Glossary P

Postpartum Psychosis refers to the rare occurrence of severe, debilitating depression or Psychotic symptoms in the mother after childbirth or after giving birth.

Postpsychotic depressive disorder refers to a major depressive episode that is superimposed on and occurs during the residual phase of schizophrenia.

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Postsynaptic neuron is a neuron on the receiving end of a synapse

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Posttest is a term in Industrial and Organizational Psychology that is defined as a measure of job performance or knowledge taken after a training program has been completed.

Posttest-only design with non-equivalent groups refers to a nonexperimental design in which one group is exposed to one level of an independent variable and a second group chosen using a different selection mechanism is exposed to a second level.

Posttest-only nonequivalent control group design refers to a nonexperimental design in which one group is observed (measured) after receiving a treatment, and a second, nonequivalent group is measured at the same time but receives no treatment.

Posttesting is defined as the re-measurement of a dependent variable among subjects after they have been exposed to a stimulus representing an independent variable.

Posttraumatic growth refers to positive life changes and psychological development following exposure to trauma.

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