The major advantage of the time-series design over the pretest-posttest design is
A) instrumentation is less of a problem
B) history is less of a problem
C) the effects of several potential threats to validity can be estimated
D) the effects of several potential threats to validity can be controlled

Question

Quizplus · Accepted Answer

The time-series design allows for the estimation of several potential threats to validity by observing patterns over multiple time points, which helps in identifying and accounting for these threats.

The Major Advantage of the Time-Series Design Over the Pretest-Posttest