Search source type and stage of searching in protocol | Search sources | Included on full-text (N = 28)* | Studies only found within this group of sources (% of 28 studies) |
---|---|---|---|
Bibliographic database search sources in original search protocol | Applied Social Sciences Index and Abstracts (ASSIA); Bibliomap; Cumulative Index to Nursing and Allied Health Literature (CINAHL); Education Resources Information Center (ERIC); HealthPromis; PsycINFO; PubMed; Social Sciences Citation Index(SSCI); Dissertation Abstracts; | 16 (57%) | 9 (32%) |
Search engines in original search protocol | Google and Scirus | 3 (11%) | 1 (3.5%) |
Non-database sources in original protocol | Author contact; forward citation checking (Web of Knowledge); reference list checking; previous EPPI-Centre review; 16 websites; handsearches of 3 journals | 8 (29%) | 6 (21%) |
Supplementary search sources | British Education Index; Child data; IBSS, Index of British Theses; Social Care Online; (The British Library Integrated Catalogue and Zetoc were also searched but did not yield additional studies) | 10 (36%) | 5 (18%) |