What Are The Difference Between Meta-Analysis and Literature Review | Pubrica

The Difference Between Meta-Analysis & Literature Review

Meta-Analysis Meta Analysis is the procedure of applying statistical principles to various conceptually similar scientific studies to estimate the common truth behind all individual studies.

Meta-Analysis ďƒ˜ All individual studies that are conceptually similar arrive at this common truth with a certain degree of error. Therefore, the statistical integration of the results will provide an estimate to the Truth ďƒ˜ It can be said that Meta Analysis is the analysis of analyses ďƒ˜ By comparing results of different studies, Meta Analysis also helps in comparing and contrasting the results of individual studies, identifying patterns among the studies and their effects, gauging the sources of disagreement among the studies, and other exciting relationships.

Meta-Analysis  In performing a Meta Analysis, each study is allocated different weightage according to certain aspects associated with the study  (For example, comparing a study that had 100 participants with a study of 10 participants needs due considerations) and the Weighted Average is Calculated Accordingly  Initially and still predominantly used for clinical trials, the procedure improves accuracy to the point estimate of the closest truth as more Scientifical studies are taken into consideration.  The analysis helps in quantifying and analysing inconsistencies among individual studies

Meta-Analysis ďƒ˜ The different process involved within Meta Analysis helps various purposes like spotting and investigating publication bias present in different studies, explaining variation between results due to factors like moderator inclusion, etc.

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Difference Between Meta-Analysis & Literature Review

Literature Review : ďƒ˜ A Literature Review is the analysis of all existing literature in a field of study. Usually, before beginning research, the researcher scrutinizes current knowledge in their field to discover a gap to base their study. ďƒ˜ Literature Review forms an indispensable part of the research. The literature thus reviewed is included in the final paper, written following the style, format, and guidelines according to the given requirement

Difference Between Meta-Analysis & Literature Review ďƒ˜The Literature Review section provides a sketch of development of knowledge in the field, while dispensing the differences and similarities between various researches and schools of thoughts That Establish The Said Knowledge META-ANALYSIS :

ďƒ˜On the other hand, Meta Analysis is an analysis of similar scientific studies to establish an estimate closest to the common point of truth that exist between them

Difference Between Meta-Analysis & Literature Review  The procedure is the application of statistical principles to quantitative studies to arrive at common mean.  The principle behind Meta Analysis is that all scientific studies which are conceptually similar contains a universal truth which all the individual studies arrive at with varying degree of errors.  Thus an analysis of all such studies with an allocation of varied weightage will provide an estimate of the truth.  It is the analysis of analyses and used for practical purposes like clinical trials, etc.

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