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Quantification of qualitative data using ordered probit models with an application to a business survey in the German service sector
Kaiser, Ulrich, (2000)
Numerische Taxonomie
Opitz, Otto, (1980)
Structural Latent Class Models
FORMANN, ANTON K., (1998)
Development and Testing of the Insulin Treatment Experience Questionnaire (ITEQ)
Moock, Jörn, (2010)
Statistical implications of utility weighted and equally weighted HRQL measures: an empirical study
Wilke, Caitlyn T., (2010)