“…For this reason, in evaluating the fitness of items in a measurement, a mean-square residual summary statistics, such as Outfit and Infit values, are convenient to use (Wright et al, 1994 ). Moreover, as the employees' QoL is found to diverge at long commutes (Kroesen, 2022 ), indoor soundscapes (Torresin et al, 2021 ; Xiao et al, 2021 ), physical exercise (Xiao et al, 2021 ), food intake (Xiao et al, 2021 ), communication with coworkers (Xiao et al, 2021 ), children at home (Xiao et al, 2021 ), distractions while working (Xiao et al, 2021 ), adjusted work hours (Xiao et al, 2021 ), and job autonomy (Saragih et al, 2021 )–some items may not invariantly measure the employees' QoL between the groups of WFH and WIO. Therefore, if the WHOQOL-BREF is not measurement invariant, the WHOQOL-BREF may be easier for one of the groups to reach a high level of QoL.…”