Skip to main content

Table 4 Results of trials of test/feedback interventions

From: Improving understanding in the research informed consent process: a systematic review of 54 interventions tested in randomized control trials

Source

Standard control

   

Sample size

Understanding scores,%

 
  

Intervention

Population

Scenario

 

Control

Intervention

P Value

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

  1. Abbreviations: NA Not available, NS Not significant, Q/A Question and answer.
  2. °Human proctor available for question/answer.
Back to article page

BMC Medical Ethics

ISSN: 1472-6939

Contact us