That Ebbinghaus served as his own participant was problematic because:
A) his expectations might have influenced the results.
B) he could not manipulate an independent variable.
C) his studies were double-blind.
D) he didn't have any experimenter bias.

Question

Quizplus · Accepted Answer

Ebbinghaus serving as his own participant could lead to his expectations influencing the results, introducing a form of bias known as experimenter expectancy effect.

That Ebbinghaus Served as His Own Participant Was Problematic Because