20 Questions

Quantitative Research Methods + UOPX RES750 material

Questions and Answers

- 1.A true, absolute zero exists for which level of measurement?
- A.
Nominal

- B.
Ordinal

- C.
Interval

- D.
Ratio

- 2.You spent 30% of your HR budget on benefits three years ago, 35% two years ago, and 40% last year. When was the most money spent on benefits?
- A.
Three years ago

- B.
Two years ago

- C.
Last year

- D.
It cannot be determined from the information provided

- 3.You have been given the task of examining the effect of a pay-for-performance project on employee productivity. You have obtained a “productivity rating score” for all program participants. Which of the following best describes your data?
- A.
The data represent a sample.

- B.
The data represent a population.

- C.
Productivity rating scores only produce nominal data.

- D.
Productivity rating scores always produce ordinaal data.

- 4.What is the mode for the following set of numbers? 15, 18, 13, 19, 25, 24, 26, 14, 25, 35, 12, 99, 54, 13, 22, 19 and 13
- A.
19

- B.
26

- C.
24

- D.
13

- 5.A range can best be described as which of the following?
- A.
The central tendency of values between data points.

- B.
The difference between the maximum and minimum value in a data set.

- C.
A tool used to measure the difference in a data set based on the middle 50%.

- D.
The only measure of variability appropriate for ratio data.

- 6.What type of regression model does the following equation suggest? y = a + b1x1
- A.
Multiple factor regression.

- B.
Nonlinear regression.

- C.
Bivariate regression.

- D.
Curvilinear regression.

- 7.How does quantitative research facilitate qualitative research?
- A.
Quantitative research identifies the groups of people that must be interviewed.

- B.
Quantitative research increases the chances that people will take part in an interview.

- C.
Quantitative research balances positivist and post-positivist research approaches.

- D.
Quantitative research balances positivist and post-positivist research approaches.

- 8.Which of the following correlations indicates the weakest relationship?
- A.
+.10

- B.
+.83

- C.
-.74

- D.
-.21

- 9.A statement that predicts a cause-and-effect relationship between variables is known as the _____________.
- A.
Null hypothesis.

- B.
Experimental hypothesis.

- C.
Independent variable.

- D.
Dependent variable.

- 10.What is the mean of the following numbers: 2, 7, 6, 5, 4, 2, 8, 9 ,1, 6
- A.
2

- B.
4

- C.
5

- D.
7

- 11.C
*orrelation coefficient*provides all of the following information,*except*:- A.
Whether or not there is a relationship between the variables.

- B.
The strength of the relationship between the variables.

- C.
The cause of the relationship between the variables.

- D.
The direction of the relationship between the variables.

- 12.Another name for a bar graph is:
- A.
Polygon

- B.
Histogram

- C.
Normal curve

- D.
Line graph

- 13.A table that shows how often different scores appear in a set of scores is called a frequency:
- A.
Polygon

- B.
Histogram

- C.
Normal curve

- D.
Distribution

- 14.All the following are components required for estimating power (1-beta) of a study, EXCEPT
- A.
The population effect size

- B.
Sample size

- C.
Level of significance (alpha)

- D.
Standard deviation

- 15.When doing power analysis in ANOVA context, the estimate of
*effect size*is- A.
Eta-squared

- B.
Correlation coefficient

- C.
Standard Error

- D.
Chi-squire value

- 16.Analysis of Variance (ANOVA) test is used to
- A.
Test the difference between two independent group means

- B.
Test the difference between two related group means

- C.
Test the difference among the means of 3+ independent groups

- D.
Test the difference in ranks of scores of 3+ independent groups

- 17.Effect size is used to calculate:
- A.
Reliability

- B.
Sample size

- C.
Internal consistency

- D.
Predictive validity

- 18.The
*F-statistic*is calculated in:- A.
ANOVA

- B.
T-test

- C.
Correlation analysis

- D.
Chi-squire test

- 19.Which of the following is a nonparametric "Analysis of Variance"?
- A.
Mann-Whitney U test

- B.
Wilcoxon Rank test

- C.
Kruskal-Wallis test

- D.
Friedman's test

- 20.Chi-square test is used to test:
- A.
Difference in proportions

- B.
Difference in means of two independent variables

- C.
Relationship between two bivariate variables

- D.
Difference in means of three or more set of variables