“…There are relatively few independent investigations of the ProQOL's validity (Heritage, Reese, & Hegney, ; Hemsworth et al., ). The few studies that used factor analyses were conducted in hopes of validating the ProQOL‐4 (Lago & Codo, ; Musa & Hamid, ; Palestini, Prati, Pietrantoni, & Cicognani, ; Shen, Yu, Zhang, & Jiang, ; Sprang & Craig, ) and ProQOL 5 (Dang et al., ; Galiana, Arena, Oliver, Sanso, & Benito, ; Hemsworth et al., ; Samson, Lecovich, & Shvartzman, ) in languages other than English. For example, using exploratory factor analyses, Musa and Hamid () found only two dimensions of the ProQOL‐4, with one assessing CS and the other CF (i.e., a combination BO and STS), but several items had to be discarded.…”