A researcher conducted a correlational study to examine the relationship between high school GPA and extroversion. A group of high school students completed a measure of extroversion. The GPAs for these students were then obtained from their records. The appropriate statistical test to analyze the data in this study is ______.
A) a Pearson r test
B) an independent samples t test
C) a paired/related samples t test
D) an ANOVA

Question

Quizplus · Accepted Answer

A Pearson r test is the appropriate statistical test to analyze the relationship between two continuous variables, such as high school GPA and extroversion. A correlational study examines the strength and direction of the relationship between two variables. The other statistical tests listed are not appropriate for this type of study and data.

A Researcher Conducted a Correlational Study to Examine the Relationship