Returning to the question of analysis of your study...   Based on what I've gleaned, my preference would be for a model in which the number of questionnaires completed is the response. Now I'm thinking about Poisson versus binomial distribution. In a previous response, you imply that the number of questionnaires completed ranges from 1 to 12. How many attempted questionnaires were there (i.e., what was the maximum number of questionnaires that could be completed), and was that number the same for all participants?   ... View more