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null distribution

in statistical testing, the probability distribution of values for a particular test statistic that is obtained when the null hypothesis is true. For example, the F ratio from an analysis of variance follows the F distribution if the null hypothesis is correct. Also called null hypothesis distribution. Compare alternative hypothesis distribution.

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Psychology term of the day

February 2nd 2025

learning

learning

n. the acquisition of novel information, behaviors, or abilities after practice, observation, or other experiences, as evidenced by change in behavior, knowledge, or brain function. Learning involves consciously or nonconsciously attending to relevant aspects of incoming information, mentally organizing the information into a coherent cognitive representation, and integrating it with relevant existing knowledge activated from long-term memory.