Describes the development, evaluation, and use of Laboratory Explorations in Biology" as an integral part of the Mid-continent Regional Educational Laboratory (McREL) Inquiry Role Approach". Student and teacher reactions are described, and an example of student evaluation of peers' achievement is given. (AL)

Reported is a study to determine differences between selected elementary Index, Revised Inquiry Index, percentage of class time spent in pupil experiment Index, Revised Inquiry Index, percentage of class time spend in pupil experiment and time spent in reading and/or extended viewing activities. Audio-tape recordings were made using materials from…

Fifty-nine secondary school physics students were assigned to treatment groups: (1) Project Physics units, (2) Project Physics and verbal learning unit, and (3) a training program in scientific inquiry. Posttest results revealed that, on most aspects of a science inquiry test, treatments 2 and 3 had significantly greater effect on achievement than…

Presented is a methods textbook designed for elementary school teachers to help them improve the teaching of elementary school science. The author has attempted to guide teachers in choosing curriculum to be taught by considering educational objectives, diagnosing learner needs, and then evaluating the success of their teaching in terms of learner…

Reported is a study using tasks described by Piaget and Inhelder to evaluate changes in reasoning ability. The tasks were to evaluate the development of interpropositional logic, i.e., formal operations. The tasks used were validated using a formal operational population. They were administered at the beginning and end of the school year to…

This study investigated the teaching procedures of two groups of science teachers at the elementary school level. One group had received instruction in the Science Curriculum Improvement Study (SCIS) methods which included the inquiry-discovery approach. The second group had recieved no instruction in any "new" approach. SCIS-educated…