Glossary P

Puer aeternus refers to a man who may have difficulty growing out of adolescence and becoming more responsible.

Punctuated equilibrium model refers to a group development theory that assumes groups change gradually over time but that the periods of slow growth are punctuated by brief periods of relatively rapid change.

Punctuation is the concept that each person in a transaction believes what he/she says is caused by what the other person says. Basically the individual holds the other responsible for his/her reactions.

Deutsch: Durchdringung / Español: punción / Português: punção / Français: ponction / Italiano: puntura

In the psychology context, puncture is not a standard term with a well-defined meaning. However, it may be used metaphorically to describe moments or interventions that "pierce through" psychological defences, emotional barriers, or mental frameworks, leading to a breakthrough or emotional release. This concept is often linked to therapeutic processes or moments of heightened emotional clarity.

Punisher refers to a stimulus that decreases the probability of the response that produces it.

Punishment is when an aversive consequence follows a behaviour and therefore decreases the probability of that behaviour occurring again.

Punitiveness refers to the belief that people should be harshly punished for their mistakes or shortcomings.

Pupil is the opening in the center of the iris through which light enters; opening at the eye through which light passes.