Gunzler, D.; Tang, W.; Lu, N.; Wu, P.; Tu, X. - In: Psychometrika 79 (2014) 4, pp. 543-568
Mediation analysis constitutes an important part of treatment study to identify the mechanisms by which an intervention achieves its effect. Structural equation model (SEM) is a popular framework for modeling such causal relationship. However, current methods impose various restrictions on the...