Survey Methods in Community Medicine: Epidemiological Studies, Programme Evaluation, Clinical Trials

First Steps. Types of Investigation. Stages of an Investigation. Formulating the Objectives. The Objectives of Evaluative Studies. The Study Population. Control Groups. Sampling. The Variables. Defining the Variables. Definitions of Diseases. Scales of Measurement. Composite Scales. Methods of Collecting Data. Reliability. Validity. Interviews and Self-Administered Questionnaires. Constructing a Questionnaire. Surverying the Opinions of Experts. The Use of Documentary Sources. Planning the Records. Planning the Analysis. Pretests and Other Practical Preparations. Collecting the Data. Processing the Data. Interpreting the Findings. Making Sense of Associations. Generalizing from the Findings. Writing a Report. Clinical Trials. Programme Trials. Community-Orientated Primary Care. Appendix: Random Numbers. Index