“…We included 12 papers in the meta‐synthesis (Bauer, Fitzgerald, Koch, & King, ; Boltz, Chippendale, Resnick, & Galvin, ; Clissett, Porock, Harwood, & Gladman, ; Douglas‐Dunbar & Gardiner, ; Fitzgerald, Bauer, Koch, & King, ; Hynninen, Saarnio, & Isola, ; Jurgens, Clissett, Gladman, & Harwood, ; Moyle, Bramble, Bauer, Smyth, & Beattie, ; Porock, Clissett, Harwood, & Gladman, ; Simpson, ; Spencer, Foster, Whittamore, Goldberg, & Harwood, ; Walther Nufer & Spichiger, ). These 12 papers were based on nine studies because some papers referred to the same data.…”