Christensen, L., Johnson, B.R., & Turner, L.A. (2011). Research Methods, Design and
Analysis, (11th ed.). Boston: Allyn & Bacon.
Johnson, B. & Christensen, L. (2011). Educational Research: Quantitative, Qualitative,
and Mixed Approaches. Sage
Johnson, B. & Christensen, L. (2008). Educational Research Methods. SAGE
Christensen, L. (2007). Dietary carbohydrates as mood and performance modulators.
. In C.G. Biliaderis and M.S.Izydorczyk (Eds.). Functional food carbohydrates. CRC
press, Boca Raton, Fl.
Christensen, L. (2007). Craving for sweet-carbohydrate and fat-rich foods—possible
triggers and impact on nutritional intake. Nutrition Bulletin, 32 (Suppl. 1), 43-51.
Christensen, L. (2007). Experimental Methodology (10th Ed.). Boston: Allyn & Bacon.
Christensen, L. & Pettijohn, L. (2001). Mood and carbohydrate cravings. Appetite 36(2),
137-145.
Christensen, L. (2001). The effect of food intake on mood. Clinical Nutrition, 20
(Suppl. 1), 161-166.