Compares frequencies and styles of questioning strategies used in Modern Biology and Biological Science Curriculum Study--BSCS Green, BSCS Yellow and BSCS Blue secondary school biology textbooks. Findings revealed significant differences between textbooks in terms of number and type of questions used. (CP)

A Biological Sciences Curriculum Study (BSCS) inquiry approach for university general biology laboratory was tested against a well-established commercial program judged to be highly directive. The BSCS was found to be more effective in learning biology laboratory concepts than the commercial program as measured by a laboratory concepts test.…

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)