|Results of trials of test/feedback interventions|
|Source||Standard control||Sample size||Understanding scores,%|
|Eyler et al., 2004||Y||Supplementary, scripted Q/A by study staff throughout narration. Staff provided correct answer immediately after posing question°||Patients with mental illness||Real||24||57||68||NS|
|Y||Supplementary, scripted Q/A by study staff throughout narration. Staff provided correct answer after patient answered a question°||Patients with mental illness||Real||32||57||67||NS|
|Taub et al.,1983||N°||Participant asked to repeat knowledge quiz (up to three times) if any questions were answered incorrectly°||Elderly volunteers||Real||100||69||89||<.01|
Abbreviations: NA Not available, NS Not significant, Q/A Question and answer.
°Human proctor available for question/answer.
Nishimura et al.
Nishimura et al. BMC Medical Ethics 2013 14:28 doi:10.1186/1472-6939-14-28