In natural and social science research, a protocol is most commonly a predefined procedural method in the design and implementation of an experiment.

Protocol analysis is a psychological research method that elicits verbal reports from research participants. Protocol analysis is used to study thinking in ...

Preregistration is the practice of registering the hypotheses, methods, or analyses of a scientific study before it is conducted.

A think-aloud (or thinking aloud) protocol is a method used to gather data in usability testing in product design and development.

The protocol review assesses the ethics of the research and its methods, promotes fully informed and voluntary participation by prospective subjects, and seeks ...

In international law, a treaty that supplements or adds to a pre-existing treaty is often called a "protocol". For example, the Kyoto Protocol was supplemental ...

Clinical trials are medical research studies conducted on human subjects. The human subjects are assigned to one or more interventions, ...

Clinical trials are prospective biomedical or behavioral research studies on human participants designed to answer specific questions about biomedical or ...

The phases of clinical research are the stages in which scientists conduct experiments with a health intervention to obtain sufficient evidence

Institutional Animal Care and Use Committees (IACUCs) are centrally important in applying laws about animal research in the United States.