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:  A researcher runs frequency distributions on the variables in the study and finds that each is distributed normally. Which type of tests is the researcher most probably going to run?
A: Robust tests
B: Parametric tests
C: Nonparametric tests
D: Descriptive tests

2:  A researcher wants to determine whether arthritic pain is worse in the morning or afternoon. What type of analysis will be conducted?
A: Univariate
B: Bivariate
C: Trivariate
D: Multivariate

3:  A researcher want to determine the effect of exercise on mood and blood pressure. What type of analysis will be conducted?
A: Univariate
B: Bivariate
C: Trivariate
D: Multivariate

4:  What is the basis for most inferential statistics?
A: Inferential statistics are based on the comparison of observed differences between groups in the study to the standard error.
B: Inferential statistics are based on the comparison of observed differences between groups in the study to the standard deviation.
C: Inferential statistics are based on the comparison of observed differences between groups in the study to the range of scores.
D: Inferential statistics are based on the comparison of observed differences between groups in the study to the robustness of the test..

5:  What does the p value represent when conducting inferential analyses?
A: The probability that the results are due to statistical error in calculation.
B: The probability that the results refute the null hypothesis.
C: The probability that the results are due to a Type II error.
D: The probability that the results are due to the standard error.

6:  Which statement most accurately describes the central limit theorem?
A: Larger sample sizes will yield scores on variables which approximate the normal curve.
B: Heterogeneous samples will represent a population more accurately than homogeneous ones.
C: Smaller sample sizes will yield scores on variables which approximate the normal curve.
D: Larger samples will represent a population more accurately than small ones.

7:  All of the following factors influence the standard error, except:
A: Variance
B: Sample size
C: Standard deviation
D: Type of statistical test

8:  A researcher reports that the findings from the study are statistically significant. What does this mean?
A: Differences in the scores between groups is higher than alpha.
B: The null hypothesis has been supported.
C: Differences in the scores between groups exceed the standard error.
D: The alternative hypothesis has been rejected.

9:  What is the difference between a z or a t Test?
A: z is used for small samples
B: z is used for large samples
C: t is used for large samples
D: There is no difference

10:  Which test would be used to determine whether there was an age difference between two groups?
A: t-test
B: Chi-square
C: ANOVA
D: Regression

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