The fact that people may learn from test taking is an experimental validity threat known as ____; the fact that the measurement scale may change over the course of the experiment is called ____.
A) instrumentation; testing effect
B) maturation; testing effect
C) testing effect; instrumentation
D) instrumentation; selection

Question

Quizplus · Accepted Answer

The first part of the statement refers to the testing effect, which is the tendency for people to learn and improve their performance simply by taking a test. The second part of the statement refers to instrumentation, which is a threat to experimental validity that occurs when changes in the measurement scale may affect the results of the study. Therefore, the correct answer is (C) testing effect; instrumentation.

The Fact That People May Learn from Test Taking Is