Glossary C

Category refers to a grouping of items sharing one or more similarities; an aggregation of people or things that share some common attribute or are related in some way. Moreover, Category refers to a term Bruner used to describe a grouping of related objects or events. In this sense, a category is both a concept and a percept. Bruner also defines it as a rule for classifying things as equivalent. (See Coding system.)

Category format refers to a rating-scale format that usually uses the categories 1 to 10.

Category prototype refers to an abstract representation of a category, reflecting the central tendency , or "best example,'' of a category.
Category typicality refers to the idea that some items are more representative of the category prototype than others. Items that are highly typical of a category have more features in common with the category prototype than do less typical items.

- Category-based expectancies : Category-based expectancies refer to expectations about people based on the groups to which they belong, such as expecting someone to love going to parties because he or she belongs to a party-loving fraternity or sorority

Category-size effect refers to the fact that it takes longer to semantically verify a statement of the form An A is a B if B is a larger semantic category .

Category-specific dissociations is a term used in Aphasia that refers to the selective inability to retrieve certain categories of words, such as fruits or vegetables, while retaining the ability to recognize and use other word categories.

Catharsis refers to a sudden emotional breakdown, emotional release or climax that constitutes overwhelming feelings of great pity, sorrow, laughter, or any extreme change in emotion that results in the renewal, restoration and revitalization for living.