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| simplest level and consists of names and labels to identify categories |
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| rank ordered categories like mmt |
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| equal distances between them measured in degrees. no true zero |
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| interval scales with true zero indicating absence of characteristic ROM |
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| two scores occur most frequently |
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| is the spread of scores around a measure of central tendency and provides information on how widely spread the scores are in the distribution. small is greater accuracy |
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| The four indicators of variability commonly used are |
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| (1) standard deviation, (2) variance, (3) range, and (4) interquartile range |
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| is the squared standard deviation, shown by the formula where x is the obtained score, x is the mean, Σ - ( )2 x x is the sum of squares of the difference between individual scores and the mean, and is the total number of scores |
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| are response scales that provide an ordinal level of measurement where the choices for response to an item are ordered categories that are increasing or decreasing in inten- sity/severity |
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| calculating manually and most common |
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| well defined group or sample |
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| criterion referenced tests |
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| comparing clients scores to a predetermined set of performance criteria. |
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| exam of between subtest and between quotient variance that involves consultation of a table of significant. |
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| Selection of theoretical raitonale |
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| Assessments are usually based on a theoretical perspec- tive or rationale. In best practice, occupational therapists choose an assessment based on the theoretical rationale that they think will work best with a client. |
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| summarizes the occupational pro- file, providing a detailed portrait of the client as an occupa- tional being with “history and experiences, patterns of daily living, interests, values, and needs” |
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