References
- Brown, T. A. (2015). Confirmatory factor analysis for applied research. New York, NY: Guilford Press.
- Chen, F. F. (2007). Sensitivity of goodness of fit indexes to lack of measurement invariance. Structural Equation Modeling: A Multidisciplinary Journal, 14, 464–504. doi:10.1080/10705510701301834
- Cheung, G. W., & Rensvold, R. B. (2002). Evaluating goodness-of-fit indexes for testing measurement invariance. Structural Equation Modeling: A Multidisciplinary Journal, 9, 233–255. doi:10.1207/s15328007sem0902_5
- Dahl, A. (2015). The developing social context of infant helping in two US samples. Child Development, 86, 1080–1093. doi:10.1111/cdev.12361
- Dunfield, K., Kuhlmeier, V. A., O’Connell, L., & Kelley, E. (2011). Examining the diversity of prosocial behavior: Helping, sharing, and comforting in infancy. Infancy, 16, 227–247. doi:10.1111/j.1532-7078.2010.00041.x
- Dunfield, K. A. (2014). A construct divided: Prosocial behavior as helping, sharing, and comforting subtypes. Frontiers in Psychology, 5, 111–123. doi:10.3389/fpsyg.2014.00958
- Eisenberg, N., Fabes, R. A., & Spinrad, T. L. (2006). Prosocial development. In N. Eisenberg, W. Damon, & R. M. Lerner (Eds.), Handbook of child psychology: Vol. 3, social, emotional, and personality development (6th ed., pp. 646–718). Hoboken, NJ: Wiley.
- Goodman, R. (1997). The strengths and difficulties questionnaire: A research note. Journal of Child Psychology and Psychiatry, 38, 581–586.10.1111/jcpp.1997.38.issue-5
- Kärtner, J., Schuhmacher, N., & Collard, J. (2014). Socio-cognitive influences on the domain-specificity of prosocial behavior in the second year. Infant Behavior & Development, 37, 665–675. doi:10.1016/j.infbeh.2014.08.004
- R Core Team. (2015). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. Retrieved from http://www.R-project.org/
- Rheingold, H. L. (1982). Little children’s participation in the work of adults, a nascent prosocial behavior. Child Development, 53, 114–125. doi:10.2307/1129643
- Rheingold, H. L., & Emery, G. N. (1986). The nurturant acts of very young children. In D. Olweus, J. Block, & M. Radke-Yarrow (Eds.), Development of antisocial and prosocial behavior: Research, theories and issues (pp. 75–96). New York, NY: Academic Press.
- Rheingold, H. L., Hay, D. F., & West, M. J. (1976). Sharing in the second year of life. Child Development, 47, 1148–1158. doi:10.2307/1128454
- Rosseel, Y. (2012). Lavaan: An R package for structural equation modeling. Journal of Statistical Software, 48(2), 1–36. doi:10.18637/jss.v048.i02
- Satorra, A. (2000). Scaled and adjusted restricted tests in multisample analysis of moment structures. In D. D. H. Heijmans, D. S. G. Pollock, & A. Storra (Eds.), Innovations in multivariate statistical analysis: A Festschrift for Heinz Neudecker (pp. 233–247). Dordrecht: Kluwer Academic Publishers.10.1007/978-1-4615-4603-0
- Schuhmacher, N., Collard, J., & Kärtner, J. (2016). The differential role of parenting, peers, and temperament for explaining interindividual differences in 18-months-olds’ comforting and helping. Manuscript submitted for publication.
- Svetlova, M., Nichols, S. R., & Brownell, C. A. (2010). Toddlers prosocial behavior: From instrumental to empathic to altruistic helping. Child Development, 81, 1814–1827. doi:10.1111/j.1467-8624.2010.01512.x
- Van de Schoot, R., Lugtig, P., & Hox, J. (2012). A checklist for testing measurement invariance. European Journal of Developmental Psychology, 9, 486–492. doi:10.1080/17405629.2012.686740
- Vandenberg, R. J., & Lance, C. E. (2000). A review and synthesis of the measurement invariance literature: Suggestions, practices, and recommendations for organizational research. Organizational Research Methods, 3, 4–70. doi:10.1177/109442810031002
- Zahn-Waxler, C., & Radke-Yarrow, M. (1990). The origins of empathic concern. Motivation and Emotion, 14, 107–130. doi:10.1007/BF00991639