You have been provided the z-scores of three individuals. Person A received a z-

Question

You have been provided the z-scores of three individuals.

Person A received a z-score of 1.0,
Person B received a z-score of 0, and
Person C received a z-score of -1.0.

Using Figure 3.8 in the Gregory text (p. 89), indicate each individual's score as a T score, CEEB score, IQ score, and approximate percentile score. Once you have indicated these transformed scores, describe why it is possible to easily convert standard scores from one scale to another. Include in your answer the mean and standard deviation of each of the transformed scores and the theoretical rationale for their equivalency.

Explanation / Answer

T 1, 0, -1 CEEB 600, 500, 400 (assume mean = 500, sd=100) IQ 110, 100, 90 (assume mean = 100, sd=10) Perentile 84 50 16

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