Question: If you have a research scenario in which the IV has three or more levels and is between subjects in nature with a quantitative DV, then you would use the One-Way Repeated Measures ANOVA.
Answer Choices:
A. True
B. False
Answer: B – False
Question: Based on the summary table in Question 1, what is the CV you would use to test the F ratio assuming α = .05?
Answer Choices:
A. 4.11
B. 7.59
C. 4.10
D. 4.13
Answer: A – 4.11
Question: Based on the summary table in Question 1, how many participants were in this study?
Answer Choices:
A. 36
B. 29
C. 40
D. 41
Answer: A – 36
Question: Based on the summary table in Question 1, how would you interpret the effect size of Factor A?
Answer Choices:
A. small
B. medium
C. large
D. cannot tell with information provided
Answer: C – large
Question: Based on the summary table in Question 1, would you perform a Tukey HSD test to examine the simple effects for the interaction term (A x B)?
Answer Choices:
A. Yes
B. No
C. cannot tell with information provided
Answer: A – Yes
Question: In a 2 x 2 x 2 Between Subjects ANOVA, how many total groups are there?
Answer Choices:
A. 1
B. 2
C. 3
D. 4
Answer: D – 4
Question: Participants in a repeated measures design are exposed to
Answer Choices:
A. all levels of the independent variable.
B. only one level of the independent variable.
C. a variable number of the levels of the independent variable.
D. none of the above.
Answer: A – all levels of the independent variable.
Question: Given N = 40 and K = 4, what would be your degrees of freedom for a One Way Between Subjects ANOVA design?
Answer Choices:
A. 3, 36
B. 3, 40
C. 3, 39
D. 4, 40
Answer: A – 3, 36
Question: Which of the following represents the strongest correlation?
Answer Choices:
A. .10
B. 0
C. -.55
D. -.74
Answer: D – -.74
Question: Which of the following represents the weakest correlation?
Answer Choices:
A. .92
B. -.44
C. .15
D. .80
Answer: C – .15
Question: You read a social media post explaining the correlation (i.e., Pearson’s r) between ice cream sales and number of violent felonies committed in the month of July. The article author concludes ice cream causes murder. What is wrong with this conclusion?
Answer Choices:
A. The researcher used the wrong statistical test.
B. Correlation does not imply causation.
C. Number of felonies is not a quantitative variable.
D. These data are qualitative and thus cannot be used to calculate a Pearson’s r.
Answer: B – Correlation does not imply causation.
Question: A company that produces table salt is interested in showing that moderate amounts of salt do not adversely affect blood pressure. Thirty participants are randomly assigned to one of two groups: a diet containing no salt or a diet consisting of a small amount of salt. What is the best statistical test to conduct?
Answer Choices:
A. independent groups t-test
B. correlated groups t-test
C. Pearson’s r
D. none of the above
Answer: A – independent groups t-test
Question: A social psychologist is interested in whether or not thinking about one’s death has a negative effect on prejudice toward out-groups based on one’s political affiliation. The researcher randomly assigns an equal number of conservatives and liberals to experience either a control condition or a death-prime condition. What is the best statistical test to conduct?
Answer Choices:
A. One Way Between Subjects ANOVA
B. One Way Repeated Measures ANOVA
Answer: A – One Way Between Subjects ANOVA
Question: An educational psychologist thinks that the children in her gifted program have higher IQs than the average child (μ = 100, σ = 15). The average IQ in the gifted program is 123. What is the best statistical test to conduct?
Answer Choices:
A. one sample t-test
B. one sample z-test
C. One Way Between Subjects ANOVA
D. One Way Repeated Measures ANOVA
Answer: B – one sample z-test
Question: Knock-out mice were assessed for maze performance (number of wrong turns) after having surgery to remove genetic information pertaining to memory. All mice are subjected to three different types of mazes: easy, moderate, and difficult. What is the best statistical test to conduct?
Answer Choices:
A. independent groups t-test
B. unrelated groups t-test
C. One Way Between Subjects ANOVA
D. One Way Repeated Measures ANOVA
Answer: D – One Way Repeated Measures ANOVA
Question: Mr. Rogers believes that as people age they are less willing to spend money on clothes. He asks twenty individuals their age and the amount of money they will spend on clothing in a six-month period. What is the best statistical test to conduct?
Answer Choices:
A. independent groups t-test
B. correlated groups t-test
C. Pearson’s r
D. one sample z-test
Answer: C – Pearson’s r
Question: A local beer company wants to produce a new Double IPA to feature in their regular rotation. Three recipes are created, each one the same but varying in terms of the type of finishing hop used for aroma: Citra, Mosaic, or Nelson Sauvin. In order to avoid carry-over effects, willing consumers are randomly assigned to receive a six-ounce pour of only one of the three beers. What is the best statistical test to conduct?
Answer Choices:
A. one sample t-test
B. correlated groups t-test
C. One Way Between Subjects ANOVA
D. One Way Repeated Measures ANOVA
Answer: C – One Way Between Subjects ANOVA
Question: A marketer is trying to decide between two different types of packaging: either with black font or blue font. In order to make a decision, the marketer surveys thirty different people regarding their font preferences. He asks each participant to evaluate both of the packages on a scale of 1 (do not like font at all) to 5 (like the font very much). What is the best statistical test to conduct?
Answer Choices:
A. independent groups t-test
B. correlated groups t-test
C. one sample t-test
D. One Way Between Subjects ANOVA
Answer: B – correlated groups t-test
Question: The Virginia Highway patrol is interested in determining if concentration affects driving speed. They randomly assign a group of drivers to either intermittently look at a cell phone or to not look at a cell phone. They then install a monitoring device that will record their driving speed at randomly determined intervals on a local interstate. What is the best statistical test to conduct?
Answer Choices:
A. independent groups t-test
B. correlated groups t-test
C. One Way Between Subjects ANOVA
D. One Way Repeated Measures ANOVA
Answer: C – One Way Between Subjects ANOVA
Question: A social scientist is comparing sample data regarding the number of cars owned per household in a given city. The known average car owned per household is 1.35. What is the best statistical test to conduct?
Answer Choices:
A. 2 x 2 Between Subjects ANOVA
B. independent groups t-test
C. one sample z-test
D. one sample t-test
Answer: D – one sample t-test