Title: Nursing Research: Reading, Using, and Creating Research
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Review Questions

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.


1:  What is the first step when analyzing quantitative data in a research study?
A: Perform a negative case analysis
B: Summarize descriptive data
C: Test the null hypothesis
D: Conduct post hoc testing

2:  When summarizing descriptive data, the statistic that is appropriate for nominal data is:
A: Mode
B: Mean
C: Standard deviation
D: Median

3:  Which statement best describes a normal distribution of data in a research study?
A: The largest proportion of values of a variable are in the middle of the distribution.
B: The largest proportion of values of a variable are in the right or left tails of the distribution.
C: The smallest proportion of values of a variable are in the middle of the distribution.
D: The proportion of values of a variable are equally distributed.

4:  Which of the following statistics is not a measure of central tendency?
A: Mean
B: Mode
C: Rho
D: Median

5:  In a research report, the mean and standard deviation of values for a variable are given. What is the relationship between the mean and standard deviation?
A: The standard deviation is the number of scores used to calculate the mean.
B: The standard deviation is a measure of the variability of scores around the mean.
C: The standard deviation is correlation of scores used to calculate the mean.
D: There is no relationship.

6:  If a distribution of scores has a small variance, how will the histogram of the scores appear?
A: The largest proportion of scores will be clustered in the center around the mean.
B: The largest proportion of scores will be clustered in the right tail.
C: The largest proportion of scores will be clustered in the left tail.
D: The proportion of values will be equally distributed.

7:  Which statement is true about a standard normal distribution of scores?
A: The mean is one and the standard deviation is one.
B: The mean is zero and the standard deviation is zero.
C: The mean and the standard deviation are not related.
D: The mean is zero and the standard deviation is one.

8:  Which of the following correlation coefficients indicates the strongest relationship between the variables?
A: -0.456
B: 0.213
C: 0.401
D: -0.067

9:  When reading a research report, the symbol that is used to depict the standard deviation of a group of scores is:
A: p
B: s
C: n
D: r

10:  Which type of data can be represented by measures of central tendency and variability.?
A: Nominal
B: Categorical
C: Interval
D: Dichotomous

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