收集數據：有多種方法可以收集數據，如面對面訪問、電話訪問、郵件調查或在線調查。 問卷設計：為了確保獲得可靠的結果，問卷必須經過精心設計，問題要清晰、不帶偏見，且易於理解。 Throughout The Muromachi period, the Yamana clan had been nominally shugo in the province; on the other hand, their Command around the province was pretty weak, and local warlords and aggressive neighbors frequently u... https://arayoru.com/