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¶ … quasi-experimental quantitative study on the topic of childhood obesity. The topic of the research was a comprehensive approach to nutritional improvement in a pilot study involving four schools in which interventions were implemented and a fifth school used for experimental control. The interventions consisted of a holistic elementary school-based obesity prevention program intended to keep children at a normal, healthy weight, and to improve their overall health status and their academic performance (Hollar, Lombardo, Lopez-Mitnik, et al., 2010). More specifically, the interventions consisted of independent variables in the form of modified dietary choices in school, nutrition/lifestyle educational information to students and parents, physical activity, and general wellness projects. The pendent variables consisted of quantitative measurement of body mass index (BMI), blood pressure, and measures of academic performance (Hollar, Lombardo, Lopez-Mitnik, et al., 2010).
Research Design and Methodology
The study involved providing students better nutritional...
Since the unit of data analysis pertained to schools instead of individual subjects, the data analysis relied upon cluster randomization, according to which the mean response in relation to each variable was subject to both cluster-to-cluster analysis and individual-based analysis (Hollar, Lombardo, Lopez-Mitnik, et al., 2010).
Study Limitations
The principle limitation of the study was the fact that the interventions were only controlled in school and were not at all controlled outside of school either after school hours on weekdays, on weekends, during holidays, or over summer vacations. Another limitation was the fact that data collection may have been subject to inaccuracy because the study relied exclusively on measurements taken by non-healthcare professionals and in non-clinical settings. Finally, while the data collection employed averages of three measurements at each…
Reference
Danielle Hollar, Michelle Lombardo, Gabriella Lopez-Mitnik, Theodore L. Hollar, Marie
Almon, Arthur S. Agatston, and Sarah E. Messiah. "Elective Multi-level, Multi-sector, School-based Obesity Prevention Programming Improves Weight, Blood
Pressure, and Academic Performance, Especially among Low-Income, Minority
Children." Journal of Health Care for the Poor and Underserved, Vol. 21;
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