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18 Cards in this Set
- Front
- Back
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Alternative Method
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A method of calculating reliability by repeating different but equivalent measures at two or more points in time.
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Construct Validity
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Validity demonstrated for a measure by showing that it is related to the measure of another concept.
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Content Validity
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Validity demonstrated by ensuring that the full domain of a concept is measured
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Face Validity
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Validity asserted by arguing that a measure corresponds closely to the concept it is designed to measure.
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Factor Analysis
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A statistical techniques useful in the construction of multi-item scales to measure abstract concepts
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Guttman Scale
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multi-item measure in which respondents are presented with increasingly difficult measures of approval for an attitude.
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Index
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A multi-item measure in which idividual scores on a set of items are combined to form a summary measure
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Interval Measurement
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A measure for which a one-unit difference in scores is the same throughout the range of the measures.
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level of measurement
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An indication of what is meant by assigning scores of numerals to empirical observation.
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Nominal measurement
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A for which different scores represent different, but not ordered, categories.
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Operational Measurement
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The rules by which a concept is measured and scores assigned.
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Ordinal Measurement
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A measure for which the scores represent ordered categories that are not necessarily equidistant from each other.
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Ratio Measurement
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A measure for which the scores possess the full mathematical properties of the numbers assigned.
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Reliability
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Te extent to which a measure yields the same result of repeated trials.
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Semantic Differential
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A technique for measuring attitudes toward an object in which respondents are presented with a series of opposite adjective pairs.
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Split halves Method
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A method of calculating reliability by comparing the results of two equivalent measures made at the same time
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test-retest method
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A method of calculating reliability by repeating the same measure at two or more points in time.
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Validity
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The correspondence between a measure and the concept it is supposed to measure.
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