Select SAGE journal articles are available to give you more insight into chapter topics. These are also an ideal resource to help support your literature reviews, dissertations and assignments.
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Kreijcie, Robert V. & Daryle W. Morgan (1970) ‘Determining Sample Size for Research Activities’ Educational and Psychological Measurements, 30(3): 607–610.
You can also consult these SAGE book chapters to cement your understanding.
Henkel, R.E. (1976) ‘Conceptual Framework’ in R.E. Henkel, Tests of Significance (pp. 12–44). Beverly Hills, CA: Sage.
Spector, P.E. (1981) ‘Basic Logic of Design’ in P.E. Spector, Research Designs (19–28). Newbury Park, CA: Sage.