Jochen Hardt

Auxiliary variables in multiple imputation in regression with missing X: a warning against including too many in small sample research

Rainer Leonhart, Jochen Hardt, Max Herke, 2012, BMC Medical Research Methodology.

Validity of adult retrospective reports of adverse childhood experiences: review of the evidence.

Jochen Hardt, M. Rutter, J. Hardt, 2004, Journal of child psychology and psychiatry, and allied disciplines.

Multiple Imputation of Missing Data: A Simulation Study on a Binary Response

Jochen Hardt, Max Herke, J. Hardt, 2013 .

Determinants of health‐related quality of life in patients with persistent somatoform pain disorder

Jochen Hardt, U. Egle, F. Petrak, 2003, European journal of pain.

Prevalence of chronic pain in a representative sample in the United States.

Dedra Buchwald, Jochen Hardt, Jack Goldberg, 2008, Pain medicine.

The symptom checklist-27-plus (SCL-27-plus): a modern conceptualization of a traditional screening instrument

Jochen Hardt, J. Hardt, 2008, Psycho-social medicine.

A short screening instrument for mental health problems: The Symptom Checklist-27 (SCL-27) in Poland and Germany

Jochen Hardt, J. Hardt, Bernd Kappis, 2011, International journal of psychiatry in clinical practice.