Hedges' g** 是心理学研究常用的一种统计检验参数，用于衡量实验或调查设计中的效果量。Hedges' g是对标准差偏小的样本统计量进行的偏差矫正，适用于小样本情况。Effect size, 中文叫效应量，Hedge's g是其中的一个计算方法，另一种常见的计算方法是Cohen's d
Alberto RedolfiDavid MansetFrederik BarkhofLarsOlof WahlundTristan GlatardJeanFrançois ManginGiovanni B. Frisoni
es g effect size]]>Marco Torchiano
disease and trampling may also reduce tree densities and transform woodlands into grasslands (e.g. Walker et al. 1981; Noy-Meir 1982; Gillson 2004).We used meta-analytic techniques (Cooper & Hedges 1994) to synthesize the impact of... RAR Guldemond,RJV Aarde 被引量: 20发表: 0年 NV- ...
First, for each study in an analysis, the meta-analyst estimates the size of the relationship between a predictor X and a criterion Y typically with a g or d statistic. Second, the meta-analyst assesses the across-study variability in the size of the X-Y relationship. Third, the meta-...
The effect of organic farming on butterfly diversity depends on landscape context. Journal of Applied Ecology 43, 1121–1127. Rundlöf, M., Nilsson, H., Smith, H.G., 2008. Interacting effects of farming practice and landscape context on bumble bees. Biological Conservation 141, 417–426. ...
The general theme that can be gleaned from surveying the extant literature is that the findings obtained in a certain context cannot be directly generalized to other contexts, which is evident by the continuously expanding body of empirical work and the associated heterogenous results. While gold ...
But you don’t need a professional full-frame camera to get a great shot. If you have acompact camera(e.g, a point and shoot camera), you’ll ideally want one with an optical zoom of a minimum of 3x – 10x such as theCanon Powershot SX730or theLumix ZS100. ...
"section.krgSjf.title":"Forum Discussion"},"localOverride":false},"CachedAsset:quiltWrapper:eaaurora.prod:Common:en-US-1740551737212":{"__typename":"CachedAsset","id":"quiltWrapper:eaaurora.prod:Common:en-US-1740551737212","value":{"id":"Common","header":{"backgroundImageProps":{"asset...
G Richard,REM Hedges,NR White - 《Radiocarbon》 被引量: 15发表: 1983年 In-Flight Hedges. After salaries, jet fuel is the largest expense for most airlines. So it's understandable that great care is taken to mitigate the potential risks... Sullivan,Laura - 《Risk Management》 被引量: 1...