Which Test Should I Use, And Why? Verified Test Bank Ch.16

Chapter 16

Test Bank

Type: true-false

Title: Chapter 16 Question 01

1. True or False: Since computers can handle more complex calculations, you can be assured that any data fed into the computer will produce meaningful conclusions.

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a) True

b) False

Type: true-false

Title: Chapter 16 Question 02

2. True or False: Responses measured with a Likert scale can be treated as interval or ordinal data.

Feedback: Page reference: p2

a) True

b) False

Type: true-false

Title: Chapter 16 Question 03

3. True or False: When a correlation between two variables exists, that means that the means of both variables are significantly different.

Feedback: Page reference: ch13

a) True

b) False

Type: true-false

Title: Chapter 16 Question 04

4. True or False: A correlation is a method of analyzing qualitative data.

Feedback: Page reference: ch13

a) True

b) False

Type: true-false

Title: Chapter 16 Question 05

5. True or False: The independent samples t-test can compare the means of up to three independent groups.

Feedback: Page reference: ch10

a) True

b) False

Type: true-false

Title: Chapter 16 Question 06

6. True or False: If you would like to compare the means of more than two groups that are not independent from each other, you should use ANOVA.

Feedback: Page reference: ch11

a) True

b) False

Type: true-false

Title: Chapter 16 Question 07

7. True or False: Parametric tests have assumptions that do not exist in non-parametric tests.

Feedback: Page reference: ch15

a) True

b) False

Type: true-false

Title: Chapter 16 Question 08

8. True or False: If you have ordinal data but a sample size that is large enough, you can use a parametric test.

Feedback: Page reference: ch15

a) True

b) False

Type: true-false

Title: Chapter 16 Question 09

9. True or False: The Spearman rank-ordered correlation coefficient is an example of a non-parametric statistic.

Feedback: Page reference: ch13

a) True

b) False

Type: true-false

Title: Chapter 16 Question 10

10. True or False: Parametric tests are used when the groups being compared are independent of each other.

Feedback: Page reference: ch15

a) True

b) False

Type: true-false

Title: Chapter 16 Question 11

11. True or False: Tests that involve nominal data are the same as tests that involve ratio data.

Feedback: Page reference: ch2

a) True

b) False

Type: true-false

Title: Chapter 16 Question 12

12. True or False: If Marcy wants to know whether there is a significant difference between three groups with ordinal data, she should use the three-way ANOVA.

Feedback: Page reference: ch11

a) True

b) False

Type: true-false

Title: Chapter 16 Question 13

13. True or False: The Pearson correlation coefficient allows you to test the interaction between two variables.

Feedback: Page reference: ch13

a) True

b) False

Type: true-false

Title: Chapter 16 Question 14

14. True or False: If Enrica wants to examine the interaction between two variables, she can use the one-way ANOVA.

Feedback: Page reference: ch15

a) True

b) False

Type: true-false

Title: Chapter 16 Question 15

15. True or False: If Judy wants to compare two means that are drawn from different samples, she should use the independent samples t-test.

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a) True

b) False

Type: true-false

Title: Chapter 16 Question 16

16. True or False: Parametric tests give you a p-value, while non-parametric tests do not.

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a) True

b) False

Type: true-false

Title: Chapter 16 Question 17

17. True or False: If Cynthia wants to compare a set of five independent means, she can use the one-way ANOVA.

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a) True

b) False

Type: true-false

Title: Chapter 16 Question 18

18. True or False: If Lianna wants to compare a sample mean to the population mean and she knows the population standard deviation, she should use the z-test.

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a) True

b) False

Type: true-false

Title: Chapter 16 Question 19

19. True or False: The type of test that you choose should take into consideration both the hypotheses and the type of outcome variable.

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a) True

b) False

Type: true-false

Title: Chapter 16 Question 20

20. True or False: If your outcome variable is interval, you will end up using a different type of test than if your outcome variable is ratio.

