Main reasons for not using recently developed curriculum materials in elementary schools include misunderstandings about their psychological bases, and lack of trained teachers and curriculum coordinators in school districts. Efforts should be directed to improve these conditions. (PS)

This study investigated the effects of the addition of a supplemental science program to existing curricula in selected elementary schools. A supplemental science program, the Elementary Science Study (ESS), was introduced to the treatment group (four of eight classes randomly selected, with a total population of 189 sixth-grade students) and a…

This monograph presents an updating of a report made in 1969 which led to the development of the Del Mod System. It is an assessment of science education in Delaware. Data presented were collected on site in the schools. Assessment of the science facilities, curriculum, and attitudes was made. Science programs in use in 1974 in the elementary,…