After taking a special computerized introductory sociology course, students do twice as well on the posttest as they did on the pretest. The researcher suspects the pretest alerted students to what was to come, however. This threat to internal validity is called
A)instrumentation
B)testing
C)regression to the mean
D)selection

Question

Quizplus · Accepted Answer

The testing threat to internal validity occurs when the pretest influences the participants' performance on the posttest, as it may alert them to the content or format of the test, leading to improved scores.

After Taking a Special Computerized Introductory Sociology Course, Students Do