Table 3.

Confidence interval width of the Q-profile and Jackson’s Generalised Q statistic approaches under equal, optimal and 0.01:0.04 split strategies; k=15

τ 2	I 2	CI width		CI width ratio (wrt equal α)
		Equal α		W-opt		0.01:0.04 split
		Q-profile	Gen-Q	Q-profile	Gen-Q	Q-profile	Gen-Q
0.05	28.49	0.305	0.296	0.777	0.778	0.844	0.846
0.09	39.93	0.393	0.385	0.811	0.811	0.865	0.867
0.13	48.82	0.478	0.470	0.834	0.834	0.878	0.879
0.17	55.47	0.558	0.551	0.849	0.849	0.886	0.887
0.21	60.85	0.638	0.633	0.860	0.861	0.891	0.892
0.24	65.21	0.718	0.714	0.868	0.868	0.894	0.895
0.28	68.60	0.796	0.793	0.873	0.874	0.896	0.897
0.32	71.40	0.873	0.871	0.877	0.878	0.898	0.899
0.36	73.77	0.949	0.949	0.879	0.880	0.899	0.900
0.40	75.74	1.030	1.030	0.881	0.882	0.900	0.900