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Created with Fabric.js 1.4.5 Raw Scores Percentiles Standard Scores Scaled Scores T Scores Number of correct answers 18/20 or 90% The percentage of people/scores that occur at/below a given score. A score that has been changed to fit the normal curve Scores, scores, and more scores! Conversion of a student's raw score on a test Another way to express test performance. Stanines Age Equivalent Grade Equivalent Student got 18 correct out of 20 questions, or 90%. Percentile rank of 75. 75 - Meaning that a student did as well or better than 75% of the class. with a mean & standard deviation that remain the same across ages. Score of less than 70: Developmental Delay The standard score of 100 with a mean of 15 is the most common representation of standard scores. to a common scale that allows for a numerical comparison between students. Score: 8 - 12 = "Average" Scaled scores range from 1 to 19 with a mean of 10. 1 - 3: Developmental Delay 17 - 19: Very Superior T = 50+10z T scores have a mean of 50 with a standard deviation of 10. Student scores 1.5, therefore, T = 50 + 10 (1.5). 1.5 standard deviation above the mean. Abbreviation for standard nines A stanine of 7 is 1 SD above the mean. Stanine scores can range from 1 to 9. Very general score used to compare the performance of children at the same age. 12 - 8 Equivalent score of 12 - 8 means a child is performing as well as the average 18 year, 8-month-old child. Very general score used to compare the performance 5.4 of children in the same grade with one another. Score of 5.4 means the child is performing as well as the average student in the 5th grade, 4th month.
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