Reference librarians trained in the systematic review process are available to assist with planning and conducting a review. To set up an appointment for help with your systematic review, fill out request form.
The Institute of Medicine Standards for Systematic Reviews include the following requirement (Standard 3.1.1):
"Work with a librarian or other information specialist trained in performing systematic reviews to plan the search strategy"
The Methods Guide for Effectiveness and Comparative Effectiveness Reviews from the Agency for Healthcare Research and Quality (AHRQ) recommends that “[a] librarian or other expert searcher should be involved in the development of the search.”
A systematic review aims to include all relevant studies. Increasing the comprehensiveness (or sensitivity) of a search will reduce its precision and will retrieve more irrelevant articles. Recall (sensitivity) is defined as the number of relevant reports identified divided by the total number of relevant reports in existence. Precision (specificity) is defined as the number of relevant reports identified divided by the total number of reports identified. A thorough search takes time to develop and perform. Issues to consider in performing a comprehensive search: