A clinical trial is designed to see whether adding calcium to the diets of middle-aged men will reduce their blood pressure. Calcium was added to the diets of a group of subjects. Neither the subjects in the study nor the doctors who work with them know who was given extra calcium. This is called:
Choices:
(A) informed consent
(B) the double-blind technique
(C) random assignment
(D) a confounding variable
Neither the subjects in the study nor the doctors who work with them know who was given extra calcium.
This is called:
(B) the double-blind technique
A clinical trial is designed to see whether adding calcium to the diets of middle-aged men...
Clinical trial The design of the clinical trial for this study represented a single centered, double blind, placebo-controlled trial that utilized randomization to target patients for the trial. The eligible patients for the study were aged 21-90 years and after receiving a biopsy, these patients had confirmed colorectal adenocarcinoma and were deemed eligible for receiving treatment for the surgery to remove their adenocarcinoma, but were instead given an opportunity to participate in this research trial with written informed consent. Potential...
Clinical trials are usually conducted in phases that build on one another. Each phase is designed to answer certain questions. Knowing the phase of the clinical trial is important because it can give you some idea about how much is known about the treatment being studied. There are pros and cons to taking part in each phase of a clinical trial. Phase I clinical trials: Is the treatment safe? Phase I studies of a new drug are usually the first...
1. Which of the following is PROBABLY a case of medical malpractice? I. A doctor neither monitors nor diagnoses cerebral bleeding in a patient with a head injury, resulting in the patient's death. II. A doctor does not examine a person with an eye injury, resulting in vision loss. II. An incorrect diagnosis of cancer on a biopsy (pathology) inspection, leading to unnecessary surgery. A. III only B. I only C. II only D. I, II, III 2. Margaret was...