“…A major strength of this study is that the performance of the SSP was tested in a larger cancer population than similar validation studies of other instruments (Arraras et al., 2010; Guzelant et al., 2004; Lim, Miller, Kaambwa, & Koczwara, 2017; Lui, Gallo‐Hershberg, & DeAngelis, 2017; Rucci et al., 2018; Villoria & Lara, 2018; Yung et al., 2018). A large sample size makes it possible to perform psychometric analyses across subgroups, which is important for confirming the general applicability of a measure (McHorney et al., 1994).…”