In Within Participants Experimental Designs, Participants Are Tested Under More

Multiple Choice

In within participants experimental designs, participants are tested under more than one condition. A carryover effect may confound the results if

A) performance under the later conditions is altered by participating in the prior conditions.
B) some of the participants only receive the first condition.
C) the participants have been in other psychology experiments.
D) more than one independent variable is investigated.