covariance

n. a scale-dependent measure of the relationship between two variables such that corresponding pairs of values of the variables are studied with regard to their relative distance from their respective means. A positive covariance results when values of one variable that lie above the mean of that variable tend to be paired with values of the second variable that also lie above the mean of that variable. A negative covariance results when values of one variable that lie above the mean tend to be paired with values of the second variable that lie below the mean.

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Psychology term of the day

May 10th 2024

developmental milestone

any aspect of physical, cognitive, social, or emotional development that is significant and predictable, such that children throughout the world develop this ability, characteristic, or behavior at about the same time. Developmental milestones include presence of first teeth and language acquisition.