Glossary P

Pretest-Posttest nonequivalent control group design refers to a quasi-experimental research design that compares two (2) nonequivalent groups; one group is measured twice, once before treatment is administered and once after. The other group is measured at the same two (2) times but receives no treatment.

Pretesting is defined as the measurement of a dependent variable among subjects before they are exposed to a stimulus representing an independent variable. Please see Posttesting.

Pretexting means providing a cover story for an informant

The term "pretherapy" refers to the process of preparing a person for therapy or counseling. This can involve a variety of different activities, such as gathering information, assessing the person's needs, setting goals for therapy, and helping the person to feel more comfortable and confident about beginning therapy.

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Pretherapy change refers to a change that takes place before the client arrives at the Therapist’s office. The Therapist wil be asking about and comments on this change.

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Prevalence refers to the number of identified cases in a given population.

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Prevalence rates refer to the number of cases of a disorder, whether new or previously existing, that are observed during a specified period of time.

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Preventative surgery refers to the treatment to remove tissue that is not yet malignant, but that has a high chance of turning malignant.