Which of the Following Conclusions Is Supported by Research Comparing

Multiple Choice

Which of the following conclusions is supported by research comparing "successful" to "unsuccessful" students?

A) Successful students and unsuccessful students attended class equally often.
B) Paradoxically, successful students attended class less often than unsuccessful students.
C) Successful students attended class more often than unsuccessful students.
D) Successful students used an instructor's office hours more than unsuccessful students.