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Exam 7: Anova Models

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Question 1

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For the questions that follow, identify which procedure you would use for each of the given scenarios. -Malachi is interested in determining whether the average woman wants to 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.

A) One-way ANOVA
B) Factorial ANOVA
C) Repeated measure ANOVA
D) ANCOVA
E) MANOVA

F) A) and E)
G) C) and D)

Correct Answer

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C

Question 2

Multiple Choice

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For the questions that follow, identify which procedure you would use for each of the given scenarios. -Emma is interested in evaluating whether the gender of the client and the 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.

A) One-way ANOVA
B) Factorial ANOVA
C) Repeated measure ANOVA
D) ANCOVA
E) MANOVA

F) A) and B)
G) A) and C)

Correct Answer

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B

Question 3

Multiple Choice

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For the questions that follow, identify which procedure you would use for each of the given scenarios. -Donald is interested in whether blondes, brunettes, and redheads differ 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?

Post hoc tests are:

For the questions that follow, identify which procedure you would use for each of the given scenarios. -Ben is interested in the relationship between college professors' 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.