Glossary P

Prejudice refers to an attitude, usually negative, towards the members of some Group on the basis of their membership of that group.

Read more …

Prejudiced feelings are negative feelings toward a group and its members.

Preliminary hearing refers to a preview of a trial held in court before a Judge, in which the Prosecution must produce sufficient evidence of guilt for the case to be bound over for the grand jury or to proceed to trial.

Preliminary Investigation refers to the initial inquiry into a reported crime

Read more …

Prelingually deaf refers to the characteristic of becoming deaf prior to acquiring language.

Prelinguistic refers to vocalizations made by the infant before the development of language.

Prelinguistic phase refers to the period before children utter or say their first meaningful words.

Premack principle which is also known as "Grandma's rule," refers to the contingency management technique in which a behavior is reinforced by allowing the individual to engage in a more attractive activity once the target behavior is completed. Premack principle is the notion that a high-probability behavior can be used to reinforce a low-probability behavior; the idea that reinforcement is relative both within an individual and between individuals.