It is essential in communicative situations for teachers and students to have comparable percepts. A paucity of information is available on the percepts held by children regarding quantities and intervals of distance, height, weight, time, temperature and volume or on improvement (if any) that occurs as children mature. Teachers cannot be…

In this study, worksheets were adapted from an Elementary Science Study unit, "Batteries and Bulbs," to develop an individualized set of instructional materials on electricity. Research questions were asked regarding relationships of teaching technique (individualized v conventional) to achievement and attitudes, gender, and interactions…

Consolidates information on selected matters reported in two or more separate meta-analyses reported in this issue (SE 533 494-500). Also examines the relationship between results of these meta-analyses and other work of this nature reported in other sources. Indicates high degree of consistency among results of these various meta-analyses.…