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a) True

b) False

Type: multiple choice question

Title: Chapter 16 Question 01

1. An independent samples t-test allows you to test…

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a. Whether the two samples are related

b. Whether two means are different from one another

c. Whether subjects in a sample differ from the population mean on average

d. Whether samples in a sample differ from a normal distribution

Type: multiple choice question

Title: Chapter 16 Question 02

2. A one-sample t-test allows you to test…

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a. Whether the two samples are related

b. Whether two means are different from one another

c. Whether subjects in a sample differ from the population mean on average

d. Whether samples in a sample differ from a normal distribution

Type: multiple choice question

Title: Chapter 16 Question 03

3. A dependent samples t-test allows you to test…

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a. Whether a difference between two related samples exists

b. Whether two means are different from one another

c. Whether subjects in a sample differ from the population mean on average

d. Whether samples in a sample differ from a normal distribution

Type: multiple choice question

Title: Chapter 16 Question 04

4. Gianna wants to find out if the intelligence scores of a group of students on a gluten-free diet is different from the average intelligence of students on a non-gluten-free diet. What test is most suited to Gianna’s research?

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a. A correlation

b. A z-test

c. An independent samples t-test

d. A dependent samples t-test

Type: multiple choice question

Title: Chapter 16 Question 05

5. Finding the correlation between two variables allows you to…

Feedback: Page reference: ch13

a. Establish whether there is a difference between the means of the effects of both variables

b. Establish whether subjects in a sample differ from the population mean on average

c. Establish whether there is a meaningful relationship between the two variables

d. None of the above

Type: multiple choice question

Title: Chapter 16 Question 06

6. Diana is running a dependent samples t-test. She is interested in:

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a. Whether two means are different from one another

b. Whether a difference between two related samples exists

c. Whether her subjects differ from the population mean on average

d. Whether her samples differ from a normal distribution

Type: multiple choice question

Title: Chapter 16 Question 07

7. Ben would like to compare two independent sample means. He can use:

Feedback: Page reference: p3

a. ANOVA only

b. Independent samples t-test only

c. ANOVA or independent samples t-test

d. Chi-square test only

Type: multiple choice question

Title: Chapter 16 Question 08

8. Jennifer would like to compare two means generated from twin samples where each twin in a pair belonged to a different group from the other twin. She can use:

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a. Repeated measures ANOVA only

b. Dependent samples t-test only

c. Repeated measure ANOVA or dependent samples t-test

d. Chi-square test only

Type: multiple choice question

Title: Chapter 16 Question 09

9. Fred would like to compare a sample mean to the population mean but he does not know the population standard deviation. He can use:

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a. Independent samples t-test

b. One-sample t-test or ANOVA

c. One-sample t-test only

d. Z-test or one-sample t-test

Type: multiple choice question

Title: Chapter 16 Question 10

10. Fanny would like to simultaneously compare the means of three independent groups. She can use:

Feedback: Page reference: p3

a. ANOVA only

b. Independent samples t-test only

c. ANOVA or independent samples t-test

d. Chi-square test only

Type: multiple choice question

Title: Chapter 16 Question 11

11. William hypothesizes that money spent on shopping decreases with age for individuals over 60. He should test his hypothesis with:

Feedback: Page reference: ch13

a. The z-test

b. The Pearson correlation coefficient

c. The single-sample t-test

d. The Wilcoxon signed-rank t-test

Type: multiple choice question

Title: Chapter 16 Question 12

12. For which of the following research questions is the use of the Pearson correlation coefficient appropriate?

Feedback: Page reference: ch13

a. Peter wants to find whether the means of two independent groups are significantly different.

b. Joyce wants to find out whether the means of two dependent groups are significantly different.

c. Bryan wants to find out whether the mean of his observed sample is significantly different from the population.

d. None of the above

Type: multiple choice question

Title: Chapter 16 Question 13

13. Which of the following is a test that makes parametric assumptions?

Feedback: Page reference: ch9

a. One-way chi-square test

b. Spearman rank-ordered correlation coefficient

c. Mann-Whitney U-test

d. Z-test

Type: multiple choice question

Title: Chapter 16 Question 14

14. Which of the following is true about the Pearson correlation coefficient and the Spearman rank-ordered correlation coefficient?

Feedback: Page reference: ch13

a. Both tests make the same assumptions.

b. Both tests deal with ordinal data.

c. Both tests can produce a negative coefficient.

d. None of the above.

