See the Appendix for a complete list of the articles. Table 1: Distribution by year of meta-analyses examined for this study The author was most interested in determining which databases were used to collect studies to include in the meta-analyses.
See the Appendix for a complete list of the articles. Table 1: Distribution by year of meta-analyses examined for this study The author was most interested in determining which databases were used to collect studies to include in the meta-analyses. The results highlight the need for researchers conducting a meta-analysis or similar project to collaborate with librarians who have expertise in literature searching. (2014) define meta-analysis as "the statistical analysis of the results of multiple independent studies, usually from the published and/or gray literature, to estimate the magnitude, consistency, homogeneity of an effect of interest." Researchers in the health sciences have used this technique the most extensively, and Makowski et al.Tags: Ipod Touch Problem SolvingCase Study On Internet MarketingHuman Antithesis BlogspotHbcu ScholarshipsDissertation Topics In Supply Chain ManagementHomework Club IdeasDissertation MusikCraven Critical ThinkingGood Personal Experience Essays
The latter figure could be an indication of the relative unfamiliarity of meta-analysis as a technique in the crop sciences, for both authors and reviewers, as compared to other fields such as the health sciences.
(3) Do the researchers typically include sources other than peer-reviewed journal articles?
(4) And finally, do the researchers provide a clear list of studies used in the meta-analysis? (2012) and Koricheva and Gurevitch (2014) investigated questions two and four, but neither addressed questions one and three.
The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) provides a general list of criteria to include in a meta-analysis (Moher et al. More specifically for agriculture, Philibert et al.
(2012) provide eight criteria for agronomy-related meta-analyses, while Koricheva and Gurevitch (2014) provide 16 criteria for meta-analyses in plant ecology.