chorea

n. irregular and involuntary jerky movements of the limbs and facial muscles. Chorea is associated with various disorders, including Huntington’s disease and Sydenham’s chorea (formerly known as Saint Vitus’s dance), which occurs as a complication of a streptococcal infection (e.g., rheumatic fever). —choreal adj. —choreic adj.

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Psychology term of the day

January 27th 2025

standardized coefficient

any index derived from an analysis of two or more variables that have been transformed via standardization, which ensures their value ranges and variances are equivalent and thus appropriate for comparison. The term is most commonly used to denote the standardized regression coefficient or beta coefficient.