Report provides new data concerning children's accuracy as measured by previous studies and clarifies progress of first graders during entire year on difficult single-digit addition and subtraction problems. Discussion focuses on advantages of an adding on interpretation of subtraction and the importance of emphasizing conceptual understanding…

Describes the use of concept mapping (CM) in design, instruction, and assessment related to microbiology lessons prepared for high school students in Israel. Indicates that students utilizing CM displayed an overall, higher achievement gain than students in traditional classes. Recognizes that some teachers did not thoroughly exploit the potential…

More than 1,600 middle school students, including an experimental group exposed to the Biological Science Curriculum Study (BSCS), were administered the Modified Nature of Scientific Knowledge Scale. Results indicate that the students utilizing the traditional science curriculum possessed a significantly better understanding of the testable nature…

Written in Spanish, this guide for the grade 2 career education unit for migrant children focuses on the fields of recreation and transportation. Like the English version, the guide covers 11 jobs--travel agent, tour guide, camp counselor, coach, usher, school bus driver, airplane pilot, trucker, mover, railroad conductor, and astronaut. Student…

A unit designed to cover the topic of genetic engineering and its ethical considerations is presented. Students are expected to learn the material while using a debate format. A list of objectives for the unit, the debate format, and the results from an opinion questionnaire are described. (KR)

This manual, which is based on extensive research on cognitive psychology and organizational theory, contains resources for nine workshop sessions designed to help people become creative problem solvers in their workplace and their lives. The materials are based on Bransford and Stein's IDEAL model, according to which successful problem solving…