商職學生長期債券投資成本迷思概念診斷工具發展之研究

本研究目的在探討商業類學生對長期債券投資成本的迷思概念，並發展二段式診斷工具測驗試題。從台南縣高中選擇三所學校的商業類學生作為研究對象，共計91位學生進行半開放式問卷施測，再由其中選取9位晤談樣本，用以蒐集迷思概念的理由；相同樣本學校學生，做二段式診斷工具初稿的施測，施測人數有79人，有效問卷數75份。二段式診斷測驗工具的發展，經由半開放式問卷、多次對學生晤談、二段式診斷工具初稿測驗，並建立問卷的專家效度、表面效度、內容效度、與庫李信度後完成。二段式診斷工具測驗試題由整體測試結果分析，庫李信度值為0.758，具有良好的信度；工具的發展分別從施測問卷與晤談結果的理由蒐集配合課程內容分析，亦具有良好的內容效度及專家效度，都可證實所發展的二段式診斷工具有良好信效度。

關鍵字

迷思概念；二段式診斷工具；長期債券投資成本；庫李信度

並列摘要

The main purpose of this research is to investigate the commerce-oriented students' misconceptions for the unit ”The Cost of Long-Term Debt Securities Investments”, to understand the reasons of these misconceptions, and to develop the two-tier diagnostic test; The samples were taken out of 3 classes of commerce students from 3 senior high schools located in Tainan country. There were 91 commerce students to join the half-open-questionnaire test, and then 9 of the participants were invited to join the qualitative interview for further understanding those reasons of students' misconceptions. Last, we tested and developed the two- tier questionnaire. There are 79 samples were tested, the valid samples were 75. The two-tier diagnostic test is accomplished by semi-open-questionnaire, qualitative interviews, and two-tier choice pretest, and established by the surface, content, expert, and Kuder-Richards on reliability validity of diagnostic Tools. Analyzing the result of the test, the two-tier diagnostic instrument have high reliability. Kuder-Richardson reliability equals 0.758. Individually different reasons analysis and students' knowledge analysis supported the two-tier diagnostic instrument with high construct validity. Experts analyzed the primarily two-tier diagnostic test and qualitative interviews supported the two-tier diagnostic test with high content validity and high reliability.