A Systematic Review of Modifications and Validation Methods for the Extension of the Keystroke-Level Model

Table 8

Summary of the identified purposes of the selected primary studies and median quality scores.

Purpose ID	Number	Percentage	Median Quality Score
(P1)	20	37.04%	6.00
(P2)	4	7.41%	7.75
(P3)	16	18.52%	4.24
(P4)	12	18.52%	6.00
(P5)	7	9.26%	7.50
(P6)	8	7.41%	5.25