Glossary P

Principle of size states that the more worthwhile the amount of a reinforcer, the more effective the reinforcer. The question "Was the amount of reinforcement worthwhile?" should be asked to decide whether the principle has been followed

Principle of synchrony refers to a modern principle of perceptual organization that states that visual events that occur at the same time will be perceived as belonging together.

Principle of the heterogony of ends is a principle which according to Wundt is the fact that goal-directed activity usually causes experiences that modify the original motivational pattern.

Principle of uniform connectedness refers to a modern Gestalt principle that states that connected regions of a visual stimulus are perceived as a single unit.

Read more …

Principle of visual analysis is finding differences that look convincing. If conditions are divided and stable, differences are convincing.

Read more …

Principle toward the development of opposites is a principle which according to Wundt is the tendency for prolonged experience of one type to create a mental desire for the opposite type of experience.

Read more …

Principles and parameters theory refers to the theory that the child has innate knowledge of Universal Grammar that consists of principles that hold true for every language, and a set of options, or parameters, that have to be filled in by experience.

Prion is defined as a disease-causing agent and an infectious particle that is neither bacterial nor fungal nor viral and contains no genetic material. A Prion is a protein that occurs normally in a harmless form.

Read more …