A Professor Wants to Determine Whether Her Students Perform Better

Multiple Choice

A professor wants to determine whether her students perform better on mid-term examinations if they write their exam alone or in a group.To experimentally investigate this possibility,she randomly assigns half of her students to write their mid-term in the regular class setting (as a group) and randomly assigns the other half of her students to write their mid-term individually in private cubicles in the university's testing centre.Which of these conditions is the experimental group?

A) The group of students writing in the classroom
B) The group of students writing individually in the testing centre
C) Both groups of students as they are a part of the professor's experiment
D) Neither of the groups of students as they did not consent to this study