“…If all criteria are met, the respondent is classified as successfully aged. Many recent studies have employed this general process with only small variations, though conceptualizations vary across studies (e.g., Brandt, Deindl, & Hank, 2012; Feng, Son, & Zeng, 2015; Nosraty, Pulkki, Raitanen, Enroth, & Jylhä, 2017; Schafer & Ferraro, 2011). The advantages of this approach are twofold.…”