Consistency of Maternal Report and the Personality Inventory for Children: Always Useful and Sometimes SufficientReply to Cornell
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abstract
Cornell (1985)has suggested that our previous study of the external validity of the Personality Inventory for Children (PIC) was flawed to the degree that scale correlates were obtained from the same source as PIC response: the parent. Discussing the process of actuarial assessment, we suggest that nontest correlates, regardless of source, provide evidence for scale validity, not stability, and also suggest that similarity in content between personality scale items and demonstrated correlates is the rule rather than the exception. The process of test validation is distinguished from the use of scales to study personality constructs. 1985 American Psychological Association.