central moment

a moment that describes the shape of a set of scores with regard to its deviation about the mean. Four common central moments that describe a random variable are the mean (the first central moment), the variance (the second central moment), the skewness (the third central moment), and the kurtosis (the fourth central moment). Also called moment about the mean.

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Psychology term of the day

November 16th 2024

borderline disorder

1. see borderline personality disorder.

2. historically, any psychological condition that lies between normality and neurosis, between normality and psychosis, or between normal intelligence and intellectual disability.