With the rapid increase in the research conducted on health sciences, there is difficulty for researchers and clinicians to be up-to-date with the studies. Therefore, reviews that give a summary of the impact of different intervention experiments are a greatly efficient way to come up with a conclusion of what is effective and what isn't. Systematic reviews are different from the traditional kind in many ways. According to Petticrew and Roberts (2006), the systematic type of reviews normally involve a comprehensive and in depth plan along with search approach that is presumptive, with the aim of reducing partiality by finding, assessing, and integrating all significant research on a certain subject. In most cases, systematic reviews involve a component of meta-analysis that uses statistical methods to integrate the information acquired from different research into one quantitative result or outline effect size (cited in Uman, 2011).



The systematic types...
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