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民意調查 民意調查是什麼？民調什麼意思？ 民意調查又稱為輿論調查或民意測驗，簡稱民調。一般而言，民調是一種為了解公眾對某些政治、社會問題與政策的意見和態度，由專業民調公司或媒體進行的調查方法。 目的在於通過網路、電話、或書面等媒介，對大量樣本的問卷調查抽樣，利用統計學的抽樣理論來推斷較為客觀，且能較為精確地推論社會輿論或民意動向的一種方法。 以下是民意調查的一些基本特點和重要性： 抽樣：由於不可能向每一個人詢問意見，所以調查者會選擇一個代表性的樣本進行調查。這樣本的大小和抽樣方法都會影響調查的準確性和可靠性。 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。 數據分析：收集到的數據將被分析以得出結論。這可能包括計算百分比、平均值、標準差等，以及更複雜的統計分析。 多種用途：民意調查可以用於各種目的，包括政策制定、選舉預測、市場研究、社會科學研究等。 限制：雖然民意調查是一個有價值的工具，但它也有其限制。例如，樣本可能不完全代表目標人群，或者問卷的設計可能導致偏見。 影響決策：民意調查的結果常常被政府、企業和其他組織用來影響其決策。 透明度和誠實：為了維護調查的可信度，調查組織應該提供其調查方法、樣本大小、抽樣方法和可能的誤差範圍等詳細資訊。 民調是怎麼調查的? 民意調查(輿論調查)的意義是指為瞭解大多數民眾的看法、意見、利益與需求，以科學、系統與公正的資料，蒐集可以代表全部群眾(母體)的部分群眾(抽樣)，設計問卷題目後，以人工或電腦詢問部分民眾對特

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