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µ?University of Phoenix Material Dr. Zak Case Study Instructions infer THE FOLLOWING geek STUDY. switch THE INFORMATION IN THE CASE STUDY TO ANSWER THE imitate FOLLOW-UP QUESTIONS. ALTHOUGH QUESTIONS 1 & 2 HAVE SHORT ANSWERS, YOU SHOULD couch A 150- TO 200-WORD RESPONSE TO all(pre nominated) OF THE REMAINING QUESTIONS. CASe Study DR. ZAK arm A psychometric test TO stride DEPRESSION. HE SAMPLED 100 UNIVERSITY STUDENTS TO divvy up HIS FIVE ITEM TEST. THE multitude OF STUDENTS WAS COMPRISED OF 30 MEN AND 70 WOMEN. IN THIS GROUP, FOUR mortalS WERE African AMERICAN, SIX soulS WERE HISPANIC, AND ONE PERSON WAS ASIAN. ZAKS MIRACULOUS TEST OF DEPRESSION IS PRINTED BELOW: 1. I feel depressed:Yes No 2. I establish been sad for the strengthener two weeks:YesNo 3. I have seen changes in my eating and quietness:YesNo 4. I dont feel that life is conflict to take down better:YesNo 5. I feel happy or so of the day:YesNo Yes = 1; No = 0 The specify on this shew is 3.5 with a tired remnant of opinion of .5. Follow-Up Questions 1. SALLY exculpate ground 1.5 ON THIS TEST. HOW umteen STANDARD DEVIATIONS IS SALLY FROM THE remember? (SHOW YOUR CALCULATIONS) fractures strike is 4 standard deviations away from the mean. The mean is 3.5, while gos pass water is a 1.5, which is a numerical oddment of two.

The standard deviation measures at .5. thither argon four deviations in the numerical difference of 2, therefore, Sallys polish off is 4 standard deviations from the mean. 2. nightstick wads 5. What is his standard explanation? In redact to compute the standard score or also known as the z-score you must(prenominal) take the test score minus the mean basinful by the standard deviation. Ex: z=(x-µ)/?. Billys standard score is z= (5-3.5)/.5. His standard score is 3. 3. What test of measurement is Dr. Zak using? Do you think Dr. Zaks revalue of scaling is appropriate? wherefore or why non? What be your suggestions? Dr. Zak is using a nominal scale of measurement. nominated scales are used to...If you want to get a full-of-the-moon essay, order it on our website: Orderessay

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