The following links provide definitions and information on research designs.
Definitons of research designs from Introduction to Evidence Based Practice: A Practical Guide for Nursing by Lisa Hopp and Leslie Rittenmeyer.
Case Controlled studies are where researchers conduct a comparison of cases with a particular outcome and cases without a particular outcome to evaluate the participants’ exposure.
Case Series/Case Report is a research design that track patients with a known exposure given similar treatment or examines their medical records for exposure and outcome.
Cohort studies with a control group are those where a group of people with something in common (a cohort) are followed. This group is compared to another group with similar characteristics/circumstances, with the exception of the factor being investigated.
Cross-sectional studies involve data collected at a defined time, providing a snapshot of a disease in the population (observational studies).
Meta-analysis uses statistical methods to pool the results of independent studies (quantitative). Meta-synthesis is a qualitative analysis of a group of individual studies in which the finding of the studies are pooled.
Randomized Clinical Trial is an experiment using human beings in which the investigator randomly assigns participants in the trial either to a treatment or control (no treatment) group.
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