Define statistical power List the potential consequences of doing a study that has low power, and also a study that has too much power. Explain what a type 1 and type ...

A PQRI expert working group provides case study examples of risk-management applications. The harmonized Q9 Quality Risk Management guideline from the International Conference on Harmonization (ICH) ...

Interventional trials aim to find out more about a particular intervention or treatment. A computer puts people taking part into different treatment groups. This is so that the research team can ...

An approach where the dependent variables are measured before and after an intervention has been delivered. The intervention can either be delivered by the investigator or by others (observational ...

Public health interventions comprise a vast range of approaches, from the relatively simple through to complex national policy interventions. As a consequence, research questions about the ...