Answer to Question #137247 in Psychology for saakshi

Question #137247
Q4. The Interpersonal Communication Competence Inventory (ICCI) was administered to a group
of 100 participants and the following data was obtained.
M = 74 and SD = 14

Convert the following raw scores on the ICCI into t-scores. Mention what steps will have to be
followed to do the conversion.

Raw scores 75, 81, 40, 55 ,90
1
Expert's answer
2020-10-12T10:59:20-0400

STEP I: CONVERT THE RAW SCORES TO Z-SCORES


Use the formula


(Where Xi is the raw score, M is the mean (given), and SD is the standard deviation (given))


For example for the first score (75)


Now do for all the scores (81,40,55,90)

Your Z values will be;

75 = 0.0714

80 =0.5

40 = -2.4286

55 = -1.3571

90 = 61.429


STEP II: CALCULATE T-SCORES BY MULTIPLYING Z-SCORE BY 10 AND THEN ADDING 50 TO THE RESULT.


T= (Z x 10) + 50


For example for 0.0714;


T = (0.0714 x 10) + 50 = 50.714


Your T- scores will be;


75 = 50.714


81 = 55.0


40 = 25.714


55 = 36.429


90 = 61.429




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