Heavy Tailed Distributions of Effect Sizes in Systematic Reviews of Complex Interventions
نویسندگان
چکیده
منابع مشابه
Heavy Tailed Distributions of Effect Sizes in Systematic Reviews of Complex Interventions
BACKGROUND Systematic reviews of complex interventions commonly find heterogeneity of effect sizes among similar interventions which cannot be explained. Commentators have suggested that complex interventions should be viewed as interventions in complex systems. We hypothesised that if this is the case, the distribution of effect sizes from complex interventions should be heavy tailed, as in ot...
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15 صفحه اولHeavy-Tailed Distributions in Combinatorial Search
Combinatorial search methods often exhibit a large variability in performance. We study the cost pro les of combinatorial search procedures. Our study reveals some intriguing properties of such cost pro les. The distributions are often characterized by very long tails or \heavy tails". We will show that these distributions are best characterized by a general class of distributions that have no ...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2012
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0034222