stability coefficient

an index of reliability determined via a test–retest method, in which the same test is administered to the same respondents at two different points in time. For example, the stability coefficient of a psychological test may be estimated by determining the degree of similarity between participants’ scores across time: The more the two scores for each participant are alike, the higher the correlation between the two administrations and the greater the stability coefficient of the test. Also called coefficient of stability.

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Psychology term of the day

January 30th 2025

febrile seizure

a seizure arising from a high fever. It is the most common type of seizure in childhood and 20 to 30% of them recur. Febrile seizure is a benign condition for most children, but experiments with nonhuman animals and neuroimaging studies in humans suggest some febrile seizures may damage the hippocampus.