Preface; Acknowledgements; Foreword Fred Arnold; List of tables; List of figures; 1. Introduction to sample survey designs; 2. Basic sampling designs; 3. Multi-stage designs; 4. Probability sampling under imperfect frame; 5. Tackling non-sampling errors; 6. Introduction to evaluation design; 7. Designs for causal effects: setting comparison groups; 8. Designs for causal effects: allocation of study units; 9. Statistical tests for measuring impact; 10. Case studies; References; Index.