What is a gain score?

What is a gain score? The gain score is the difference between the posttest and pretest scores. A positive difference denotes a positive gain in performance, whereas a negative score suggests a decline in performance. A one-way ANOVA can be used to determine whether gains in student performance differ between the two methods of instruction.

The gain score is the difference between the posttest and pretest scores. A positive difference denotes a positive gain in performance, whereas a negative score suggests a decline in performance. A one-way ANOVA can be used to determine whether gains in student performance differ between the two methods of instruction.