HH/PSYC 2022 N - Statistical Methods II (Winter 2024-2025)
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Dr. Gates looked at the effects of frustration on the use of profanity by males and females. Males and females were asked to write a lab report on computers in a lab, but half the computers were set up to crash during the session while half of the computers were not set up to crash. Three observers recorded the use of profanity by the participants during the task. What is the design of this study?
Assume that we asked 20 subjects to participate in a smoking cessation study. We recorded their craving for a cigarette before and after applying a nicotine patch. One reason we might want to use a non-parametric test is because:
The one-way within-groups design can be viewed as an extension of which other research design because of its ability to analyze data from more groups?
In addition to hypothesis testing, effect size calculations are recommended as a way to assess:
Graphs that have two parallel lines for the variables indicates:
In calculating a Pearson correlation between two variables, you would examine the ______ to determine whether the relationship between the two variables is linear.
‘Correlation’ is to ‘regression’ as _____.
If the correlation between X and Y is negative, the slope of the regression equation must be:
The major advantage of repeated-measures designs is that:
For which of these research situations would you most likely calculate a correlation coefficient?
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