Which Statement(s) Would Most Likely Be Found in the Conclusion

Multiple Choice

Which statement(s) would most likely be found in the conclusion section of a research article?

A) In-service education is an effective way of changing teachers' attitudes toward the issue.
B) The group taught by Method A had a significantly higher mean score on the posttest than did the group taught by Method B.
C) Method A appears to be a more effective method of teaching math than Method B.
D) a and b
E) a and c