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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 warmup 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.
MaryKate says – I don’t know how smart I am but the average IQ for the 11 kids in my
eatingdisorders rehab program was 109.
How smart is that?
(Above what %?
Explain.)
b.
Of the 10 other kids in MaryKate’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 MaryKate’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 MaryKate’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 APAstyle manuscript in order from first to last.
Results, Introduction, References, Abstract, Discussion, Method
1. ___________________
2. ____________________
3.____________________
4. ___________________
5. ____________________
6.____________________
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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 ztable.)
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: openended, closedended, partially openended, 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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 Fall '08
 FREEMAN
 Standard Deviation

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