Test Bank
How To Use SPSS Statistics, 10th Ed.
Chapter 7: ANOVA Models
1. Post hoc tests are:
a. Unnecessary in the event of a significant t-test.
b. Necessary in the event of a significant t-test.
2. If you can not methodologically control for a variable, you can statistically control
for it by using ______________________
3. ANOVA
For the questions that follow, identify which procedure you would use for each of the given
scenarios.
a. One-way ANOVA
b. Factorial ANOVA
c. Repeated measure ANOVA
d. ANCOVA
e. MANOVA
with respect to their number of freckles. He randomly samples 60 adults over 60: 20
blondes, 20 brunettes, and 20 redheads, and then he determines how many freckles
each subject has. What is the relationship between hair color and number of freckles?
academic discipline and their actual ability to fix a car, holding constant mechanical
aptitude. Ben randomly selects 15 mathematics professors, 15 psychology professors,
and 15 philosophy professors at a major university. Each professor completes a
mechanical aptitude scale. Scores on this measure have a mean of 100 and a standard
deviation of 15. The professors were then rated on how well they performed four
automotive maintenance tasks: changing a tire, changing the oil, changing the spark
plugs, and adjusting the timing belt. Ratings were based on the degree of success in
completing the task and how long it took to complete it.
express her worries to her husband more (or less) the longer they are married. Malachi
develops the Desire to Express Worry scale (DEW) and administers it to the women
when they initially get married. He also has the women complete the scale at their 5th,
10th, and 15th wedding anniversaries.
gender of a therapist affects the outcome of therapy. Specifically, she is interested in
testing the hypothesis that the gender-matched pairs of client-therapist produce the most
positive outcomes. Emma has access to a large database and selects a sample of 40
client-therapist pairs, 10 for each type of pairing. All 40 clients are being treated for
PTSD, and the therapists use a similar therapy approach.
elementary children. Fifth grade students in a school district were randomly assigned to
one of three groups. Two groups received training in mindfulness from either a cognitive-
based approach or a behavior-based approach. The third group did not receive formal
instruction in mindfulness. To measure the results of the treatment, a social skills
inventory was administered to the children, and rating scales were completed by the
teachers and the parents.