The goal of the informed consent process is to ensure that the research subject is treated with respect and human dignity. The process does this by safeguarding and advocating for the subject's right ...

Recruitment is generally the first contact between researchers and prospective participants (whether through paper-based or online announcements, media communications, or face-to-face interactions) ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...