do children need to answer questions before presenting when to test for changes in the questionnaire how to test for changes of behavior how many yes or no questions are given before and after a presentation? do children have to answer questions before or after presentation what is the questioning test in a child before and after the presentation what is the difference between a questionnaire before and after a presentation? is there a difference between a questionnaire and repeat measures testing when a child is given a presentation? how many yes answers before presentation how many questions in the avn before treatment can you test for changes in yes/no on a questionnaire what is the difference between and after a presentation what is the difference between an interview and repeated measures do you test for changes before, during, or after treatment? when to use questionnaires before or after a presentation what is the difference between a questionnaire before & after a presentation? how many yes answers before presentation what is the difference between a questionnaire before and after a presentation which questions are tested before and after treatment? when does a questionnaire have to be done after a treatment