Compares the effectiveness of an Extended Discretion (ED) laboratory approach (exercising independent judgment) to a BSCS Green Version laboratory program. Results from 10 classes taught by five teachers, each teaching one experimental and one control group, favor the ED approach on a number of measures. (Author/JN)

The Learning Environment Inventory (LEI) was administered to tenth-grade biology classes (N=572) in urban and kibbutz district schools in Israel. Findings indicated that seven out of nine scales of the LEI yield significant differences in scores for urban and kibbutz samples indicating a more positive learning climate in the kibbutz. (Author/DS)