SPSS統(tǒng)計(jì)實(shí)驗(yàn)報(bào)告多因素方差分析

1、班級(jí)期末成績(jī)教師等級(jí)187119611801190118821702167227222702275228622773268326533613393138813803385338533803多因素方差分析期末成績(jī)是否受班級(jí)不同、教師等級(jí)水平的不同而出現(xiàn)顯著性差異？并對(duì)影響因素做出比較。Between-Subjects FactorsN教師等級(jí)162738班級(jí)172737Tests of Between-Subjects EffectsDependent Variable:期末成績(jī)SourceType III Sum of SquaresdfMean SquareFSig.Corrected Mo

2、del942.438a5188.4882.748.059122248.5481122248.5481.782E3.000教師等級(jí)527.4482263.7243.845.045班級(jí)95.880247.940.699.513教師等級(jí) * 班級(jí)24.048124.048.351.563Error1028.8001568.587Total133665.00021Corrected Total1971.23820a. R Squared = .478 (Adjusted R Squared = .304)表中可看出方差模型對(duì)應(yīng)的自由度為5，均方=188.488，F(xiàn)檢驗(yàn)統(tǒng)計(jì)量的觀測(cè)值=2.748，P值=

3、0.059大于顯著性水平0.05，即說(shuō)明模型不存在顯著性差異。觀測(cè)變量（期末成績(jī)）總變差平方和=1971.238，總共被分解為四部分。1） 班級(jí)不同引起的變差=95.8802） 教師等級(jí)不同引起的變差=527.4483） 教師等級(jí)和班級(jí)不同交互作用引起的變差=24.0484） 隨機(jī)因素引起的變差=1028.800.教師等級(jí)的P值=0.045班級(jí)的P值=0.513交互作用的P值=0.563，交互作用的P值大于顯著性水平取0.05的值，即交互作用不顯著，即為不飽和模型。Test ResultsDependent Variable:期末成績(jī)SourceSum of SquaresdfMean Squ

4、areFSig.Contrast272.8072136.4041.989.171Error1028.8001568.587Multiple ComparisonsDependent Variable:期末成績(jī)(I) 教師等級(jí)(J) 教師等級(jí)Mean Difference (I-J)Std. ErrorSig.95% Confidence IntervalLower BoundUpper BoundLSD1213.57*4.608.0103.7523.39313.88*4.473.0074.3423.4121-13.57*4.608.010-23.39-3.753.304.286.944-8.8

5、39.4431-13.88*4.473.007-23.41-4.342-.304.286.944-9.448.83Tamhane1213.57*3.856.0152.6324.51313.88*3.970.0142.8124.9421-13.57*3.856.015-24.51-2.633.304.5271.000-12.0912.7031-13.88*3.970.014-24.94-2.812-.304.5271.000-12.7012.09Based on observed means. The error term is Mean Square(Error) = 68.587.*. Th

6、e mean difference is significant at the .05 level.Multiple ComparisonsDependent Variable:期末成績(jī)(I) 班級(jí)(J) 班級(jí)Mean Difference (I-J)Std. ErrorSig.95% Confidence IntervalLower BoundUpper BoundLSD129.294.427.053-.1518.723.864.427.849-8.5810.2921-9.294.427.053-18.72.153-8.434.427.076-17.861.0131-.864.427.849

7、-10.298.5828.434.427.076-1.0117.86Tamhane129.294.828.228-4.4623.033.865.596.998-14.6516.3721-9.294.828.228-23.034.463-8.434.657.268-21.614.7531-.865.596.998-16.3714.6528.434.657.268-4.7521.61Based on observed means. The error term is Mean Square(Error) = 68.587.比較不同班級(jí)，不同教師等級(jí)水平對(duì)期末成績(jī)的影響，并從圖中可知教師等級(jí)水平不同

8、和班級(jí)不同都會(huì)對(duì)期末成績(jī)產(chǎn)生一定的影響，通過(guò)對(duì)教師等級(jí)不同和班級(jí)不同對(duì)期末成績(jī)影響的比較可知班級(jí)對(duì)期末成績(jī)的影響大于教師等級(jí)水平對(duì)期末成績(jī)的影響。飽和模型K矩陣Contrast Results (K Matrix)教師等級(jí) Deviation ContrastaDependent Variable期末成績(jī)Level 1 vs. MeanContrast Estimate6.283Hypothesized Value0Difference (Estimate - Hypothesized)6.283Std. Error5.078Sig.23595% Confidence Interval for

9、 DifferenceLower Bound-4.540Upper Bound17.106Level 2 vs. MeanContrast Estimate-.267Hypothesized Value0Difference (Estimate - Hypothesized)-.267Std. Error4.808Sig.95795% Confidence Interval for DifferenceLower Bound-10.515Upper Bound9.981a. Omitted category = 3Test ResultsDependent Variable:期末成績(jī)SourceSum of SquaresdfMean SquareFSig.Contrast272.8072136.4041.989.171Error1028.8001568.587K矩陣對(duì)比結(jié)果：教師等級(jí)水平1下期末成績(jī)均值與檢驗(yàn)值的差=6.283，教師等級(jí)水平2下期末成績(jī)均值與檢驗(yàn)值的差=-0.267，即從中可看出在教師水平等級(jí)1下的期末成績(jī)的均值大于在教師水平2下的期末成績(jī)的