Bibliographic database search sources in original search protocol
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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
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Google and Scirus
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3 (11%)
|
1 (3.5%)
|
Non-database sources in original protocol
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Author contact; forward citation checking (Web of Knowledge); reference list checking; previous EPPI-Centre review; 16 websites; handsearches of 3 journals
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8 (29%)
|
6 (21%)
|
Supplementary search sources
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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%)
|