1. The theory of planned behavior
2. Ajzen, I., and M. Fishbein. 2005. “The Influence of Attitudes on Behavior.” In The Handbook of Attitudes, edited by D. Albarracin, B. T. Johnson, and M. P. Zanna, 173–221. Mahwah, NJ: Lawrence Erlbaum Associates.
3. Alt C. A. Berngruber and S. Hubert. 2014. Trotz Ausbau Kein Platz? Der Einfluss von Einstellungen und Soziodemografischen Faktoren auf die Nicht-Inanspruchnahme öffentlicher Kindertagesbetreuung . [No Place Despite Expansion? The Effects of Attitudes and Socio-Demographic Factors on the Non-use of Public Day Care.] DJI TOP TOPIC: Is the Germany Day Care System Socially Balanced? [Ist das deutsche Kita-System sozial ausgewogen?] www.dji.de/KiBS.
4. The Separation of Work and the Family: Attitudes Towards Women's Labour-Force Participation in Germany, Great Britain, and the United States
5. The effectiveness of early childhood development programs