Placebos, double-blind trials and control groups, and societal and economic influences on data

What this note covers

1. Why investigations need controls, placebos and blinding
2. Control groups and placebos explained
3. Single-blind and double-blind trials
4. Societal and economic influences on collecting data
5. Manipulating statistical data
6. Exam practice: justifying trial design

6 sections · 11 key terms & formulas · 6 common mistakes