Research

A study whose results are reported without statistical testing.

Neither the participants nor the scientists collecting or processing the data know which participants are in the intervention arm and which are in the control arm of a study.

A study that examines whether an intervention is effective in an environment that is similar to or is a real-life setting.

A study that examines whether an intervention is effective in a controlled environment that may use randomization, blinding, strict inclusion criteria, specific protocols with the interventions, and precise, objective measures.

Evidence based on practical experimentation and observation, rather than on theory or logic.

A type of qualitative research in which investigators immerse themselves in a real-life environment to collect observed data.

A small project that examines certain aspects of research design to determine the extent to which they may be practical in a full-scale research study.

A supposition or proposed explanation/outcome made on the basis of evidence as the starting point for further research.

ExperimentAlso called independent ethics committee or ethical review board: a formal committee that oversees the ethical considerations of human experimentation.

A scale in which a patient or subject in a study indicates a level of agreement with statements that are arranged in order from more to less strong or vice versa.