Satisfaction questionnaire item Condition
p Value
NP version PN version
“Placement of ‘Next’/‘Previous’ buttons: Illogical – Logical” 4.79 (3.22) 7.73 (1.78) F (1, 39)=13.54, p<0.001, reffect=0.51, d=1.18
“Overall reaction to the site: Terrible – Wonderful” 6.89 (1.15) 6.32 (1.52) F (1, 39)=1.82, p=0.19
“Screen layouts: Illogical – Logical” 6.58 (2.12) 7.32 (1.36) F (1, 39)=1.82, p=0.19
“Instructions displayed on the screens: Inadequate – Adequate” 7.74 (1.63) 7.05 (1.89) F (1, 39)=1.55, p=0.22
“Use of terminology throughout the site: Inconsistent – Consistent” 7.74 (1.41) 7.23 (1.34) F (1, 39)=1.40, p=0.24
“Arrangement of information on the screens: Illogical – Logical” 7.42 (1.39) 7.14 (1.67) F (1, 39)=0.35, p=0.56
“Organization of information on the screens: Confusing – Clear” 7.53 (1.47) 7.68 (1.17) F (1, 39)=0.14, p=0.71
Mean across all satisfaction questionnaire items 7.06 (1.16) 7.13 (1.15) p=0.57