Meta-analysis is the quantitative, scientific synthesis of research results. Since the term and modern approaches to research synthesis were first introduced in the 1970s, meta-analysis has had a ...

Journal of Advertising, Vol. 46, No. 1, Themed Issue — Methodology in Advertising Research (January-March 2017), pp. 21-35 (15 pages) Meta-analyses have become increasingly popular in many fields of ...

Objective To systematically review, summarise and appraise findings of published meta-analyses that examined the effects of caffeine on exercise performance. Design Umbrella review. Data sources ...

Objective Physical activity (PA) is associated with a decreased incidence of dementia, but much of the evidence comes from short follow-ups prone to reverse causation. This meta-analysis investigates ...