The difference between David's two typing tests, one at the beginning of the semester and one at the end, reflects the fact that he typed quite a few term papers during the semester. This reflects
A)attenuation.
B)random error.
C)practice effects.
D)domain sampling.

Question

Quizplus · Accepted Answer

The improvement in David's typing tests from the beginning to the end of the semester is due to practice effects, which occur when repeated practice or exposure to a task results in improved performance on that task. In this case, typing several term papers over the semester likely improved his typing skills.

The Difference Between David's Two Typing Tests, One at the Beginning