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Table 3 Limitations of specific studies

From: Implicit bias in healthcare professionals: a systematic review

Recruitment method not reported 1 [59]
Failed to report response rate 12 [20, 33, 34, 36,37,38,39, 48,49,50, 59, 63]
Response rate reported as ‘low’ 1 [41]
Response rate less than 40% 7 [21, 26, 43, 58, 62, 64, 65]
Explicitly informed participants of the purpose of the study 7 [25, 27, 32, 42, 58, 60, 67]
Gave participants tests or questionnaires that indicated patient characteristic under scrutiny prior to vignette 2 [48, 49]
Did not specify whether they informed participants about the purpose of the study 16 [22, 24, 28,29,30,35,31, 34,35,36, 39, 44, 59, 61, 62, 64, 66]
Small sample size 3 [20, 21, 48]
Failed to report calculating power when designing study All studies failed except the 15 referenced here that did [27,28,29,30,31,32,33,34,35,36, 39, 40, 42, 43, 59]
Full information on statistical methods used not provided 4 [32, 49, 61, 63]