An Innovative Design Methodology KKBDCA for Affective Product Development

Table 2

Design feature decomposition.

Design attribute	Design; element	Type I	Type II	Type III	Type IV
	Power (X1) key	Pushing-on type (X11)	Turning-on type (X12)	Sliding-on type (X13)
Hardware design	Picturing switch button (X2)			Combined with the function key (X23)
	Function; Key type (X3)
	Screen size (X4)	3.5′′ (X41)	3′′ (X42)	2.7′′ (X43)	2.5′′ (X44)
	Len type (X5)
Form style	Upper face (X6)
	Front face (X7)
	Side face (X8)
Color type	Front face: brightness (X9)	No; (X91)	Low; (X92)	Medium; (X93)	High; (X94)
	Front face: hue (X10)	No; (X101)	Low; (X102)	Medium; (X103)	High; (X104)
	Rear face: color (X11)	Same with front face; (X111)	Black; (X112)	Silver; (X113)