Table 2 Basic information of the respondents

Variables	Items	Frequency	Percent (%)
Age	Under 30’s	9	34.62
	30’s∼40’s	5	19.23
	40’s∼50’s	6	23.08
	Over 50’s	6	23.08
Major	Landscape architecture	25	96.15
	Architecture	1	3.85
Job	Planning & design	10	38.46
	Construction	8	30.77
	Technical work	1	3.85
	Administrative job	3	11.54
	Researcher	4	15.38
Academic background	Doctor's degree	10	38.46
	Master's degree	6	23.08
	Bachelor's degree	10	38.46
Working seniority	Less than 5 years	8	30.77
	5∼10 years	3	11.54
	10∼20 years	8	30.77
	20∼30 years	4	15.38
	More than 30 years	3	11.54
Total		26 (100%)