Investigations designed to eliminate ambiguities in the Andre and Kulhavy procedure and to investigate the effects of noun modifications and sentence voice in the category clustering of sentences were conducted. Two experiments were carried out; both employed a mixed factorial design and were prepared in dittoed booklets. The Ss were run in…

Infants judged to be at risk for subnormal intellectual growth were randomly assigned to experimental and control groups which varied as to educational curriculum activities. Two types of evidence, group differences and parent-child IQ correlations, demonstrate the importance of early environments in intellectual development. (Author/RD)

Investigates the interaction between the presence or absence of explicit instruction and the variables complexity and morphology/syntax in the acquisition of four second language (L2) structures. Results from computer-controlled posttests confirm the hypothesis that explicit instruction facilitates the acquisition of L2 grammar. (66 references)…

Indicates that utilizing calculators to introduce algebraic concepts in a prealgebra course provides students with a solid foundation for the study of college mathematics. Pedagogical criteria emphasized the difference between exact and approximate results, appropriate use of the calculator in problem solving, the role of estimation in…

In two studies, children's memory of venipuncture or inoculations were compared with memory of less stressful events. In another study, natural variations in children's stress and the effect of short delays were examined. In yet another study, a delay interval of one year was examined. (BB)

To examine the influence of friends on school achievement motivation, each of 118 eighth graders was paired with a close friend to discuss dilemmas concerning achievement motivation or an unrelated topic. Friends' decisions on motivational dilemmas were more similar after discussion than before. Discussions did not cause more extreme decisions.…

The role of elaborative interrogation in children's learning of facts was investigated in 2 experiments involving 211 female and 185 male Canadian fourth through eighth graders. When compared to the facts alone, precise elaborations given by the experimenter, or learner-constructed imagery, elaborative interrogation produced better learning in…

This commentary on EC 605 442, which indicated long-term gains for children with autism who experienced intensive behavioral intervention as preschoolers, questions the magnitude of the student changes and their significance, because of concerns about the representativeness and comparability of the sample group and the failure to measure skills…

There is a body of literature suggesting that involving parents in their children's education is an effective strategy for children at risk of reading failure. In a pre-test/post-test control group design, parents in an experimental group received reading materials and were trained on techniques to stimulate their child during paired reading at…

Biology knowledge and understanding is important not only for the conversion of the loftiest dreams into reality for a better life of individuals but also for preparing secondary pupils for such fields as agriculture, medicine, biotechnology, and genetic engineering. But a recent study has revealed that many aspects of school science (biology…

This study examines the effects of a systematically designed innovation strategy on teachers implementation of a sex education curriculum and its related determinants. A quasi-experimental group design was used to assess the effectiveness of the innovation strategy. Teachers filled in questionnaires on the determinants of curriculum implementation…

The purpose of this study was to investigate the effectiveness of small group discussion on students' conceptual understanding of chemical equilibrium. Students' understanding of chemical equilibrium concepts was measured using the Misconception Identification Test. The test consisted of 30 items and administered as pre-posttests to a total of 81…

This study investigated the effectiveness of a combined museum and classroom intervention project on science learning in low-income children. The focus of the program was on children's content knowledge and concept complexity. Thirty children were in the experimental group. A control group of 18 children visited literacy and social studies…

This paper presents a field experiment examining the effect of drama education on the psychological development of grades 1 and 4 students. The drama curriculum was delivered after school for one day each week for 16 weeks. Students in the experimental group attended drama education classes, whereas students in the control group took part in the…

This study was an investigation of the effects of sequenced Kodaly literacy-based music instruction on the spatial reasoning skills of kindergarten students. Subjects in the pretest-posttest control group design were 54 kindergarten students who were enrolled in three kindergarten classes in a rural elementary community school. Experimental group…