Paraphrase Essay Example | Topics and Well Written Essays - 500 words - 7

Paraphrase - Essay Example This extends sources of the practitioners’ knowledge to available historical data through existing publications (Hoffmann, Bennett and De Mar, 2010; Akobeng, 2005). Systematic review is also important to knowledge development for new research. Its analytical approach that plays the same role as formal literature review allows researchers to consolidate existing knowledge on a subject and to identify knowledge gaps for possible new studies. The reviews, with this respect, contribute to new research through informing research objectives, research questions, and research hypotheses. In addition, results of systematic reviews identify theories from related research that can be used in proposed or future studies. Effects of the reviews also extend to influence on research methodologies of new studies through elements such as selection of research methods and design, sampling strategy, and data collection strategy and tools. Ability of systematic reviews to identify weaknesses of pr evious studies also offer a basis for corrective measures and therefore helps to resolve such problems like bias in studies (Booth, Rees and Beecroft, 2010). Data extraction is a process by which data is collected from their sources and is organized into desired form for presentation to the audience. Examples of forms in which extracted data can be communicated are tables and graphs that facilitate understanding. Data extraction is a fundamental process in systematic reviews and helps in identification of elements of a research such as a study’s methods and design, sample and population, and applied treatment and mode of application. The process of data extraction is however largely subjective to a researcher’s interest and opinion and therefore susceptible to bias (Cochrane Handbook, 2011; Petticrew & Roberts, 2006). Summary of studies’ findings is important to any form of analysis and