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Meta-Analysis Graphs

Meta-Analysis Graphs. Funnel & Forest Plots. Funnel Plot. Notice central tendency & spread. Note funnel shape. Note too many on the high side? Note variability of small N studies. Forest (Dot) (Time) Plot.

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Meta-Analysis Graphs

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  1. Meta-Analysis Graphs Funnel & Forest Plots

  2. Funnel Plot Notice central tendency & spread. Note funnel shape. Note too many on the high side? Note variability of small N studies.

  3. Forest (Dot) (Time) Plot studyid lower r upper min max -0.491919052 0.4914054249 *----------------------------------------------------* 9 -0.49 -0.16 0.21 |[-----------------*-------0----------] | 18 -0.23 -0.03 0.17 | [---------*-0--------] | 2 -0.21 0.00 0.21 | [----------*----------] | 8 -0.12 0.00 0.12 | [------*------] | 10 -0.21 0.00 0.21 | [----------*----------] | 19 -0.14 0.00 0.14 | [-------*-------] | 16 -0.12 0.03 0.18 | [-----0-*------] | 20 -0.19 0.03 0.24 | [---------0-*----------] | 7 -0.04 0.07 0.18 | [-0---*-----] | 11 -0.07 0.08 0.22 | [--0---*-------] | 6 -0.10 0.10 0.29 | [----0----*---------] | 17 -0.01 0.11 0.23 | [0-----*-----] | 5 -0.18 0.15 0.45 | [---------0-------*---------------] | 15 0.01 0.19 0.36 | [---------*--------] | 4 0.07 0.21 0.34 | 0 [------*------] | 12 0.06 0.21 0.35 | 0 [-------*-------] | 3 -0.01 0.24 0.47 | [0------------*-----------]| 14 -0.01 0.26 0.49 | [-------------*----------]| 1 0.08 0.29 0.47 | 0 [----------*---------]| 13 0.22 0.33 0.43 | 0 [----*-----] | *----------------------------------------------------* Note zero point. Look for gaps, notice which are significantly different from zero. Can also show overall (weighted mean) effect size and confidence interval.

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