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Table 2 Frequency of validity and validity assessment terms in titles, abstracts and four databases

From: Searching biomedical databases on complementary medicine: the use of controlled vocabulary among authors, indexers and investigators

Validity Terms Used in the Search Strategies Titles n = 38 Abstracts n = 371 MEDLINE (mh) n = 292 MANTIS (de) n = 282 CINAHL (sh) n = 132 Web of Science n = 262,3,4
Accuracy, accurate 3 10     1
Analysis of variance [mh] [sh] [de]    2   3  
Construct validity [sh] 2 1     
Content validity [sh]       
Convergent       
Criterion / Criterion related validity [sh]   3    1  
Discriminant Analysis [mh] [de] 1 3     
Discriminant validity [sh]       
Face validity [sh]       
Gold standard   1     
Instrumentation [sh]/instrument* 1 3 1 2 1  
Judgment [mh] [sh] 1 1     
Likelihood functions [mh] [de] / Likelihood ratio       
Predict* (predictive, predictor, predictability) 3 7     2
Predictive value of tests [mh] [sh] [de]    6 1 1  
Reference standards [mh] [de]       
ROC / ROC curve [mh] [de]       
Sensitivity and specificity [mh] [sh] [de] 2 7 3   2 2
Valid, validation, validation studies [pt] [sh], validity [sh] 7 6    2 2
Validity Assessment Terms       
Galvanic skin response [mh] [de] 1 1 1 1   
Measure*, Pain Measurement [mh] [sh] [de] 2 7 4 2 4 2
Radiography [mh] [sh] [de] 1 6 2 5 3 1
Thermography [mh] [sh] [de] 1 1 1    1
X-rays [mh]   3     
Terms Used by Authors and Indexers but not in Search Strategies.       
Machine* 1 2     2
Reference values [mh] [sh] [de]   1 2    
Reference based 1 1     
Reproducibility of results [mh] [sh] [de]    7 13   
  1. [mh] = Medical Subject Headings in MEDLINE; [pt] = publication type in MEDLINE; [sh] = Subject Heading in CINAHL [de] = Descriptor in MANTIS Note: 1One study did not have an abstract online. 2Not all studies had abstracts. 3Web of Science does not have a controlled vocabulary. 4Eleven studies had no keywords generated. * is a truncation symbol for a wild card search in PubMed and Web of Science.