Multiple Choice
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 research design is
A) comparison-group before-after.
B) single-group before-after.
C) comparison-group.
D) experimental.
Correct Answer:
Verified
Correct Answer:
Verified
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