random variable

a variable that takes on different values according to a chance process. These values cannot be predicted with certainty and are assumed to vary across studies; however, their frequency can be described in terms of probability. Also called stochastic variable. Compare fixed variable.

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Psychology term of the day

October 15th 2024

relational shift

the developmental change in analogical thinking that occurs when the child moves from focusing on perceptual similarity to focusing on relational similarity when solving problems.