PSY320H5 Lecture Notes - Lecture 2: Social Desirability Bias, Convergent Validity, Predictive Validity
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Inter-rater reliability: two or more independent judges score the test to ensure that there is no bias and the judges are measuring same thing and have same judgment. Internal consistency consistency of results across items on the same test: ex. Asking same question twice to ensure there is consistency in scores: validity, strength of conclusions. Best available approximation to the truth or falsity of a given inference, proposition or conclusion. : face validity - if a measure appears (on the face of it) to measure what it is supposed to measure, ex. Likert scales: people rate the extent to which they agree or disagree with statements that express positive or negative sentiments toward an attitude object, ex. Strongly agree, agree, disagree, strongly disagree: quick and easy, can score up average, construct many different attitude items. Depression scale that measures anxiety: p q; does not mean q p.
