id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-24206	Yan, Yihui; Liang, Yu; Guan, Huiyuan	Kano-DEMATEL-TRIZ-based Product Design for Nail Tables and Chairs: A Two-Category User Study	2025	17	.pdf	application/pdf	7374	333	50	Nail customer user needs were categorized as 5 Must-Requirements, 5 One- Dimensional Requirements, 5 Attractive Requirements, and 5 Indifferent Requirements. After screening and eliminating invalid questionnaires with too short a filling time or contradictory answers, as well as those with contradictory answers to positive and negative questions, 191 valid questionnaires from manicurist users and 284 valid questionnaires from nail customer users were finally collected.	cache/brj-24206.pdf	txt/brj-24206.txt