Teng is in a better position than a professional researcher to engage in long-term observation of the month-long harvest festival of the Thao, for example, because he lives in the local area. Thus it is that he has been able to record the Thao tribe's religious festivals over a long period.
例如，長達一個月的邵族豐年祭，對研究者而言，要長時間的觀察有其困難，鄧相揚基於地利之便，得以長期記錄邵族的宗教祭典，提供研究學者很多幫助。