These are two special issues of The Netherlands Journal of Psychology about non-standard structural equation modeling, edited by Frans J. Oort, Annemarie Zand Scholten and me.

• Issue 1
• Issue 2

Content of issue 1:

• Jak, S., Zand Scholten, A. & Oort, F.J. (2012). Preface: Non-standard structural equation modelling. Netherlands Journal of Psychology, 67, 46-47.
• Molenaar D. & Dolan, C.V. (2012). Substantively motivated extensions of the traditional latent trait model.Netherlands Journal of Psychology, 67, 48-57.
• Verdam, M.G.E., Oort, F.J., Visser , M.R.M., & Sprangers, M.A.G. (2012). Response shift detection through then-test and structural equation modelling: Decomposing observed change and testing tacit assumptions. Netherlands Journal of Psychology, 67, 58-67.
• Delsing, M.J.M.H., & Oud, J.H.L. (2012). Causal directions between adolescents’ externalising and internalising problems: A continuous-time analysis. Netherlands Journal of Psychology, 67, 68-80.
• De Kort J.M., Dolan, C.V., & Boomsma, D.I. (2012). Accommodation of genotype-environment covariance in a longitudinal twin design. Netherlands Journal of Psychology, 67, 81-90.
• King-Kallimanis B.L., Oort, F.J., Tishelman, C., & Sprangers, M.A.G. (2012). Comparison of procedures used to test measurement invariance in longitudinal factor analysis. Netherlands Journal of Psychology, 67, 91-100.

Content of issue 2:

• Jak, S., Zand Scholten, A. & Oort, F.J. (2013). Preface: Non-standard structural equation modelling (Part 2). Netherlands Journal of Psychology, 67, 104-105.
• Fischer, K.A., Brandt, H., Schermelleh-Engel, K., Moosbrugger, H.A.G. (2013). Detecting the type of moderated nonlinearity: A screening procedure. Netherlands Journal of Psychology, 67 , 106-113.
• Barendse, M.T., Oort, F.J., Jak, S., & Timmerman, M.E. (2013). Multilevel exploratory factor analysis of discrete data. Netherlands Journal of Psychology, 67 , 114-121.
• Reinecke, J. (2013). Growth curve models and panel dropouts: Applications with criminological panel data. Netherlands Journal of Psychology, 67, 122-131.
• Jak, S., Oort, F.J., Roorda, D.L., Koomen, H.M.Y. (2013). Meta-analytic structural equation modelling with missing correlations. Netherlands Journal of Psychology, 67 , 132-139.