Cognitive Development may appear to be a unified discipline or organic cooperation among several disciplines; however, the research shows chasms between fields devoted to the study of human development. The four reviewed articles show differing approaches to developmental studies, with varying degrees of effectiveness. The level of effectiveness appears to hinge on the scholar's willingness to use a generous number of approaches to the analysis of human development.

Harris, J.L., Brownell, K.D., & Bargh, J.A. (2009). The Food Marketing Defense Model: Integrating Psychological Research to Protect Youth and Inform Public Policy. Social Issues and Policy Review, 3(1), 211-271.

Harris et al. review the negative effects of food advertising targeted at youth, results of various studies regarding that phenomenon, and then suggest a possible defense model to counteract the powerful impact of food advertisers. They begin by attributing the "obesity epidemic" at least in part to advertising encouraging individuals to eat...
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