Podcast
Questions and Answers
What is the interpretation of a correlation coefficient of r = .5?
What is the interpretation of a correlation coefficient of r = .5?
- A large effect (correct)
- A moderate effect
- A weak effect
- A small effect
When is Spearman’s rank correlation used?
When is Spearman’s rank correlation used?
- For linear relationships
- For measuring variance
- For nonlinear relationships (correct)
- For fitting straight lines
What does the Pearson’s correlation coefficient measure?
What does the Pearson’s correlation coefficient measure?
- Nonlinear relationships
- Outliers
- Variance
- Linear relationships (correct)
What does r² represent in correlation?
What does r² represent in correlation?
In psychological research, what is the interpretation of a correlation coefficient of r = .3?
In psychological research, what is the interpretation of a correlation coefficient of r = .3?
What is the interpretation of a correlation coefficient of r = .1?
What is the interpretation of a correlation coefficient of r = .1?
What can greatly influence the value of the correlation coefficient?
What can greatly influence the value of the correlation coefficient?
When is it appropriate to calculate a correlation coefficient for a given data set?
When is it appropriate to calculate a correlation coefficient for a given data set?
What is the significance of using z-scores in correlation analysis?
What is the significance of using z-scores in correlation analysis?
In APA style table for summarizing correlations, what should be included?
In APA style table for summarizing correlations, what should be included?
When summarizing a set of correlations in a table, what should you avoid doing?
When summarizing a set of correlations in a table, what should you avoid doing?
What does a significant weak-to-moderate positive correlation between two variables indicate?
What does a significant weak-to-moderate positive correlation between two variables indicate?
What is the purpose of reporting data in a table in correlation analysis?
What is the purpose of reporting data in a table in correlation analysis?
What is the mean and standard deviation of z-scores?
What is the mean and standard deviation of z-scores?
When using z-scores, what becomes comparable across variables?
When using z-scores, what becomes comparable across variables?
What should be the focus of interpreting a set of correlations presented in a table?
What should be the focus of interpreting a set of correlations presented in a table?
What kind of relationships can be transformed into linear ones using z-scores?
What kind of relationships can be transformed into linear ones using z-scores?
