when testing a new drug to treat arthritis what method should be used to avoid bias in the data?

Double- blind experiments. A specific type of clinical experiment in which neither the research subject nor the subjects are aware of the treatment or intervention that each subject is receiving until the trial is over.

In a double-blind trial, neither the participants nor the researchers know which person is receiving a particular therapy. This method is applied to prevent bias from affecting research findings. The placebo effect and demand characteristics can both lead to bias, therefore double-blind trials are very useful in preventing this.

Although every study participant will take a tablet, only some of them will receive the actual medication that is being tested. The remainder of the patients will get an inactive placebo. The participants in a double-blind study are kept anonymous.

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Which action would the nurse take to provide patient-centered care that is focused on continuity and transition?
1. Ask the patient which family member should have access to patient information.
2. Teach the patient how to change the wound dressing at home.
3. Respond promptly to the patient's request for pain medication.
4. Schedule the patient's diagnostic scan after the physical therapy session.