Journal article

The Importance of Rating Scale Design in the Measurement of Patient-Reported Outcomes Using Questionnaires or Item Banks

Jyoti Khadka, Colm McAlinden, Vijaya K Gothwal, Ecosse L Lamoureux, Konrad Pesudovs

Investigative Ophthalmology and Visual Science | ASSOC RESEARCH VISION OPHTHALMOLOGY INC | Published : 2012