Factors Relevant to the Rhythmic Perception of a Group of Mentally Retarded Children

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Abstract
A rhythmic perception test constructed by the experimenter was administered individually to a group of institutionalized mentally retarded children. The increase in the square of the multiple correlation coefficient was used to determine the relationship between the rhythmic perception scores and the independent variables of chronological age, intelligence quotient, social age, social quotient, and sex. Results showed that of the five independent variables, IQ, chronological age, and sex, in descending order of importance, were the three most influential variables in determining rhythmic perception scores, each increasing the square of the multiple correlation coefficient above a 1% increase and together accounting for 15.64% of the total explained percentage variation in measured rhythmic perception.

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