Scales developed as a means of quantifying the quality of information provided by a respondent and determining the level of confidence the test-giver can have that the resulting substantive scale(s) will be meaningfully associated with the external correlates seen in the research literature.
Objective personality assessment relies on the direct disclosure of information by the individual being assessed (i.e., self-report) or by others familiar with the individual (i.e., informant report). With face-valid questionnaire items, the assessment process becomes a meaningful communication between the test-giver and the test-taker, collecting valuable data in a structured and consistent manner across respondents. Despite the wealth of information provided via personality inventories, the predictive utility for individual cases can be undermined by intentional or unintentional biases in the respondent’s reporting. Validity scales were developed as a means of quantifying...
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