Clinical prediction rules are mathematical tools that help clinicians make decisions on their research study -True -False If you reject a true null hypothesis, what does this mean? -You have encountered beta (β) error -You have made a Type II error -You have made a correct decision -You have made a Type I error -None of the above This test determines the relationship between two sets of ordinal data. -Kruskal-Wallis Ranked Data ANOVA -Mann-Whitney -Friedman's Ranked ANOVA -Spearman's Rank Order Correlation Coefficient -Chi-Squared What is the Z-value associated with a 95% confidence interval? -2.24 -1.65 -1.96 -1.28 A nonparametric version of the parametric analysis of variance test is: -Kruskal-Wallis Test -Mann-Whitney-U Test -Chi-Square Test -none of the above An observed score is comprised of which of the following -The true score and systematic error -The true score and random error -The true score and error -The true score Which of the following statements regarding Z-Scores is/are correct? -Z-Scores are an expression of the raw score in standard deviation units. -Z-Scores allow for the identification on where an individual falls on a normal curve. -Z-Scores are calculated by subtracting the mean from the standard deviation and dividing by raw score. -A and B The Tukey-Kramer procedure is used for which of the following purposes? -Test for differences in pairwise means -Test for normality -Test for homogeneity of variance -Test for standard error of the means If you wanted to determine whether the mean scores of two different samples are significantly different from each other, which of the following t-tests would you use? -One-sample t-test -Two-Sample t-test -Independent t-test -Dependent t-test Repeated measures ANOVA's are used: -When a one-sample ANOVA did not result in a significant value -Whenever you require p < 0.01 -When you have three or more observations recorded for the same subject -When you have two or more subjects 15) Which of the following statistical concepts is used to test differences in the means for more than two independent populations? -Regression analysis -Multiple t tests -Analysis of variance -Confidence interval -Regression analysis 16) Always replacing clinical judgement with scientific research is an essential component of good clinical practice -True -False 17) Select the most appropriate statistical test for comparing the means of 3 or more groups -t-test -Z-Score -ANOVA -Correlation -Regression 18) The variance obtained by subtracting the group means from the grand mean is called the: -Within-Group Variance -Between-Group Variance
Clinical prediction rules are mathematical tools that help clinicians make decisions on their research study
-True
-False
If you reject a true null hypothesis, what does this mean?
-You have encountered beta (β) error
-You have made a Type II error
-You have made a correct decision
-You have made a Type I error
-None of the above
This test determines the relationship between two sets of ordinal data.
-Kruskal-Wallis Ranked Data ANOVA
-Mann-Whitney
-Friedman's
-Spearman's Rank Order Correlation Coefficient
-Chi-Squared
What is the Z-value associated with a 95% confidence interval?
-2.24
-1.65
-1.96
-1.28
A nonparametric version of the parametric analysis of variance test is:
-Kruskal-Wallis Test
-Mann-Whitney-U Test
-Chi-Square Test
-none of the above
An observed score is comprised of which of the following
-The true score and systematic error
-The true score and random error
-The true score and error
-The true score
Which of the following statements regarding Z-Scores is/are correct?
-Z-Scores are an expression of the raw score in standard deviation units.
-Z-Scores allow for the identification on where an individual falls on a normal curve.
-Z-Scores are calculated by subtracting the mean from the standard deviation and dividing by raw score.
-A and B
The Tukey-Kramer procedure is used for which of the following purposes?
-Test for differences in pairwise means
-Test for normality
-Test for homogeneity of variance
-Test for standard error of the means
If you wanted to determine whether the mean scores of two different samples are significantly different from each other, which of the following t-tests would you use?
-One-sample t-test
-Two-Sample t-test
-Independent t-test
-Dependent t-test
Repeated measures ANOVA's are used:
-When a one-sample ANOVA did not result in a significant value
-Whenever you require p < 0.01
-When you have three or more observations recorded for the same subject
-When you have two or more subjects
15) Which of the following statistical concepts is used to test differences in the means for more than two independent populations?
-
-Multiple t tests
-Analysis of variance
-Confidence interval
-Regression analysis
16) Always replacing clinical judgement with scientific research is an essential component of good clinical practice
-True
-False
17) Select the most appropriate statistical test for comparing the means of 3 or more groups
-t-test
-Z-Score
-ANOVA
-
-Regression
18) The variance obtained by subtracting the group means from the grand mean is called the:
-Within-Group Variance
-Between-Group Variance
-Total Variance
19) If you wanted to compare the effects of four different diets on body composition, which test would you use?
-One-Sample t-test
-Independent Sample t-test
-Dependent Sample t-test
-One-Way ANOVA
20) A correlation value of -1 has exactly the same strength of a correlation value of +1
-True
-False
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