There are often very few observations per condition when studying complex cognition because
A) it is often necessary to test each participant individually in a time-consuming procedure.
B) there is very little variability among subjects in performance of these tasks.
C) the variability among subjects can be compensated for statistically.
D) statistical power is not affected by the number of observations obtained.

Question

Quizplus · Accepted Answer

Complex cognitive tasks often require individual testing of participants in procedures that are time-consuming, limiting the number of observations that can be feasibly collected.

There Are Often Very Few Observations Per Condition When Studying