Effects from individual studies are pooled to yield an estimate of the population effect size by calculating a weighted average of effects. What is often used as the weight?

Name: Effects from individual studies are pooled to yield an estimate of the population effect size by calculating a weighted average of effects. What is often used as the weight?
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Question

Quizplus · Accepted Answer

The weight is often the inverse variance, which gives more weight to studies with less variance (i.e., more precision) in their effect size estimates.

Effects from Individual Studies Are Pooled to Yield an Estimate