In an Effort to Determine the Most Effective Way to Teach

Multiple Choice

In an effort to determine the most effective way to teach safety principles to a group of employees, four different methods were tried. Some employees were given programmed instruction booklets and worked through the course at their own pace. Other employees attended lectures. A third group watched a television presentation, and a fourth group was divided into small discussion groups. A high of 10 was possible. Samples of five tests were selected from each group. The test grade results were: At the 0.01 level, what is the critical value?

A) 1.00
B) 1.96
C) 3.24
D) 5.29