1. Research methods in psychology Shaughnessy, John J., 1947- New York, NY : McGraw-Hill Education, c2015. PSY509 CP541 PSY412 PSY402 PSY200 PSY206
2. Research methods for the behavioral sciences Stangor, Charles, Stamford, CT: Cengage Learning, [2015] PSY206 PSY501 GDM516
3. Research methods in the social sciences Frankfort-Nachmias, Chava, New York, NY : Worth Publishers, a Macmillan Education Company, [2015] SOC221
