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Tom, Dick, and Harry each earn raw scores of 56, 44, and 32 respectively on the...

Tom, Dick, and Harry each earn raw scores of 56, 44, and 32 respectively on the Edwards Social Dominance Scale (mean = 40, standard deviation = 8).

(a) Please provide the following for each of these test-takers.

Raw score: Tom: ________ Dick: ________ Harry: ________

Deviation score: Tom: ________ Dick: ________ Harry: ________

z-score : Tom: ________ Dick: ________ Harry: ________

(b) Calculate the CPI Dominance scale T-score for these test-takers (Mean = 50, standard deviation = 10). Hint: Just reverse the process used in part a. CPI T-score Tom: ________ Dick: ________ Harry: ________

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Answer #1

a)

Deviation score = raw score - mean

z-score = deviaiton score / standard deviation

Raw score: Tom: 56    Dick: 44 Harry: 32

Deviation score: Tom: 56 - 40 = 16   Dick: 44 - 40 = 4 Harry: 32 - 40 = - 8

z-score : Tom: 16 / 8 = 2 Dick: 4 / 8 = 0.5   Harry: -8 / 8 = -1

(b) Calculate the CPI Dominance scale T-score for these test-takers (Mean = 50, standard deviation = 10).

reversing above proces by taking mean = 50 and sd = 10.

z-score : Tom:   2 Dick: 0.5 Harry: -1

Deviation score: Tom: 2 * 10 = 20   Dick: 0.5 * 10 = 5 Harry: -1 * 10 = -10

CPI T-score Tom: 20 + 50 = 70   Dick: 5 + 50 = 55   Harry: -10 + 50 = 40

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