MCQ Bank
In correlation, variables are usually labeled as:
- A) X and Y
- B) P and Q
- C) M and N
- D) A and B
A one-directional relationship between two variables is known as:
- A) None of the given option
- B) Bitonic
- C) Monotonic
- D) Polytonic
What does r = .77 indicate?
- A) No relationship
- B) Strong positive relationship
- C) Negative relationship
- D) Weak relationship
In which of the following type of correlation, the two variables tend to change in the same direction?
- A) Positive correlation
- B) Positive & negative both correlation
- C) Neither positive nor negative correlation
- D) Negative correlation
When do we use one-tailed test in correlation?
- A) When direction is predicted
- B) When n is small
- C) When r = 0
- D) No prediction
Which of the following type of ANOVA in SPSS allows us to look at the individual and joint effect of two independent variables on one dependent variable?
- A) Simple-Factorial-ANOVA
- B) Three-Way-Factorial ANOVA
- C) Two-Way-Factorial ANOVA
- D) One-Way-Factorial ANOVA
To run one-way ANOVA in SPSS, from the menu at the top of the screen, click on:
- A) Analyze >General Linear Model >Univariate
- B) Analyze >Particular Linear Model >Univariate
- C) Analyze >Important Linear Model >Univariate
- D) Analyze > Specific Linear Model >Univariate
Spearman correlation measures:
- A) Variance
- B) Exact values
- C) Mean differences
- D) Consistency of relationships
Which test is used to check significance of correlation?
- A) Hypothesis test using r
- B) Z-test
- C) ANOVA
- D) Chi-square
The Pearson correlation is identified by the letter:
- A) $P$
- B) $r$
- C) $n$
- D) $s$
Which of the following research design investigates the relationship between variables without the researcher controlling or manipulating any of them?
- A) A correlational research design
- B) Associational research design
- C) Descriptive research design
- D) Experimental research design
Which of the following type of correlation measures the degree of straight-line relationship among variables?
- A) Pearson correlation
- B) Only negative correlation
- C) Only inverse correlation
- D) Only positive correlation
In two-way factorial ANOVA, independent variables are always:
- A) Nominal & categorical
- B) Ordinal and Interval
- C) Neither nominal nor categorical
- D) Just nominal not categorical
Why can correlation not prove causation?
- A) It does not involve manipulation or control
- B) It uses graphs
- C) It measures mean
- D) It uses two variables
To run _____________, researcher needs two variables I.e. both continuous, or one continuous and the other dichotomous.
- A) Manual correlation
- B) Regression
- C) Correlation in SPSS
- D) Chi square
In which of the following type of ANOVA in SPSS, there are two independent variables?
- A) Simple-Factorial-ANOVA
- B) One-Way-Factorial ANOVA
- C) Two-Way-Factorial ANOVA
- D) Three-Way-Factorial ANOVA
When coding variables in SPSS, assigning numeric values like 1 and 2 is necessary to:
- A) Simplify continuous variables
- B) Eliminate missing values
- C) Avoid descriptive statistics
- D) Allow SPSS to recognize categorical data
In correlation, the consistency of the relationship is measured by the:
- A) Numerical value
- B) Assumptions
- C) Qualitative value
- D) Characteristics
If interaction effect is not significant, what can be interpreted easily?
- A) Main effects
- B) Only mean
- C) Only interaction
- D) Only variance
Point-biserial correlation is used when:
- A) Both are on continuous scale
- B) Both are on nominal scale
- C) One variable is continuous and the other is dichotomous
- D) Both variables are ordinal scale based