[100 Multilevel Questions]Sample size for twolevel CFA/SEM?

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Dear all,

I would be grateful for your ideas on the question what one might consider as an appropriate sample size for level 2 units when conducting a twolevel SEM.

For example, when modeling a twolevel CFA with 5 indicators within and 5 indicators between groups (level 2), does this mean that the standard sample size recommendations for single-level factor analysis (e.g. Tabachnik and Fidell recommend 300 cases per factor) hold for twolevel analysis as well? Or are "things different" for twolevel CFA, e.g. because the level 2 units should have a higher reliability because they represent means of level-1 indictors?

Many thanks for your answers!

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关键词：Multilevel questions question Sample Level

• A Monte Carlo sample size study: how many countries are needed for accurate multilevel SEM? Bart Meuleman UGent and Jaak Billiet (2009) SURVEY RESEARCH METHODS. 3(1). p.45-58
  

• How few countries will do? Comparative survey analysis from a Bayesian perspective Hox, J.J.; Van de Schoot, R.; Matthijsse, Suzette, Survey Research Methods, Volume: 6, Issue: 2 (2012), pp. 87-93