Research

Informal stories, not rigorously analyzed.

Research done in a controlled laboratory setting, using nonhuman species. Often conducted to examine cellular or molecular changes.

Influence or prejudice in a particular direction; any threat to objectivity.

A detailed, rigorous observation and discussion of the effects of a treatment or a condition in one patient or client.

A collection of similar case reports (usually four or more) with a unifying component such as a treatment approach or condition.

Research that looks at safety, efficacy, and effectiveness of interventions in human subjects.

A study that compares one intervention to at least one other that is recognized as effective, with the purpose of determining which is best; can also involve combinations of interventions and other permutations.

Something that interferes with or confuses the connection between the treatment and the outcome.

A group of subjects who do not receive the treatment being studied.

A research study in which each subject is examined under at least two conditions, for instance, while receiving a series of massage sessions and while receiving no massage.