SOC201 Quiz 3

Q1. Which assumption ensures that measurements from one participant are not influenced by another?

1. Equal variances
2. Random sampling
3. Normality
4. Independence of observations

Correct answer: Independence of observations

Q2. In research, Ho is used to state____________ statistically

1. Null hypothesis
2. Alternate hypothesis
3. No hypothesis
4. All hypothesis

Correct answer: Null hypothesis

Q3. While using SPSS, in which of the following view, the researcher selects the level of measurement of each variable?

1. Data view
2. Comment box
3. Dialogue box
4. Variable view

Correct answer: Variable view

Q4. Higher variability can __________the chances of finding a significant treatment effect in a hypothesis test.

1. Deviate
2. Increase
3. Not change
4. Decrease

Correct answer: Decrease

Q5. Which is an assumption of independent-sample t-test?

1. Different variances
2. Skewed populations
3. Independent observations
4. Dependent observations

Correct answer: Independent observations

Q6. In SPSS, the correlation coefficient ranges from –1 to 1. This value indicates the ______________between two variables.

1. Coefficients of the variables
2. Significance level
3. Inverse relationship
4. Strength of the relationship

Correct answer: Strength of the relationship

Q7. In ANOVA, the dependent variable should be:

1. On ordinal Scale
2. Measured on interval or ratio scale
3. On categorical scale
4. On nominal Scale

Correct answer: Measured on interval or ratio scale

Q8. Why is the independent-samples t-test widely used?

1. It ignores population assumptions
2. Most studies compare two separate groups
3. It requires only one group
4. It compares more than two means

Correct answer: Most studies compare two separate groups

Q9. In research, which of the following is a measure of the stability or consistency of test scores?

1. Reliability
2. Non-probability
3. Validity
4. Probability

Correct answer: Reliability

Q10. If an alpha level of .05 is used, that means the researcher is taking a ___________ risk of committing a Type I error.

1. 5%
2. 7%
3. 10%
4. 6%

Correct answer: 5%