Working towards Usable Forms on the World Wide Web: Optimizing Date Entry Input Fields

Table 2

Statistics for time needed to fill the dates.

Version	Time needed (s)
	M(s)	SD
Version 1 (separate)	3.68	2.69
Version 2 (drop-down)	6.94	2.88
Version 3 (left)	3.61	2.82
Version 4 (inside, permanent)	4.15	2.49
Version 5 (inside)	3.41	2.32
Version 6 (calendar)	5.03	5.40