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Table 4 Search filter testing framework

From: Evaluating the impact of MEDLINE filters on evidence retrieval: study protocol

Development Stage one Promising search filters are developed through a rigorous process of combining terms in various ways. The relevance of each article in a set of articles is defined a reference standard. The ability of a filter to restrict the set of articles to those that are relevant is then considered.
Validation Stage two Promising filters are independently evaluated on a second, distinct, set of articles to ensure equivalent performance in replication.
Physician search performance Stage three Determine whether search filters improve end-user searching performance (i.e., recall and precision).
Physician knowledge Stage four Determine whether search filters improve physician knowledge.
Medical decisions
or care
Stage five Determine whether the acquired knowledge changes medical decision making or processes of care.
Patient outcomes Stage six Determine whether patient outcomes are improved.