The main purpose of this study was to determine the relative effectiveness of the planetarium in attaining the perceived goals of planetarium educators. The goal areas for the 986 second-grade children involved in the study were low level Cognitive or Knowledge, Comprehension, and Application; Affective or Receiving, Responding, and Valuing; and…

Reported is a study to determine the effectiveness of televised instruction to aid in changing attitude toward problem solving. A total of 153 students, in grades 5 and 6, participated in the experimental and control groups in typical rural and urban schools. A 14-program series, The Televised Learning Package or Challenge, was used with the…

Reported is a study of the effects of using the counterintuitive event in science teaching on subject-matter achievement and subject-matter retention of upper-elementary school students. Two separate units of instruction based on the demonstration-discussion method were designed for the study. A unit of instruction was designed for the control…

This study was conducted to determine if fifth-grade students can significantly improve their use of logical analysis through a suitable instructional unit taught under ordinary classroom conditions. Concrete teaching materials were developed to familiarize students with the distinction between the valid inference patters--Modus Ponendo Ponens and…

Reported is an evaluation of the Child-Structured Learning in Science (CSLS) Curriculum using the intellectual models of Piaget and Guilford. A cognitive test instrument was designed to measure cognition of figural classes (CFC), convergent production of figural classes (NFC), evaluation of figural classes (EFC), cognition of figural relations…

The two purposes of this study were: (1) to identify those factors that significantly affect the use of the science process skill of prediction, and (2) to construct and test a probabilistic equation, based on a competence-performance model of cognitive development that accounts for a child's performance on tasks involving the skill of prediction.…

This study examined the effectiveness of the Science Curriculum Improvement Study (SCIS) materials for visually handicapped children. Fourteen students, ranging in age from 9 to 19 and working in small groups with student teachers, received science instruction using the adapted version of the SCIS program. Control subjects were matched closely on…