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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Bollen, Kenneth A. & Robert W. Jackman (1985) ‘Regression Diagnostics: An Expository Treatment of Outliers and Influential Cases’ Sociological Methods Research, 13(4): 510–542.

Chatterjee, Sangit & Mustafa Yilmaz (1992) ‘A Review of Regression Diagnostics for Behavioral Research’ Applied Psychological Measurement, 16(3): 209–227.

SAGE also has books that will extend your knowledge of this topic.

Berry, W.D. (1993) ‘A Formal Presentation of the Regression Assumptions’ in W.D. Berry, Understanding Regression Assumptions (pp. 3–13). Newbury Park, CA: Sage.