An experimenter is interested in the influence of taking a one-semester-long test preparation course on performance on the Scholastic Aptitude Test (SAT). She contacts high school students who have and who have not taken the course and compares their scores on the SAT exam. She finds that the students who have taken the course score significantly higher on the test. The appropriate statistical test is

Question

Quizplus · Accepted Answer

The appropriate statistical test for comparing means of two or more groups (in this case, those who have taken the test preparation course and those who have not) on a continuous outcome (SAT scores) is the one-way ANOVA (Analysis of Variance).

An Experimenter Is Interested in the Influence of Taking a One-Semester-Long