Glossary P

Partial reinforcement refers to a pattern in which only a portion of all responses are reinforced.

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Partial reinforcement effect is the process whereby behavior that has been maintained on an intermittent or partial schedule of reinforcement extinguishes more slowly than behavior that has been maintained on a continuous schedule; responses acquired with partial reinforcement are more resistant to extinction. .

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- Partial Reinforcement Extinction Effect (PREE) : Partial Reinforcement Extinction Effect (PREE) means the greater resistance to extinction exhibited for responses learned under partial rather than continuous schedules of reinforcement

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Partial reinforcement schedule is a form of Behavior modification in which a behavior is rewarded or punished only some of the time

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Partial seizure is defined as a seizure caused by an abnormal rhythm confined to a particular brain area also known as focal seizures always begins as a local neuronal discharge the most common type of seizure.

Partialism refers to a paraphilia in which the person is interested solely in sexual gratification from a specific body part, such as feet.

Participant refer to a human whose behavior the researcher is investigating; it is formerly called Subjects. Likewise, Participants are Individuals who participate in psychological research; humans who take part of a research study.

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Participant attrition refers to the loss of participants that occurs during the course of a research study conducted over time. Attrition can be a threat to internal validity. Participant attrition is also known as Participant mortality.