The memory task had two conditions containing either 12 words or 12 pictures. For both conditions, items were presented on a personal computer located on a desk adjacent to the end-state comfort shelves. Participants faced the computer and the shelves were located next to and behind them, out of view. As the items were presented, an experimenter placed the glasses on the upper shelf according to the condition being tested. The words and pictures were presented in one
of the following two sequences