A researcher compares students' performance using a new learning strategy to their performance using the old strategy.Students' performance is first tested with the old strategy,followed by the new strategy.The results indicate that students perform better with the new strategy.These results
A)are uninterpretable due to the confounding with practice effects.
B)the order of the two learning strategies does not matter.
C)indicate that teachers should use the new strategy.
D)all of these

Question

Quizplus · Accepted Answer

The results may be confounded by practice effects as the students had already gone through one round of testing before trying the new strategy. Therefore, it is difficult to determine if the improvement in performance was solely due to the new strategy or if it was due to prior exposure and practice with the material.

A Researcher Compares Students' Performance Using a New Learning Strategy