The final pages of this confusing first chapter are devoted to the QARK (Questionnaire for Alcohol Research in the Kimberley), which is based on the HSCL-25 (The Hopkins Symptom Checklist developed in the 1950s) for current symptoms of anxiety and depression, which is based on a four-point 'Likert Scale'.
At the final point in the chapter we learn that a cardio-vascular dietary questionnaire was also delivered with the QARK. Dr.