Podcast
Questions and Answers
What is the consequence of applying a stricter criterion to accept an effect as significant in hypothesis testing?
What is the consequence of applying a stricter criterion to accept an effect as significant in hypothesis testing?
- Increased statistical power
- Increased Type II error
- Reduced Type I error
- Reduced statistical power (correct)
What is the purpose of using the Bonferroni corrected t-test in multiple comparisons?
What is the purpose of using the Bonferroni corrected t-test in multiple comparisons?
- To adjust for unequal sample sizes
- To decrease the alpha level (correct)
- To increase the alpha level
- To test for homogeneity of variance
Which post-hoc test is considered a good choice when sample sizes are near equal?
Which post-hoc test is considered a good choice when sample sizes are near equal?
- ANOVA
- Bonferroni
- Tukey HSD (correct)
- Games-Howell
What is a consideration when choosing a post-hoc test?
What is a consideration when choosing a post-hoc test?
What is the purpose of using multiple comparison tests like Tukey HSD and Bonferroni?
What is the purpose of using multiple comparison tests like Tukey HSD and Bonferroni?
What is presented in a post-hoc table generated by JASP?
What is presented in a post-hoc table generated by JASP?
What is a main advantage of using SEM error bars over standard deviation in plotting error bars?
What is a main advantage of using SEM error bars over standard deviation in plotting error bars?
What can be inferred if the SEM error bars of two groups do not overlap?
What can be inferred if the SEM error bars of two groups do not overlap?
Why would performing multiple t-tests be an inappropriate approach in comparing the means of three groups?
Why would performing multiple t-tests be an inappropriate approach in comparing the means of three groups?
What is an alternative to SEM error bars offered by JASP?
What is an alternative to SEM error bars offered by JASP?
What is the purpose of adding a third group, 'Decaf drink', in the experiment?
What is the purpose of adding a third group, 'Decaf drink', in the experiment?
What is the advantage of using ANOVA over multiple t-tests in comparing the means of three groups?
What is the advantage of using ANOVA over multiple t-tests in comparing the means of three groups?
What is the primary advantage of using ANOVA instead of multiple t-tests?
What is the primary advantage of using ANOVA instead of multiple t-tests?
In an ANOVA analysis with two independent variables, what is the maximum number of levels each variable can have?
In an ANOVA analysis with two independent variables, what is the maximum number of levels each variable can have?
In a study with two independent variables, what is the advantage of using ANOVA?
In a study with two independent variables, what is the advantage of using ANOVA?
What is the consequence of performing multiple t-tests instead of using ANOVA?
What is the consequence of performing multiple t-tests instead of using ANOVA?
What is a limitation of ANOVA in terms of interpreting results?
What is a limitation of ANOVA in terms of interpreting results?
In ANOVA, what are the sources of variability among participants?
In ANOVA, what are the sources of variability among participants?
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