Study types Flashcards

(26 cards)

1
Q

What are the broad types of studies?

A

Observational vs Experimental

**Observational **
Descriptive
* Case report
* Case-series
* Descriptive survey

Analytic
* Ecological
* Case-control
* Cross-sectional
* Cohort (retrospective/prospective)

Experimental/Interventional
* RCT
* Non-randomised controlled trials

Syntheses
* Scoping reviews
* Reviews
* Systematic review
* Meta-analysis

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2
Q

What is the evidence heirarchy?

A
  1. SR and meta-analysis of RCTs, cohort, case-control
  2. Systematic review (SR)
  3. RCT
  4. Cohort
  5. Case-control
  6. Cross-sectional
  7. Case-series
  8. Case report
  9. Expert opinion
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3
Q

What is a case-control study and when is it used?

A
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4
Q

What are the strenghts of a case-control study?

A
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5
Q

What are the weaknesses of a case-control study?

A
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6
Q

What is a cohort study and when is it used?

A
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7
Q

What are the strenghts of a cohort study?

A
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8
Q

What are the weaknesses of a cohort study?

A
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9
Q

What is a cross-sectional study and when is it used?

A
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10
Q

What are the strenghts of a cross-sectional study?

A
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11
Q

What are the weaknesses of a cross-sectional study?

A
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12
Q

What is an ecological study and when is it used?

A
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13
Q

What are the strengths of an ecological study?

A
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14
Q

What are the weaknesses of an ecological study?

A
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15
Q

What is a randomised controlled trial and when is it used?

A
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16
Q

What are the strengths of a randomised controlled trial?

17
Q

What are the weaknesses of a randomised controlled trial?

18
Q

What is a non-randomised controlled trial and when is it used?

19
Q

What are the strengths of a non-randomised controlled trial?

20
Q

What are the weaknesses of a non-randomised controlled trial?

21
Q

What is a systematic review?

22
Q

What is a meta-analysis?

23
Q

What is a forest plot? Describe the key features of a forest plot?

24
Q

What is a funnel plot? Describe the key features.

25
What are reasons for assymmetry in a funnel plot?
26