The true between-study standard deviation τ increased from 0 (panels a and b) to 1 (panel c). The number of studies in each meta-analysis N increased from 5 (panel a) to 50 (panels b and c). The true mean difference Δ (horizontal dotted line) was 0.</p
<p>Horizontal bars and circles widths denote 95% CIs, and box sizes indicate relative weight in the ...
<p>The points represent different studies. Studies are distributed evenly either side of the zero li...
<p>The means and standard deviations are calculated across the 5,000 repetitions of the simulation.<...
For each sample size range on the horizontal axis, the left gray box was obtained using Cohen’s d, a...
The true between-study standard deviation τ was 0 (i.e., the simulated studies were homogeneous). Th...
The true between-study standard deviation τ increased from 0 (upper and middle panels) to 0.5 (lower...
The true between-study standard deviation τ was 0 (i.e., the simulated studies were homogeneous). Th...
<p>Note that the number of studies can vary per repetition because the simulation was terminated whe...
<p>The black lines represent the situation where <i>E<sub>obs</sub></i> is tested with respect to 0....
With the growing popularity of meta-analytic techniques to analyze and synthesize results across set...
Methods for random-effects meta-analysis require an estimate of the between-study variance, $\tau^2$...
<p>The horizontal line at zero indicates perfect agreement between assumed and observed variance. Me...
Each study arm is listed on the y-axis. Study arms are grouped by outcome type (PA or WL). The SMD i...
Methods for random-effects meta-analysis require an estimate of the between-study variance, tau(2) ....
<p>Mean (solid lines) and mean plus/minus one meta-analytic standard error (dashed lines) of estimat...
<p>Horizontal bars and circles widths denote 95% CIs, and box sizes indicate relative weight in the ...
<p>The points represent different studies. Studies are distributed evenly either side of the zero li...
<p>The means and standard deviations are calculated across the 5,000 repetitions of the simulation.<...
For each sample size range on the horizontal axis, the left gray box was obtained using Cohen’s d, a...
The true between-study standard deviation τ was 0 (i.e., the simulated studies were homogeneous). Th...
The true between-study standard deviation τ increased from 0 (upper and middle panels) to 0.5 (lower...
The true between-study standard deviation τ was 0 (i.e., the simulated studies were homogeneous). Th...
<p>Note that the number of studies can vary per repetition because the simulation was terminated whe...
<p>The black lines represent the situation where <i>E<sub>obs</sub></i> is tested with respect to 0....
With the growing popularity of meta-analytic techniques to analyze and synthesize results across set...
Methods for random-effects meta-analysis require an estimate of the between-study variance, $\tau^2$...
<p>The horizontal line at zero indicates perfect agreement between assumed and observed variance. Me...
Each study arm is listed on the y-axis. Study arms are grouped by outcome type (PA or WL). The SMD i...
Methods for random-effects meta-analysis require an estimate of the between-study variance, tau(2) ....
<p>Mean (solid lines) and mean plus/minus one meta-analytic standard error (dashed lines) of estimat...
<p>Horizontal bars and circles widths denote 95% CIs, and box sizes indicate relative weight in the ...
<p>The points represent different studies. Studies are distributed evenly either side of the zero li...
<p>The means and standard deviations are calculated across the 5,000 repetitions of the simulation.<...
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