Cheng, S., Keyes, K. M., Bitfoi, A., Carta, M. G., Koç, C., Goelitz, D., . . . Kovess-Masfety, V. (2018). Understanding parent–teacher agreement of the Strengths and Difficulties Questionnaire (SDQ): Comparison across seven European countries. International Journal of Methods in Psychiatric Research, 27(1), e1589. doi:10.1002/mpr.1589
DeVries, J. M., Gebhardt, M., & Voß, S. (2017). An assessment of measurement invariance in the 3-and 5-factor models of the Strengths and Difficulties Questionnaire: New insights from a longitudinal study. Personality and Individual Differences, 119, 1-6.
Goodman, R. (1997). The Strengths and Difficulties Questionnaire: a research note. Journal of Child Psychology and Psychiatry, 38(5), 581-586.
Kersten, P., Czuba, K., McPherson, K., Dudley, M., Elder, H., Tauroa, R., & Vandal, A. (2016). A systematic review of evidence for the psychometric properties of the Strengths and Difficulties Questionnaire. International Journal of Behavioral Development, 40(1), 64-75.
Kersten, P., Vandal, A. C., Elder, H., Tauroa, R., & McPherson, K. M. (2017). Concurrent validity of the Strengths and Difficulties Questionnaire in an indigenous pre-school population. Journal of Child and Family Studies, 26(8), 2126-2135.
Samejima, F. (1969). Estimation of latent ability using a response pattern of graded scores (Psychometric Monograph No. 17, Part 2). Richmond, VA: Psychometric Society.
van den Heuvel, M., Jansen, D. E., Stewart, R. E., Smits-Engelsman, B. C., Reijneveld, S. A., & Flapper, B. C. (2017). How reliable and valid is the teacher version of the Strengths and Difficulties Questionnaire in primary school children? PloS One, 12(4), e0176605.