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Rand gets very anxious when he is in an enclosed space.Every time he gets in an elevator,he thinks,"I will never get out of here alive." His therapist helps Rand by having him think instead,"The doors of the elevator closed correctly and they will open correctly in just a minute." His therapist is using
Percentiles
A measure that indicates the value below which a given percentage of observations in a group of observations falls.
Stanines
Derived from the term “standard nines,” this is a standardized score frequently used in schools. Often used with achievement tests, stanines have a mean of 5 and a standard deviation of 2, and range from 1 to 9.
T-scores
Standardized scores with a mean of 50 and a standard deviation of 10, used to compare an individual's score against a normative sample.
Grade Equivalents
A metric used in education to compare a student's test score with the average scores of students in other grades.
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