item response theory human 4 adult 3 Adult 2 Humans 2 Psychometrics 2 article 2 psychometry 2 Adolescent 1 Aged 1 Algorithms 1 Computers 1 Cushing Syndrome 1 Cushing syndrome 1 Delay Discounting 1 Disability and Health (ICF) 1 Female 1 Health Surveys 1 ICF core set 1 Impulsive Behavior 1 International Classification of Functioning 1 Male 1 Middle Aged 1 Models, Psychological 1 Models, Statistical 1 Models, Theoretical 1 Mokken scale analysis 1 Personality 1 Quality of Life 1 Rasch modeling 1