Subjects sort out four-word sentences from sets of five word. They concentrate on getting the sentences right. Unknown to them the unused word gives their minds a subtle bias. From one set, with extra words Florida, old, lonely, forgetful, wrinkle (and some neutral words) the experimental group "walked more slowly away from the experimental room".p54 The priming words had biased them to "think elderly". The idea is that of John Bargh.