“…Variable-and individual-oriented analyses allow for systematic study, for example, of rank-order stability, within-individual and population mean level stability, individual profile stability, and stability of profile type membership (Akse, Hale III, Engels, Raaijkmakers, & Meeus, 2007;Conley, 1985;Biesanz, West, & Kwok, 2003). Such analyses will shed more light on fundamental issues in individual development across the life span in different species (Block, 1971;Magnusson, 1988;Mervielde & Asendorpf, 2000;van Aken, 2008).…”