Term
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Definition
| The extent to which a test measures what it is supposed to measure. |
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Term
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Definition
| This type of test measures a student's performance in terms of mastery level. |
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Term
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Definition
| This is a graph with standard scores which have the same number for the mean, median, and mode. |
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Term
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Definition
| This type of test compares a student's performance on the test to the performance of his/her aged peers. |
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Term
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Definition
| The middle score in a group of scores |
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Term
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Definition
| The range of scores within which a person's true score will fall with a given probability. |
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Term
| Standard Error of Measure |
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Definition
| The estimated amount of each type of error associated with true scores. |
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Term
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Definition
| Scores which indicate the percentage of students whose scores are at or below a given raw score. |
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Term
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Definition
| In a group of scores, the one most often seen. |
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Term
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Definition
| Refers to the average score earned by a child at a particular grade level on a specific test. |
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Term
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Definition
| The extent to which a person is likely to receive the same score or rating if tested again on the same instrument. |
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Term
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Definition
| The numerical average of a group of scores. |
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Term
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Definition
| The distance from the highest score to the lowest score. |
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Term
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Definition
| A unit of measurement which indicates how much a score deviates from the mean. |
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Term
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Definition
| A group of subjects of known characteristics (age, grade, sex) to whom a person's performance may be compared. |
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