In one-way ANOVA, _____________ is used to determine which of given groups differ from each other.

• A) F test
• B) Post hoc test
• C) T test
• D) Levene’s test

In which of the following cases an independent-samples t-test would not be appropriate?

• A) Comparing younger and older adults level of teamwork
• B) Comparing men and women's IQ on one occasion
• C) Comparing the attitudes of Eastern and Western individuals
• D) Comparing students attitude change between the start and end of their degree

What does ANOVA calculate?

• A) F ratios
• B) T-scores
• C) R ratios
• D) Z-scores

Which of the following errors determine how much difference is reasonable to expect between a sample mean (M) and the population mean (μ)?

• A) Standard error of estimate
• B) Standard error
• C) Type I error
• D) Type II error

In ANOVA, difference exists between the treatment conditions is termed as:

• A) Treatment variance
• B) No treatment variance
• C) Within treatments variance
• D) Between-treatments variance

In independent measures research design how many sets of data could come from completely separate groups of participants?

• A) 2
• B) 4
• C) 5
• D) 3

A z-score requires which of the following values to compute the standard error?

• A) Population standard error of estimate
• B) Population standard deviation
• C) Sample standard error of estimate
• D) Sample standard deviation

Which of the following statistical tests will be considered, If a researcher wants to know whether exam performance differs based on test anxiety levels among students, dividing students into three independent groups (e.g., low, medium and high-stressed students)?

• A) T test
• B) Anova
• C) Z test
• D) F test

In which of the following cases could you use a paired-samples t-test?

• A) When comparing men and women's scores
• B) When comparing the same participants performance before and after training
• C) When comparing two separate groups
• D) When assessing three groups or more

What is the alternative name for a repeated-measures t-test?

• A) Pearson's Product-Moment
• B) A paired-samples t-test
• C) A Wilcoxon test
• D) Spearman's Rho

In within-subject design, dependent variable is measured ___________ times for each individual in a single sample.

• A) Two
• B) Three
• C) One
• D) Four

The one-way analysis of variance (ANOVA) is used to determine whether there are any statistically significant differences between the means of __________independent (unrelated) groups.

• A) One
• B) Two or more
• C) Less than two
• D) Two

A group of 10 students was randomly drawn from class 12 and was given yoga training for three weeks. Their wellness life style was compared with another similarly selected group which did not undergo such training. Which type of statistical test will be appropriate for testing the tenability of null hypothesis?

• A) Independent t-test
• B) Sign test
• C) Post hoc test
• D) Wilcoxon T-test

Alternative name of independent measures research design is:

• A) Between-subject design
• B) Repeated measure-subject design
• C) Within-subject design
• D) Paired sample -subject design

In research if two sets of data could come from two completely separate groups of participants. Which type of statistical tests will be appropriate for testing the tenability of null hypothesis?

• A) Post hoc test
• B) Repeated measure
• C) Independent t-test
• D) Wilcoxon T-test

ANOVA or F-test is also robust to moderate departures from normality when sample sizes are reasonably _______________ and are equal.

• A) Small
• B) Skewed
• C) Moderate
• D) Large

For two-way ANOVA, we calculate ___________ kinds of degrees of freedom.

• A) Two
• B) Three
• C) One
• D) Four

Which of the following is an advantage of ANOVA?

• A) All of the above
• B) It decides if the population mean is equal to a specific value or not
• C) It cannot tolerate data that is non-normal
• D) It performs all three comparisons simultaneously in one hypothesis test

The process of constructing a mathematical model or function that can be used to predict or determine one variable by another variable is called:

• A) Regression
• B) Correlation
• C) Residual
• D) Outlier plot

Which of the following is NOT an application of correlation coefficient?

• A) Prediction
• B) Variation
• C) Validity
• D) Reliability