Table 3a: Meta analysis by Study and overall effect
|
Study |
ES |
95% Conf. |
Interval |
% Weight |
|
Seyoum(2007) D+L pooled ES |
-0.054 |
-0.276 |
0.168 |
6.34 |
|
Giovannetti and Sanfilippo (2009) D+L pooled ES |
0.003 |
0.002 |
0.004 |
18.05 |
|
Nouve (2005) D+L pooled ES |
0.171 |
0.155 |
0.187 |
15.78 |
|
Collier and Venables (2007) D+L pooled ES |
1.486 |
-0.359 |
3.331 |
0.07 |
|
Lederman and Ozden (2007) D+L pooled ES |
1.093 |
-0.324 |
2.509 |
1.8 |
|
Nouve and Staatz (2003) Sub-total D+L pooled ES |
-0.059 |
-0.092 |
-0.027 |
12.8 |
|
Frazer and Van Biesebreock (2010) D+L pooled ES |
0.037 |
-0.383 |
0.456 |
0.62 |
|
Cooke (2011) Sub-total D+L pooled ES |
0.483 |
0.256 |
0.711 |
17.99 |
|
Cooke(2009) Sub-total D+L pooled ES |
-0.039 |
-0.088 |
0.01 |
16.17 |
|
Tadesse and Fayissa (2008) Sub-total D+L pooled ES |
0.047 |
-0.033 |
0.127 |
7.93 |
|
Tadesse, et al (2008) Sub-total D+L pooled ES |
0.005 |
-0.011 |
0.021 |
2.45 |
|
Overall D+L pooled ES |
0.124 |
0.075 |
0.173 |
100 |
Heterogeneity calculated by formula
Q = σi VaarincLCiei') × (effecti - effectpooled)2
where, variancei = ( upper limit-lower limit V
, i 2×z
22
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