2000, Part of book or chapter of book (Kohli, M.; Künemund, H. (ed.), Die zweite Lebenshälfte - Gesellschaftliche Lage und Partizipation im Spiegel des Alters-Survey, pp. 124-175)
2008, Part of book or chapter of book (Hymel, S.; Swearer, S.; Gillette, P. (ed.), Bullying at School and Online, a special invited issue of education.com, pp. url)
2001, Part of book or chapter of book (Dittmann-Kohli, F.; Bode, C.; Westerhof, G.J. (ed.), Die zweite Lebenshälfte - Psychologische Perspektiven: Ergebnisse des Alters-Survey, pp. 169-191)
1999, Part of book or chapter of book (Dittmann-Kohli, F.; Bode, C.; Westerhof, G.J. (ed.), Die zweite Lebenshälfte - Psychologische Perspektiven: Ergebnisse des Alters-Survey, pp. 153-174)
2017, Part of book or chapter of book (Graaf, B. de; Rinnooy Kan, A. (ed.), Hoe zwaar is licht: Meer dan 100 dringende vragen aan de wetenschap, pp. 324-326)
2004, Part of book or chapter of book (Goossens, L.; Hutsebaut, D.; Verschueren, K. (ed.), Ontwikkeling en levensloop: Liber amicorum Alfons Marcoen, pp. 323-340)