頁籤選單縮合
題 名 | 農業郵寄調查中未回覆問題之探討=A Study of Nonresponse Problems in Agricultural Mail Survey |
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作 者 | 董時叡; | 書刊名 | 農林學報 |
卷 期 | 47:1 1998.03[民87.03] |
頁 次 | 頁21-31 |
分類號 | 430.28 |
關鍵詞 | 郵寄調查; 未回覆偏誤; 催收函; 外在效度; Mail survey; Nonresponse error; Follow-up letter; External validity; |
語 文 | 中文(Chinese) |
中文摘要 | 隨著調查研究在農業研究中普遍被使用,郵寄調查被使用的機會也日益增加。但 低回收率以及郵寄問卷回覆者和未回覆者間存在的可能特性差異,也一直困擾著研究者。 本研究發現基層農業推廣員對於郵寄調查,拒訪的經驗明顯高於面訪和電話調查。而進 一步比較郵寄調查中回覆者和未回覆者的特性後,發現這兩個群組在接觸問卷調查的經驗、 對問卷調查的態度、以及在回答問項的同質性上,皆有顯著的差異。因此研究者在推論分析 的結果時,應審慎保守為宜。 而要提高郵寄問卷的回收率,在第一次問卷寄出一段時間後,再寄催收函附加問卷,可 以有效增加受訪者的回覆意願和行為,這是農業調查研究者將來可以參考運用的。 |
英文摘要 | The application of mail survey has been increasing, along with the prevalent ulitization of survey research in agricultural study. In the meantime, the emergence of low response rate and the existence of characteristics differences between and nonrespondents indeed annoy the mail survey users. This study points out that for the township extention agents, the refusal rate of mail survey is significantly higher than that of either face-to-face interview or telephone interview. The comparisons between response group and nonresponse group exhibits that the differences in the agent's experiences in accessing survey research, attitude toward survey, and the homogeneity in answering are obvious. The implication that the generalization of the mail survey results should be more conservative and careful is thus raised to avoid a low external validity. To send out a follow-up letter and a new questionnaire with return postage is proven to be an effective way in promoting response rate and reducing nonresponse error in mail survey. It significantly motivates the respondents to reply. In essence, this approach can be further used in future agricultural research. |
本系統中英文摘要資訊取自各篇刊載內容。