A study of target effect sizes in randomised controlled trials published in the Health Technology Assessment journal

Table 4 Standardised effect sizes of trials

Effect size	Median	(25th, 75th percentiles)	Minimum	Maximum
Overall
Standardised target	0.300	0.198, 0.377	0.051	0.760
Standardised observed	0.112	0.048, 0.287	< 0.001	1.184
p < 0.05
Standardised target	0.309	0.229, 0.433	0.051	0.643
Standardised observed	0.343	0.230, 0.501	< 0.001	1.184
p > 0.05
Standardised target	0.297	0.183, 0.362	0.070	0.760
Standardised observed	0.061	0.019, 0.155	< 0.001	0.716

ISSN: 1745-6215