self-administered mail questionnaires to gather data on height and weight, health and medical assignment help
Please answer these questions: a study used self-administered mail questionnaires to gather data on height and weight in order to calculate the measure of obesity. Which of the following types of problems were SURELY AVOIDED by this method of data collection and why. 1. interviewer bias, 2. exposure misclassification 3. confounding 4. selection bias, 5. […]