豆子編製2/6/2013心理測驗SPSS上機：信度分析資料輸入Data輸入頁變項定義頁1豆子編製2/6/20132豆子編製2/6/20133豆子編製2/6/20134豆子編製2/6/2013ReliabilityAnalysis本次課題包含：※如何進行各種信度分析1.再測信度（Test-RetestReliability）2.複本信度（Alternate-formReliability）3.折半信度（Split-halfReliability）4.內部一致性（InternalConsistencyCoefficient）【計算α係數】5.KR20【壹】再測信度（Test-RetestReliability）某空間性向測驗有20題單選題，分別在十月與第二年四月施測同一組10名學生，以下是測驗結果，請計算信度。PersonOctAprA1818B1618C56D1316E1517F1616G1214H55I87J1011步驟一按【Analyze】→【Correlate】→【Bivariate…】5豆子編製2/6/2013步驟二會出現下面的對話框，將左邊兩變項選入右邊「Variables」內，在「CorrelationCoefficients」方盒內選取「□Pearson」；在「TestofSignificance」方盒內選取「□Two-tailed」；勾選最下面的「□Flagsignificantcorrelations」，之後按鍵。補充若想呈現平均及標準差則可在按鍵前按進入下個對話框，在Statistics的方盒內選取「□Meansandstandarddeviations」，按繼續。CorrelationsDescriptiveStatisticsMeanStd.DeviationOCT11.80004.66190APR12.80005.13809N10106豆子編製2/6/2013CorrelationsOCTOCTPearsonCorrelationSig.(2-tailed)NPearsonCorrelationSig.(2-tailed)N1.10.972**.00010APR.972**.000101.10APR**.Correlationissignificantatthe0.01level(2-tailed).紙筆計算結果：PersonOctAprA1818B1618288C5630D1316208E1517255F1616256G1214168H5525I8756J1011110σX11.84.422612.84.8744X1X2324N=10rXX??X1X2=1720(1720/10)?(11.8)(12.8)172?151.04??.97228?.97(4.42264.8744)()21.557521【貳】複本信度（Alternate-formReliability）某自我概念量表，有20題是非題，題本A與B分別施測同一組10個人，分數愈高表示愈具有正向自我概念，以下是施測結果，請計算信度。PersonFormAA16B12C14D10E910F1112G1314H99I1616J1213FormB15121510做法與再測信度相同，請參照。CorrelationsDescriptiveStatisticsMeanStd.DeviationFORM_A12.20002.57337FORM_B12.60002.41293N10107豆子編製2/6/2013CorrelationsFORM_AFORM_APearsonCorrelationSig.(2-tailed)NPearsonCorrelationSig.(2-tailed)N1.10.963**.00010FORM_B.963**.000101.10FORM_B**.Correlationissignificantatthe0.01level(2-tailed).紙筆計算結果：PersonFormAFormBXAXBN=10A1615240B1212C1415D1010E91090F1112132G1314182H99I1616J1213σX12.22.441312.62.289ΣXAXB=159114421010081256156rxx?(1591/10)?(12.2)(12.6)159.1?153.72??.9627?.96(2.44132.2891)()5.5883798【參】折半信度（Split-halfReliability）6題的隨堂測驗施測5位學生，