PSYU3349 Week 5
Authored by Seth Coetzee
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University
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3 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the NON-PARAMETRIC alternative to a one-way ANOVA?
Spearman
Kruskall-Wallis
Mann-Whitney U
Neyman-Scott Cluster
Wilcoxon Signed Rank
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of using a reference category when creating dummy variables for categorical independent variables?
To ensure that all categories are equally represented in the regression model.
To make interpretation of the regression coefficients easier.
To reduce the number of variables in the model.
To improve the accuracy of the regression model.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suppose you are conducting multiple hypothesis tests with a significance level of α = .05. You have conducted 6 tests, what is the correct Bonferroni-adjusted family-wise error rate?
0.30
0.025
0.0083
0.003
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