CH7.ppt - CH7 研 � 設 計 1 CH 7 7.1  時機決定一切 時間的流逝就是經歷的變化。時間和變化是密

CH7.ppt - CH7 研 � 設 計 1 CH 7 7.1...

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1 CH7 CH7 研 究 設 計 研 究 設 計
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2 7.1 時機決定一切 時間的流逝就是經歷的變化。時間和變化是密 不可分的。事實上,變化需要時間。變化的產 生的前提是時間往前推移。所以,時間是任何 關於變化之研究的核心。 7.2 橫剖研究設計 橫剖( cross-sectional )研究能夠滿足 我們記錄某個特定時間點的研究需求。 CH 7
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3 在執行過程中,為了蒐集所需資料,研究人員 會(比如通過調查)訪問各種具有代表性 cross-section ,譯按:橫剖亦即跨及 各種相關類別)的人群。 國家民意研究中心( National Opinion Research )展開的全國綜合社會普查( GS S )的目的是瞭解美國人各方面的態度和行為 ,該調查的主體就是橫剖研究。 橫剖研究實用性強、而且被廣泛採用,但儘管 如此,它也有美中不足的地方。一旦遇到要分 析變化的時候,橫剖研究就不能勝任了。 CH 7
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4 7.3 縱貫研究設計 縱貫研究 longitudinal research )的 資料蒐集工作在兩個或更多個時間點進行。通 過這種方法,在研究變化這個問題上,縱貫研 究比橫剖研究更勝一籌。
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