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Evidence-Based Practice Resources - Interactive Guide

Definition (Single studies)

A thumbnail version of the 6s pyramid with the green Single Studies level highlighted.

Single Studies

There are many different types of single studies including: Randomized controlled trials, Cohort studies, Case control studies, Case series, Case studies etc. Each will have its own methodology and must be critically appraised in order to assess both the quality of the study (i.e. how well it applies and reports the particular methodology), and its relevance to your patient or patients.

LEARN MORE: Understanding Research Study Designs

 

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Systems is the top level of the 6s pyramid. Example: evidence-based clinical information system. This level of the pyramid is grey on the image being described.
Summaries are the second level from the top of the 6s pyramid. Examples: practice guideline, evidence summary. This level of the pyramid is yellow on the image being described.
Synopses of syntheses are the third level from the top of the 6s pyramid. Example: pre-appraised systematic review. This level of the pyramid is pale red on the image being described.
Syntheses are the fourth level from the top of the 6s pyramid. Example: systematic review. This level of the pyramid is pink on the image being described.
Synopses of single studies are the second level from the bottom of the 6s pyramid. Example: pre-appraised single study. This level of the pyramid is blue on the image being described.
Single studies is the bottom level of the 6s pyramid. Example: randommized controlled trial, cohort study. This level of the pyramid is green on the image being described.

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