Problems with the use of the Zener cards in Rhine's early experiments included all of the following EXCEPT
A) badly printed Zener cards that allowed the symbols to show faintly from the back.
B) subjects noting marks on the cards caused by normal use.
C) the experimenter unconsciously giving people cues.
D) the use of the double-blind experiments.

Question

Quizplus · Accepted Answer

The use of double-blind experiments was not a problem in Rhine's early experiments, but rather a solution to address potential experimenter bias and cueing. The other options (A, B, and C) were all problems encountered in Rhine's early experiments with the Zener cards.

Problems with the Use of the Zener Cards in Rhine's