When a group of individuals is tested in a series of treatment conditions over time,which of the following factors can cause progressive improvement in performance from treatment to treatment and thus provide an alternative explanation for the results?
A)history
B)selection bias
C)practice
D)fatigue

Question

Quizplus · Accepted Answer

Practice can cause individuals to improve in performance from treatment to treatment as they become more familiar with the task and the procedures involved. This is known as the learning effect.

When a Group of Individuals Is Tested in a Series