iris coloboma

a congenital defect of the iris that shows as a cleft or fissure (coloboma) extending outward from the edge of the pupil. A coloboma usually occurs in the lower portion of the iris. The defect may be one of several signs of a chromosomal anomaly.

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Psychology term of the day

January 30th 2025

critical region

a range of values that may be obtained from a statistical procedure that would lead to rejecting a specific claim about a population. More specifically, it is the portion of a probability distribution containing the values for a test statistic that would result in rejection of a null hypothesis in favor of its corresponding alternative hypothesis. Also called rejection region. Compare acceptance region.