2005fall.Finalexam

2005fall.Finalexam - Page 1 FINALEXAMPSYCH305 FALL2005...

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Page 1 FINAL EXAM - PSYCH 305 Name:________________________ FALL 2005 PROFESSOR SPELLMAN SSN:_________________________ WHEN YOU ARE DONE – BE SURE TO SIGN THE PLEDGE (IF YOU CAN) !!! TEAR OFF THE LAST PAGE TO BEGIN. Question 1. (15 pts) This page has short warm-up parts. a. Several people take an IQ test that has a mean of 100 and a standard deviation of 15. i. Ashley says – I’m really smart! My IQ is 127. What % of the population is her IQ higher than? Show work. ii. Mary-Kate says – I don’t know how smart I am but the average IQ for the 11 kids in my eating-disorders rehab program was 109. How smart is that? (Above what %? Explain.) b. Of the 10 other kids in Mary-Kate’s rehab program, 6 were girls and 4 were boys. Each of them had a least one diagnosis: 8 had suffered from anorexia and 5 from bulimia. i. If you randomly pick another person from Mary-Kate’s program, what is the probability that he or she suffered from BOTH anorexia and bulimia? Show work. What assumptions are you making? ii. If you randomly pick another person from Mary-Kate’s program, what is the probability the person will be female OR have suffered from anorexia? Show work. What assumptions are you making? c. Put the following sections of an APA-style manuscript in order from first to last. Results, Introduction, References, Abstract, Discussion, Method 1. ___________________ 2. ____________________ 3.____________________ 4. ___________________ 5. ____________________ 6.____________________

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Page 2 USE THE QUESTIONS ON THE LAST PAGE FOR THIS PROBLEM Question 2. (27 pts this page) You are working for a political advisory group in Virginia. You have surveyed 100 Virginia residents by phone. (See questions above z-table.) a. Surveys may be exempt from IRB regulations. Does this survey meet the qualifications for exemption? Why or why not? ________________________________________________________________________ ________________________________________________________________________ Here are data from the first four people in the survey. Person Age Sex Choose Religious # Abortions A 17 M -2 7 0 B 30 F 2 5 0 C 25 M 1 1 0 D 40 F 3 3 1 b. For each of the questions, fill in the table below. For the mean and standard deviation, use the data above. You might want to look at Question 2 before you start calculating. Answers for: Type of question: open-ended, closed-ended, partially open-ended, rating scale Measurement scale: interval, categorical, ordinal, ratio Question Type of Question Measurement Scale Mean Standard Deviation 1. age (no need to do this one) 2. sex 3. choose 4. religious 5. # abortions (no need to do this one) c. For the four people above, what is the correlation between “choose” and “religious”?
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2005fall.Finalexam - Page 1 FINALEXAMPSYCH305 FALL2005...

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