QuestionSBA
QuestionChoice
This is the definition of a randomised controlled trial. Randomised controlled trials are used to compare the efficacy of a new drug or treatment on the market compared to what is already available.

These are done on real patients and are usually 'double blind', meaning both the patient themselves nor the researcher do not know which participant is getting the treatment and who is not.
10001970
d
A group of participants are given a treatment for a condition, either the treatment being researched or a placebo (or what is currently being used in medicine)
QuestionChoice
This is the definition of a case series. These are important in communicating the appearance of diseases that have not previously been reported - very commonly used in the field of infectious diseases.
10001971
e
A collection of patient reports detailing a constellation of symptoms and how they were treated, usually describing a condition that has not been studied before
QuestionChoice
This is the definition of a systematic review. These are long projects where researchers will sometimes go through all of the studies done on a particular topic. This is done in a very structured way, known as the systematic review. The end result is a written paper summarising the consensus of all of the papers.
10001967
a
An analysis of multiple studies on a particular topic, usually randomised controlled trials, during which the reviewer assesses the quality, bias and confounding factors
QuestionChoice
This is the definition of a cohort study. For example, a group of people who have all smoked 20 cigarettes a day for 10 years, are monitored for the next 10 years to see who develops lung cancer and who does not. These studies are useful for identifying disease risk factors.
10001968
b
A group of people all exposed to the same factor are followed over time to see who acquires a certain condition and who does not
QuestionChoice
This is the definition of a case-control study. These are retrospective studies that help to identify risk factors for conditions.
10001969
c
A group of people with a condition are compared alongside a group of people without a condition, to identify any common exposures in the group with the condition that is not present in the group without the condition
Concept
Chapter
2693
3995
Research Skills
Topic
178
Medical Statistics
12940
Which of the following statements correctly describes a systematic review?
a