I. Definition of perception:
II. Gestalt Psychologists: the first to realize that perception involves actively looking for meaning.
A. Definition of the German word "gestalt":
B. Central principle of gestalt psychology: "The whole is different from the sum of the parts." To learn how Gestalt psychology deals with more than perception, follow these links to see how:
- this view put them in conflict with the structuralists
- this view led to some insights about creativity
C. Examples of this principle ("the whole is different from the sum of the parts") in perception:
1. Some intuitive examples2. The phi-phenomenon
a. Definition
b. Demonstration
III. One implication of the fact that what we see is different from what's there: We do not see objective reality. Instead, what we see is affected by the perceptual hypotheses we form.
A. Examples of perceptual hypotheses:
B. Implications of perceptual hypotheses for observation
1. All scientific observations are open to question because we may see what we expect to see rather than what's there. That is, we may be susceptible to perceptual set.
2. Asking people what they observe may be more useful for finding out what perceptual hypotheses they have than for finding out about the world.
How psychologists use this fact:
3. The disturbing lack of correspondence between confidence and accuracy of observations.
4. The value of perception checking and active listening