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Table 2 ROBIS Domain 2 signaling questions [38]

From: Improving peer review of systematic reviews by involving librarians and information specialists: protocol for a randomized controlled trial

ROBIS number Signaling question Rating
2.1 Did the search include an appropriate range of databases/electronic sources for published and unpublished reports? Yes/probably yes/probably no/no/no information
2.2 Were methods additional to database searching used to identify relevant reports? Yes/probably yes/probably no/no/no information
2.3 Were the terms and structure of the search strategy likely to retrieve as many eligible studies as possible? Yes/probably yes/probably no/no/no information
2.4 Were restrictions based on date, publication format, or language appropriate? Yes/probably yes/probably no/no/no information