Sarkar et al., 2010
|
Y°
|
Standardized, focus group discussion with study nurse in place of individual counseling°
|
Parents of malnourished children in Vellore, India
|
Real
|
118
|
73
|
73
|
NS
|
Freer et al., 2009
|
Y
|
Information leaflet and supplementary, standardized discussion with study staff°
|
Parents in United Kingdom
|
Simulated
|
21
|
69
|
85
|
0.015
|
|
Y
|
Information leaflet and supplementary, standardized discussion with study staff°
|
Parents in United States
|
Simulated
|
20
|
66
|
75
|
NS
|
Aaronson et al., 1996
|
Y°
|
Same presentation formats. Supplementary telephone conversation with oncology nurse°
|
Patients with cancer
|
Real
|
230
|
66
|
83
|
<.001§
|
Tindall et al., 1994
|
Y
|
Supplementary conversation with enrolling physician°
|
Patients with HIV
|
Real
|
113
|
60
|
63
|
NS∞
|
Simes et al., 1986
|
Y°
|
Uniform consent procedure ensuring total disclosure of information by physicians°
|
Patients with cancer
|
Real
|
57
|
62
|
74
|
0.0001*
|