Working towards Usable Forms on the Worldwide Web: Optimizing Multiple Selection Interface Elements

Table 1

Mean and standard deviation of the checkbox and the list box condition.

	Checkbox	List box	𝑃
	M (SD)	M (SD)
Number of answers per question	5.42 (1.24)	5.19 (1.36)	.200
Response time per question (s)	16.34 (5.98)	20.45 (7.94)	.002
Satisfaction	4.50 (.80)	3.88 (1.53)	.030
Efficiency	4.48 (.84)	4.04 (1.50)	.168
Conformance	4.70 (.60)	4.58 (1.19)	.367