This source is a(n): Randomized control trial, Literature review, Observation study.

Understand the Problem

The question is asking to classify the type of study represented by the source titled 'An Overview of Eosinophilic Esophagitis'. It provides three possible options for answer: Randomized control trial, Literature review, or Observation study.

More Information

A randomized controlled trial (RCT) is a type of scientific experiment used to measure the effectiveness of treatment in which participants are randomized into different groups to eliminate bias. RCTs are highly valued for establishing causal relationships in clinical research.

Tips

A common mistake is to misidentify an RCT as an observational study or literature review. It's important to note the experimental nature and randomization of subjects in RCTs.

Sources

• Randomized controlled trial - Wikipedia - en.wikipedia.org
• Randomized Controlled Trials | AJR - ajronline.org
• The role of randomized controlled trials, registries, observational ... - sciencedirect.com