Meta-Analysis Defined

Meta-analysis is a quantitative method that synthesizes the results of a particular group of studies:– Researchers gather all available studies on a topic and then combine these studies statistically to produce an average effect for different variables across the literature. It allows one to see the “big picture.
– provides a thorough and objective synthesis of the literature that is needed as the literature becomes larger and the issues become more complex.
– allows one to examine combinations of message features in a systematic way.
– by establishing consistency in research, can eliminate some possibilities and point outways of assessing or comparing theories, determine future research agendas by identifying areas of weak or insufficient literature that require additional exploration, and call attention to areas that need further theorizing to explain conflicting results.

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