An exercise on the level of aspiration for the introductory psychology laboratory.

It is customary to have a laboratory concurrent with a science course. These laboratories presumably demonstrate the laws and principles of that science. This is done in several ways: by giving the students practical first-hand knowledge of the principles, by having them observe demonstrations or participate in them, by teaching them through “audio-visual aids”, and so on. But it is because certain problems are posed by the very nature of the laboratory. For example, time limits may prevent the completion of experiments or they may be too complicated for the beginning student to undertake