6dec2011 - CR Long C502: Biostatistical Thinking 6 Dec 2011...

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CR Long C502: Biostatistical Thinking 6 Dec 2011 1 Learning Objectives 1. To recognize the two basic types of research designs 2. Recognize commonly used descriptive statistics Types of Studies: Experimental vs. Observational Observational: Take a passive role in study and observe events, or relationships already in place. The most simple observational study is descriptive in nature. Analytical observational studies evaluate associations between variables. Can only determine association, not cause and effect. Observational studies should precede experimental studies. Examples of clinical observational studies: cross-sectional, cohort, case control. Experimental: Take an active role in study, have control over the intervention and examine events. The ability to determine causality (cause and effect). Examples of clinical experimental studies: randomized clinical trials (RCTs). Methods for Summarizing SAMPLE
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This note was uploaded on 01/03/2012 for the course CLIN 51502 taught by Professor Long during the Fall '11 term at Palmer Chiropractic.

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