Procedure - PTP show 15 commercials. IV - the
time delay or with immediate recall. DV -
number of correctly recalled commericals.
Found - Immediate recall group =
Primary Effect (1st) and recency
effect (last) Evaluation / Limitation /
Criticisms.
1. Lacks ecological validity - took
place in a laboratory using an
artificial task. 2. Low construct
validity - The experiment only
measured memory through
commericals.