The test-retest reliability of the survey form of the Leyton Obsessional Inventory-Child Version was examined over a 2-wk. interval. Three age groups of children participated in the study, 8- to 10-year-olds, 11- to 13-year-olds, and 14-to 16-year-olds (N = 106). For the total Obsessive scores, the test-retest Pearson correlation coefficients for the three age groups were .51, .75, and .83, respectively, which suggest that the temporal stability of the instrument is a function of age.
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