MCQ Bank
Which SPSS option provides descriptive statistics and homogeneity of variance test?
- A) Post Hoc menu
- B) Options button
- C) Graphs menu
- D) Transform menu
In one sample t-test usually one standard value is given and researcher compares the ____________ with that standard value.
- A) Sample mean
- B) Population size
- C) Most repeated value
- D) Independent sample
In the independent sample t-test, the dependent variable is always:
- A) Categorical variable
- B) Discrete variable
- C) Separate variable
- D) Continuous variable
Which assumption ensures that measurements from one participant are not influenced by another?
- A) Independence of observations
- B) Normality
- C) Random sampling
- D) Equal variances
When running a two-factor design in ANOVA, the study is called:
- A) Factorial design
- B) Quasi-experiment
- C) Independent samples t-test
- D) One-way ANOVA
The word “analysis” in ANOVA means:
- A) Comparing means only
- B) Summing up variances
- C) Dividing total variability into components
- D) Testing normality
What does the t statistic allow researchers to do?
- A) Estimate population variance
- B) Test only large samples
- C) Avoid using sample data
- D) Test hypotheses when population variance is unknown
If a researcher wants to compare self-esteem levels of employed vs. unemployed individuals, the independent variable is:
- A) Self-esteem
- B) Mean score
- C) Employment status
- D) Age
If the p-value from ANOVA is greater than 0.05, we:
- A) Reject the null hypothesis
- B) Fail to reject the null hypothesis
- C) Run Tukey test automatically
- D) Recode the dependent variable
Which factor increases the chances of finding a significant treatment effect?
- A) Larger sample size
- B) Lower z-scores
- C) Higher alpha
- D) Smaller variability
Changing from a regular two-tailed test to a one-tailed test __________the power of the hypothesis test.
- A) Constant
- B) Increases
- C) Decreases
- D) Falls
When research examines ANOVA having two factors or two independent variables, it is called:
- A) One-way ANOVA
- B) Three-way ANOVA
- C) Two-Way ANOVA
- D) None of the given options
Which test has more power: one-tailed or two-tailed?
- A) Neither
- B) One-tailed test
- C) Two-tailed test
- D) Both equal
While running ANOVA in SPSS, the homogeneity of variance option gives us the _____________for homogeneity of variances.
- A) t-statistics test
- B) Manual test
- C) Levene’s test
- D) z- test
Which of the following describes the number of scores in a sample that are independent and free to vary?
- A) Null hypothesis
- B) Independent variable
- C) Degrees of freedom
- D) Alternate hypothesis
SPSS ___________a researcher to test assumption before starting any statistical test.
- A) Partially allows
- B) Randomly allows
- C) Never allows
- D) Fully Allows
For ANOVA, the denominator of the F-ratio is called:
- A) The error term
- B) Standard variable
- C) Standard error
- D) Standard variance
For correcting the bias in the standard error is to combine the two sample variances into a single value is called:
- A) Standard mean
- B) Pooled variance
- C) Standard deviation
- D) Standard variance
In SPSS, where can you change the confidence interval level?
- A) Data View
- B) Transform menu
- C) Options menu
- D) Output Window
The alpha level for a hypothesis test serves _____ very important functions.
- A) Two
- B) One
- C) Three
- D) Zero