Psyc 420 Final Exam -Test Part: Post Multiple Choice Questions 2021/2022
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Course
Psyc 420
Institution
University Of South Africa
Psyc 420
Final Exam -Test
Part: Post
Multiple Choice Questions
2021/2022
1. A statistic that indicates the degree to which two variables are related to one another in a linear fashion is
called a(n) ________
a. P-value
b. Covariate
c. Correlation coefficient
d. Extraneous variable
2. The...
psyc 420 final exam test part post multiple choice questions 20212022
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University of South Africa
Psyc 420
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Psyc 420
Final Exam -Test
Part: Post
Multiple Choice Questions
2021/2022
, 1. A statistic that indicates the degree to which two variables are related to one another in a linear fashion is
called a(n) ________
a. P-value
b. Covariate
c. Correlation coefficient
d. Extraneous variable
2. The probability of making a Type 1 error can also be expressed as:
a. p > 0.05
b. p < 0.05
c. p = 0.05
d. p > 0.01
3. Which of the following statements is NOT TRUE regarding the strength of the relationship between two
variables:
a. If r = 0, the variables are unrelated
b. If r = .30, the variables have a moderate relationship
c. If r = -1, the variables have no relationship
d. If r = .50, the variables have a strong relationship
4. Which of the following statements is TRUE?
a. The equation for a line is Y=beta0 + beta1(x) where:
i. Y is the dependent variable
ii. X is the independent variable
iii. Beta0 is the intercept of the line
iv. Beta1 is the slope of the line
b. The equation for a line is Y=beta0 + beta1(x) where:
i. Y is the independent variable
ii. X is the dependent variable
iii. Beta0 is the intercept of the line
iv. Beta1 is the slope of the line
c. The equation for a line is Y=beta0 + beta1(x) where:
i. Y is the dependent variable
ii. X is the independent variable
iii. Beta0 is the slope of the line
iv. Beta1 is the intercept of the line
d. The equation for a line is Y=beta0 + beta1(x) where:
i. Y is the dependent variable
ii. X is the slope variable
iii. Beta0 is the intercept of the line
iv. Beta1 is the p-value of the line
5. A scientist has concluded that two variables are significantly correlated when in fact they are not. He has
a. made a Type 1 error.
b. miscalculated the p-value.
c. a small effect size.
d. low statistical power.
6. The stronger the relationship between two variables,
a. The larger the sample size.
1
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