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University Library, University of Illinois at Urbana-Champaign

Systematic Reviews

PICO and Boolean Operators

P   "subject term" OR "keyword(s)"

AND

I "subject term" OR keyword(s)"

OR

C "subject term/keyword" (may not apply)

AND

O "subject term" OR "keyword(s)"

 

Sensitivity and Precision

  • High Sensitivity = Low Precision
  • Recall/Sensitivity - the number of relevant reports divided by the total number of existing relevant reports
  • Precision - the number of relevant reports divided by the total number of reports identified

Literature Search Tools