difference score

(symbol: D) an index of dissimilarity or change between observations from the same individual across time, based on the measurement of a construct or attribute on two or more separate occasions. For example, it would be helpful to calculate a difference score for a person’s weight at the beginning of a diet and exercise program and the final weight 6 months later. Also called change score; gain score.

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Psychology term of the day

February 1st 2025

interaural rivalry

the competition within the auditory system to comprehend conflicting inputs received simultaneously in both ears. Interaural rivalry has been employed in the study of temporal lobe lesions: Patients typically recall less of the information heard in the left ear if a lesion is on the right side, and vice versa. See also dichotic listening.