Table 1.
Methods

Division		Contents
1st FGI	Purpose	Composition and selection of indicator for private-initiated park development project.
	Method	Focus group interview (FGI), questionnaire on importance, collecting advisory opinions on sub-items.
	Participants	15 experts with practical experience in landscaping and urban planning, field design, committee and advisory group.
	Period	First_Sep, 1st. 2022 - Sep, 12th. 2022.
2nd suitability questionnaire	Purpose	Selection of evaluation index for forwarding of private-initiated park development project.Appropriateness of evaluation items for middle classification, suitability for sub-items of subcategory.
	Method	Questionnaire on conformity_non-face-to-face (online) questionnaire, 5-point Likert scale.
	Participants	130 experts with practical experience in landscaping and urban planning, field design, committee and advisory group.
	Period	Second_Sep, 16th. 2022 - Sep, 26th. 2022.