“…Finally, in identity achievement relatively firm commitments are made through a period of exploration, independently of parents or other authorities. Both according to the identity status theory and empirical research, identity achievement is the most mature identity status, while diffusion is the least sophisticated and adaptive status, and identity generally develops toward achievement with age (e.g., Berzonsky & Adams, 1999;Kroger, 2000Kroger, , 2003Marcia, 1993a, 1993b, Schwartz, 2001Waterman, 1999). Identity commitment has been found to be essential for personal well-being (e.g., Berzonsky, 2003;Fadjukoff & Pulkkinen, 2006;Meeus, Iedema, Helsen, &Vollebergh, 1999;Vleioras & Bosma, 2005).…”