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Post-Traumatic Stress Disorder Post-traumatic stress disorder is a psychological disorder where individuals suffer nightmares and other types of emotional distress from a …

Posthypnotic Suggestion Posthypnotic Suggestions are statements or commands given to people while under hypnosis that the person acts on when in a …

Posthypnotic Amnesia Posthypnotic amnesia is a person’s inability to recall events or information obtained while in a hypnotic state. This can occur …

Postconventional Level Postconventional level is the third and final level of Kohlberg’s moral development taxonomy where individuals enter the highest level of …

Positron Emission Tomography (PET) Positron emission tomography (PET), which is similar to the MRI, is a scanning method that enables psychologists and …

Positivism Positivism is a philosophy in which people believe the goal of knowledge is only to describe what people experience, and that …

Positive Reinforcement A stimulus that increases the frequency of a particular behavior using pleasant rewards. A doggy treat can pleasantly coerce your …

Positive Regard According to Carl Rogers, people have two fundamental psychological needs, positive self-regard and self-actualization. Positive self-regard refers to the need …

Population When conducting research there are lots of factors to consider. Psychologists may want to study, for example, the effect of some …

Ponzo Illusion Named for an Italian psychologist, the Ponzo Illusion is the mindʼs tendency to judge an objectʼs size according to the …