Term
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Definition
| Reliability of the raters (scorers/examiners) who will be administering the instrument |
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Term
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Definition
| same examiner is consistent w/in herself |
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Term
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Definition
| - same consistency exists btwn all examiners |
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Term
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Definition
| - process that yields numerical descriptions of data collected for purposes of analysis and interpretation |
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Term
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Definition
| - assessment too used to collect data |
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Term
| nominal measurement level |
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Definition
| used for variables that fall into mutually exclusive categories by name only |
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Term
| ordinal measurement level |
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Definition
| used for categorical variables with a ranking order; difference between categories is not specified |
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Term
| interval measurement level |
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Definition
| used for continuous variables that are characterized by equal intervals along a scale; has no absolute zero |
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Term
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Definition
| highest level of measurement; used for continuous variables, similar to ordinal but has a zero point of origin and allows direct comparison of values |
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Term
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Definition
| the ability of a measuring instrument to get the same reading when repeatedly applied to the same subject |
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Term
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Definition
| ability of measuring what was intended |
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Term
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Definition
| examined by field of experts |
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Term
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Definition
| instrument given to a group of individuals with similar attributes that are to be measured |
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Term
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Definition
| newly developed instrument is compared with one already proved to be valid |
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Term
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Definition
| indicates how accurately a test can predict an individual’s performance |
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Term
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Definition
| an idea or perception resulting from fact, impressions, etc. |
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