Review:
Retrospective Study
overall review score: 4.5
⭐⭐⭐⭐⭐
score is between 0 and 5
A retrospective study is a type of observational research that looks backwards in time, usually analyzing data or reviewing medical records to study the association between exposure to a particular factor and the occurrence of a specific outcome.
Key Features
- Analyzes past data or events
- Non-interventional in nature
- Used to study causal relationships between variables
Pros
- Allows for the study of rare outcomes or exposures
- Relatively cost-effective compared to prospective studies
- Can provide valuable insights into disease etiology
Cons
- Subject to selection bias and confounding variables
- Cannot establish causation definitively
- Limited control over data collection process