Type: multiple choice question

Title: Chapter 16 Question 15

15. The Spearman rank-ordered correlation coefficient is to the Pearson correlation coefficient as the Mann-Whitney U test is to…

Feedback: Page reference: ch15, ch10

a. Z-test

b. One-sample t-test

c. Independent samples t-test

d. One-way chi-square test

Type: multiple choice question

Title: Chapter 16 Question 16

16. What is the parametric alternative to the matched samples t-test?

Feedback: Page reference: ch10, ch15

a. The independent samples t-test

b. The Wilcoxon signed-rank t-test

c. The one-way chi-square test

d. The Mann-Whitney U-test

Type: multiple choice question

Title: Chapter 16 Question 17

17. Which of the following tests assumes that the Central Limit Theorem is true?

Feedback: Page reference: ch11

a. ANOVA

b. Wilcoxon signed-rank test

c. Chi-square test

d. Mann-Whitney U-test

Type: multiple choice question

Title: Chapter 16 Question 18

18. Heidi is studying the effects of vitamin supplements and gender on infant growth. She would like to find out if it is true that vitamin supplements influence the growth of male infants but not female infants. Which of the following tests is most suitable for Heidi’s study?

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a. One-way ANOVA

b. Two-way ANOVA

c. Independent samples t-test

d. Dependent samples t-test

Type: multiple choice question

Title: Chapter 16 Question 19

19. If you are conducting research and do not know the standard deviation of the underlying population, which of the tests below would you immediately not be able to use?

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a. Single-sample t-test

b. One-way ANOVA

c. Any non-parametric test

d. Z-test

Type: multiple choice question

Title: Chapter 16 Question 20

20. If you are conducting research and do not know the mean of the underlying population, which of the tests below would you immediately not be able to use?

Feedback: Page reference: p3

a. Pearson correlation coefficient

b. One-way ANOVA

c. Single-sample t-test

d. Mann-Whitney U-test

Type: multiple choice question

Title: Chapter 16 Question 21

21. The one-way chi-square tests the…

Feedback: Page reference: ch14

a. Frequency of discrete outcomes

b. Difference between sample means

c. Relationship between two variables

d. None of the above

Type: multiple choice question

Title: Chapter 16 Question 22

22. What is an additional feature of the two-way ANOVA that is not present in a one-way ANOVA?

Feedback: Page reference: ch11

a. A two-way ANOVA allows you to examine the relationship between two variables.

b. A two-way ANOVA allows you to examine multiple levels of a single variable.

c. A two-way ANOVA allows you to examine whether the effects of a variable on the outcome measure depends on the levels of another variable.

d. A two-way ANOVA allows you to examine whether the effects of two variables on an outcome variable are independent from each other.

Type: multiple choice question

Title: Chapter 16 Question 23

23. What is a difference between the two-way chi-square test and the two-way ANOVA?

Feedback: Page reference: ch11

a. The two-way chi-square test assumes that the central limit theorem is true while the two-way ANONA does not.

b. The two-way chi-square test produced a p-value while the two-way ANOVA does not.

c. The two-way chi-square test allows you to test the interaction of interval data while the two-way ANOVA does not.

d. None of the above.

Type: multiple choice question

Title: Chapter 16 Question 24

24. Ava is studying the effects of maternal alcohol consumption on infant development. She asks a sample of mothers how many drinks they have a week and then has a pediatric nurse score the behavioral development of the infant on a Likert scale. Which of the following tests is most suitable for Ava’s use?

Feedback: Page reference: ch13, p3

a. Independent samples t-test

b. Dependent samples t-test

c. Two-way ANOVA

d. Pearson correlation coefficient

Type: multiple choice question

Title: Chapter 16 Question 25

25. Which of the following tests will allow you to answer a research question that involves an interaction between two variables on an ordinal outcome?

Feedback: Page reference: ch11

a. Two-way ANOVA

b. One-way ANOVA

c. Two-way chi-square test

d. One-way chi-square test

Type: essay/short answer question

Title: Chapter 16 Question 01

1. Phoebe wants to know if feeding a new type of medicine to rats will cause them to learn how to run a maze more quickly. She has a sample of 20 rats and randomly assigns ten to the new medicine and ten to a placebo. She then records the time, in seconds, taken by each rat to complete a maze. What test should Phoebe use for her study? Why?

Type: essay/short answer question

Title: Chapter 16 Question 02

2. List three examples of parametric tests and three examples of non-parametric tests. Briefly state why you would use one group of tests but not the other.

Type: essay/short answer question

Title: Chapter 16 Question 03

3. If you would like to test whether the means from three groups that are dependent on each other differ, what test would you use? Why?

Type: essay/short answer question

Title: Chapter 16 Question 04

4. Kelly would like to know if the mean of her sample is significantly different from the population mean. What test should she use? Why?

Type: essay/short answer question

Title: Chapter 16 Question 05

5. Estelle would like to find out if there is a trend between two variables, both of which are on an interval scale. What test should she use? Why?