One problem with Ebbinghaus's studies was:
A)he did not manipulate any variables.
B)he used a double-blind design.
C)he used a blind design.
D)there was a possibility of subject bias.

Question

Quizplus · Accepted Answer

There was a possibility of subject bias in Ebbinghaus's studies, as he was both the researcher and subject of his own experiments. Therefore, his results may have been influenced by his own biases or expectations.

One Problem with Ebbinghaus's Studies Was