Glossary C

Code switching means changing from one type of language use to another, such as switching from a formal to an informal register when talking to people who differ in status. The term is also used to describe the switching between two (2) languages that is characteristic of bilingual language use.

Codes of ethics are documents that guide the ethical practice of mental health professionals.

Coding is the process whereby raw data are transformed into standardized form suitable for machine processing and analysis. Coding is the form in which information is mentally or internally represented.

- Coding system : Coding system refers to the Brunerian concept referring to a hierarchical arrangement of related categories.

CODIS (Combined DNA Idex System)

Codominance is a condition in which two (2) heterozygous but equally powerful alleles produce a phenotype in which both genes are fully and equally expressed. It is a condition in which both alleles of a specific gene contribute to the characteristic that is expressed, as in AB blood type.

Coefficient alpha is a statistic used to determine internal reliability of tests that use interval or ratio scales. It is a generalized method for estimating reliability. Alpha is similar to the KR20 formula, except that it allows items to take on values other than 0 and 1.

Coefficient of alienation is a term used in correlation and regression analysis that refers to the index of non-association between two (2) variables.