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数据分析——可靠性分析
Summary Item Statistics
Mean Minimum Maximum Range
Maximum /
Minimum Variance N of Items
Item Means 3.875 2.545 4.604 2.059 1.809 .348 28
Item Variances 1.230 .322 2.090 1.769 6.501 .241 28
Inter-Item
Covariances
.081 -.476 1.190 1.666 -2.497 .036 28
Inter-Item
Correlations
.077 -.287 .662 .949 -2.304 .024 28
Reliability Statistics
Cronbach'
s Alpha
Cronbach'
s Alpha
Based on
Standardiz
ed Items
N of
Items
.662 .700 28
a=0.662
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