To determine the effectiveness of an audio-tutorial technique in vocational agriculture, six treatment schools and six control schools were randomly selected from 48 Iowa high schools qualifying for participation in the study. While each school was provided the same reference material and teaching outline for the 14-day experimental period, the…

An experiment with large and small groups of students in mathematics and language arts. (Editor)

The Class Activities Questionnaire (CAQ) was used to compare a Canadian high school participating in a research project employing an information retrieval system with another not involved in the project. This paper evaluates the validity of the CAQ as a measurement instrument for this study. The CAQ was administered to 1831 students, 806 Science…