Table 3: Subjective evaluation of the six versions.

Version Comfortableness Speed/Efficiency
M SD M SD

Version 1 (separate) 3.75 1.71 3.80 1.71
Version 2 (drop-down) 3.65 1.85 3.30 1.74
Version 3 (left) 4.04 1.44 4.23 1.44
Version 4 (inside, permanent) 2.66 1.38 2.72 1.39
Version 5 (inside) 3.95 1.39 4.10 1.50
Version 6 (calendar) 3.70 1.82 3.35 1.73

6-point Likert scales, 1 = does not apply; 6 = applies.