from students and the analysis of students' error patterns to understand why students develop misconceptions in mathematics. Looks at learning vis-a-vis the abstract nature of mathematics and the students' cognitive development. (MDH)

Rehabilitates teaching techniques that exploit both the meaning-driven and form-focused potential of reformulation and reconstruction tasks in English-as-a-Second-Language classes. Argues that the potential for focusing learners' attention on form has received little attention in instruction models. (30 references) (Author/CK)

The effects of modeling and corrective feedback on conceptual rule acquisition and retention were studied with a total of 48 3- and 4-year-old children. Equal numbers of children from each age group were randomly assigned to one of four training groups: modeling, corrective feedback, modeling and corrective feedback, and a no modeling/no…

The effects of live and symbolic modeling on the conservation of equalities and inequalities were studied with items spanning three stimulus dimensions (length, number, and two dimensional space). A total of 48 kindergarten children, who had failed to conserve on any equality items in baseline measures, were randomly assigned, in equal groups, to…

This collection of abstracts is part of a continuing series providing information on recent doctoral dissertations. The 28 titles deal with a variety of topics, including the following: (1) prekindergarten screening and first grade reading achievement; (2) the influence of the instructional environment on children's acquisition of reading; (3)…