The reliability of a two-item scale: Pearson, Cronbach, or Spearman-Brown?

Screening for mood and anxiety disorders with the five-item, the three-item, and the two-item Mental Health Inventory

(2009) Pim Cuijpers et al.   PSYCHIATRY RESEARCH

A valid two-item food security questionnaire for screening HIV-1 infected patients in a clinical setting

(2009) Jessica Young et al.   PUBLIC HEALTH NUTRITION

A stress-coping model of mental illness stigma: I. Predictors of cognitive stress appraisal

(2009) Nicolas Rüsch et al.   SCHIZOPHRENIA RESEARCH

The influence of psychological factors on breastfeeding duration

(2008) Maxine O’Brien et al.   JOURNAL OF ADVANCED NURSING

Coefficients Alpha, Beta, Omega, and the glb: Comments on Sijtsma

(2008) William Revelle et al.   PSYCHOMETRIKA

On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha

(2008) Klaas Sijtsma   PSYCHOMETRIKA