Reliability, validity, sampling and ethical practice

What this note covers

1. Evaluate a procedure through its effect on data
2. Reliability concerns consistency
3. Validity concerns the meaning and scope of inference
4. Sample size and representativeness answer different problems
5. Ethical practice protects rights throughout the study
6. Integrate evaluation, ethics and a bounded conclusion
7. Auditing an investigation for evidence quality
8. Ethics and validity in a sensitive survey

8 sections · 10 key terms & formulas · 6 common mistakes