Find over 25,000 psychological definitions


dissimilarity coefficient

an index of difference or distance between two objects, variables, or samples. It may be based on correlation, with lower values indicating more difference or distance, or variance, with higher values indicating greater difference or distance. A dissimilarity coefficient often is used in multivariate procedures such as cluster analysis, multidimensional scaling, and principal components analysis. Also called distance measure. Compare similarity coefficient.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

May 8th 2024

alcoholic

alcoholic

n. a person who is dependent on alcohol, that is, who regularly drinks to the point of intoxication despite negative consequences. See also alcohol dependence.