Figure 8.

Quality of meta‐analysis methods for bias of τ ², coverage of τ ², bias of δ and coverage of δ with typical values of τ ² and δ from the obsessive‐compulsive disorder example (δ=0.8,1.1,1.4 and τ ²∈[0.2,0.9]) and sample sizes n _iT and n _iC shown in Table 4. DL, DerSimonian‐Laird; HKSJ, Hartung‐Knapp‐Sidik‐Jonkman; J, Jackson; KDB, Kulinskaya‐Dollinger‐Bjørkestøl; MP, Mandel‐Paule; REML, restricted maximum‐likelihood [Colour figure can be viewed at http://wileyonlinelibrary.com]