Group that receives a fake treatment or therapy that seems like it would be beneficial but actually has no therapeutic effect.
A study design that includes a control arm, a treatment arm A, a treatment arm B, and treatment arm AB (patient receives both treatments)
The outcome measure of these trials typically are disease oriented and scientist or clinician based.
I.e. when patients with ankle instability are performing balance exercises 5 days per week, during the course of the study they are decreased to only 1 day per week to determine if their instability increases with less treatmetns.
Can be unethical to determine! This is what happens when a disease is allowed to run its course to its natural end to observe what happens over time.
Group that receives a fake drug or medicine which appears to be the same as the experimental group.
The group, or arm, that receives the standard clinically effective treatment
A clinical trial in which data from only those participants who complete the trial and comply with treatment protocol are included.
Each group or subgroup of participants receiving experimental or no treatment (many different types)
The rate at which events occur in the control group of a study.
An experiment testing a strength training protocol conducted in healthy, untrained persons under the supervision of the research team
Randomization technique that can cause an imbalance in subject assignments.
A study design consisting of a treatment group and control group with random allocation to groups.
The group, or arm, that receives the treatment
The data monitoring board reviews the data without knowing which groups are the experimental arm and which are not.
Either the subjects OR the researchers do not know who is receiving treatment
An event that threatens life, results in permanent or long-term disability, hospitalization, birth defect, or congenital abnormality