In Cattell’s view, there are three major sources of data about personality – the life record or L-data; the self-rating questionnaire or Q-data; and the objective test or T-data. L-data may in principle involve actual records of the person’s behavior in society, such as school records. Self-rating (Q-data), by contrast, involves the person’s own standard statements about his/her behavior and thus can provide a “mental interior” to the external record yielded by L-data. Objective test (T-data) is based on a third possibility, the creation of special situations in which the person’s behavior may be objectively scored. These situations may be pencil-and-paper tasks or may involve apparatus of various kinds.
Posted on: Sat, 02 Aug 2014 14:36:38 +0000
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