Glossary P

Peristalsis means contractions that propel food through the digestive tract.

Perlocutionary effect is a term used in the Speech Act Theory that refers to the effect of a speech act on a listener.

Permanency maybe defined as the extent to which a team will remain together or be disbanded after a task has been accomplished.

Permeability is defined as the property of a membrane that refers to the ability of molecules to pass through it. If the permeability to a molecule is high, the molecule can easily pass through the membrane. Permeability is also defined as the idea that constructs can be revised and extended in light of new experiences.

Permissive refers to a style of child-centered parenting characterized by giving permission rather than forbidding.

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Permissive parenting refers to a pattern of parenting in which otherwise accepting adults make few demands of their children and rarely attempt to control their behavior. It is a style of Parenting that offers warmth and caring but little parental control over children

Permissive-indulgent refers to a child-rearing style in which parents are not controlling and restrictive but are warm.

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Persecutory delusions in paranoid-type schizophrenia, the affected person holds fixed beliefs that he or she is the target of others’ ill will; these beliefs remain unchanged, despite overwhelming evidence to the contrary.