• Graziano, M.A & Raulin M.L. (1995). Research Methods A Process of Inquiry (5th ed). New York: Pearson

• Kerlinger, N.F(1973).Foundation of Behavioral Research (2nd ed.) .New York: Holt Rinehart and Winston Inc.

• Nachmias, C.F & Nachmias, D. (1996).Research Methods in the Social Science (5th ed.) London: Arnold Publishing

• Wiersma, W. (1995). Research Methods in education: An Introduction (6th ed.) Tokyo: Allyn and Bacon

http://www.experiment-resources.com/quantitative-research-design.html, Quantative studies, retrieved on May 10th 2011.

http://www.sportsci.org/jour/0001/wghdesign.html, Quantative methods and types, retrieved on May 10th 2011.

http://www.fortunecity.com/greenfield/grizzly/432/rra2.htm, Quantative research, retrieved on May 10th 2011.

http://www.drcath.net/toolkit/descriptive.html, Descriptive studies, retrieved on May 10th 2011.

Share This