Correlations Chapter 15 Test Bank Docx

Chapter 15: Correlations

Test Bank

Type: multiple choice question

Title: Chapter 15 Question 1

1) If we were to write up our correlational finding based on 45 participants, then what would be our degrees of freedom?

a. 45

b. 44

c. 46

d. 43

Type: multiple choice question

Title: Chapter 15 Question 2

2) If a journal paper reports the APA statistic of the correlation between neuroticism and stress as (r (48) = .16, p = .092), then what does this mean?

a. As neuroticism increases, levels of stress increase.

b. There is no relationship between neuroticism and stress.

c. There is a non-linear relationship between neuroticism and stress.

d. As neuroticism increases, levels of stress decrease.

Type: multiple choice question

Title: Chapter 15 Question 3

3) If we wanted to graph our significant correlation finding, what would be the most appropriate graph?

a. Box plot

b. Scatterplot

c. Bar chart

d. Pie chart

Type: multiple choice question

Title: Chapter 15 Question 4

4) If our data is non-parametric, then what would be the most suitable correlational analysis?

a. Partial correlation

b. Pearson’s correlation

c. Spearman’s correlation

d. Multiple regression

Type: multiple choice question

Title: Chapter 15 Question 5

5) A partial correlation shows…

a. if two variables are related after taking into account a confounding variable.

b. if a confounding variable is correlated with other variables.

c. if two variables are related before taking into account a confounding variable.

d. if two variables are correlated in a non-linear fashion.

Type: multiple choice question

Title: Chapter 15 Question 6

6) If we wanted to assess the relationship between intelligence and salary for males and females separately then what would be the most appropriate analysis?

a. Split file by gender and run a correlation.

b. Run a partial correlation using gender as a control variable.

c. You cannot test this.

d. Run a Pearson’s correlation between gender, intelligence, and salary.

Type: multiple choice question

Title: Chapter 15 Question 7

7) Which of the following is true about r values?

a. They can only range from 0 to 1.

b. They must be a positive number.

c. They must be less than .05.

d. They can only range from -1 to +1.

Type: multiple choice question

Title: Chapter 15 Question 8

8) If we wanted to assess for the relationship between eye colour (green/blue/brown) and mood scores, then what analysis would be most suitable?

a. Pearson’s correlation

b. Spearman’s correlation

c. Partial correlation

d. We cannot test this with a correlation.

Type: multiple choice question

Title: Chapter 15 Question 9

9) A researcher finds that the correlation between aggression and empathy is r=-.24, what is the size of this effect?

a. Huge

b. Medium

c. Small

d. Large

Type: multiple choice question

Title: Chapter 15 Question 10

10) If we wanted to know whether two correlations significantly differ from each other we would need to…

a. calculate a z score.

b. subtract the r values from each other.

c. look at the differences in the p values.

d. multiply the r values together.

Type: multiple choice question

Title: Chapter 15 Question 11

11) What is the correlation (r value) between cognitive ability and hours per week spent in nature?

a. .45

b. .14

c. .002

d. .19

Type: multiple choice question

Title: Chapter 15 Question 12

12) How would you describe the relationship between cognitive ability and connectedness to nature?

a. A significant positive correlation

b. A significant negative correlation

c. A not significant positive correlation

d. No correlation

Type: multiple choice question

Title: Chapter 15 Question 13

13) When looking at the relationship between cognitive ability and hours per week spent in nature, how does the r value for the partial correlation change from the Pearson’s correlation?

a. The Pearson’s correlation is smaller.

b. The partial r value is smaller.

c. The r values are the same.

d. The r value switches from being positive to being negative.

Type: multiple choice question

Title: Chapter 15 Question 14

14) Looking at children who live in urban environments, how would you describe the findings?

a. Both of the nature variables are negatively correlated with cognitive ability (attention).

b. Only the hours per week spent in nature variable is correlated with cognitive ability (attention).

c. Both of the nature variables are positively correlated with cognitive ability (attention).

d. Only the connectedness with nature variable is correlated with cognitive ability (attention).

Type: multiple choice question

Title: Chapter 15 Question 15

15) Looking at children who live in rural environments, how would you describe the findings?

a. Both of the nature variables are positively correlated with cognitive ability (attention).

b. Only the hours per week spent in nature variable is correlated with cognitive ability (attention).

c. Only the connectedness with nature variable is correlated with cognitive ability (attention).

d. Both of the nature variables are negatively correlated with cognitive ability (attention).