EHS 260 Lecture 18: EHS 260 - lecture 18-1

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18 Jun 2018

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Research Design

Different designs can be employed depending on:

The question that is being asked

The time available

The funding available

There are always pros and cons to any research design

Research designs

Observational

•Descriptive

Correlation

Case reports and case series

Cross-sectional

•Analytical

Case-control

Cohort studies (retrospective & prospective)

Experimental

RCT

Observational Studies: When the changes occur as a result of natural history

Longitudinal or Prospective Studies

 When the study occurs over time

Retrospective Study

When the study looks back in time after the occurrence or injury

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