- Types of research studies:
- Sacred Heart University: https://library.sacredheart.edu/c.php?g=29803&p=185902
- InformedHealth: https://www.ncbi.nlm.nih.gov/books/NBK390304/
- GWU: https://guides.himmelfarb.gwu.edu/PhD/types-of-studies
- Survey studies
- Types of survey studies
- Academic Emergency Medicine: Do's & don'ts of survey study design
- Designing Clinical Research (book)
- Set of links to standardized guidelines for different study types https://www.equator-network.org/reporting-guidelines/