紧急求助：计算AVE。谢谢！！！！！！

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为了检验聚合效度（convergent validity），我需要计算AVE的值。

请问，利用SPSS可以计算AVE （average variance extracted）么？非常感谢！！！！！

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关键词：紧急求助 急求助 AVE validity variance average

算不了 用手算 公式很简单

SPSS，STATA或MPLUS等软件都不提供AVE的计算。
根据AVE的计算公式，在EXCEL里可以方便计算。
同样，CR的计算也不在软件包里。在EXCEL里可以连同AVE一并实现。

There's no provision of AVE in SPSS, but you can calculate it manually:
1. Run EFA and note the factor loading of statements in every factor.
2. Take average of these factor loadings and square it. This is AVE

In a paper published in the Journal of Marketing Research in 1981, a group of statisticians introduced the concept of Average Variance Extracted, a statistic that states how much variance captured by the latent variable in a structural equation model is shared among other variables. The calculation of Average Variance Extracted requires a structural equation model to already exist, since it needs the loadings of the indicators for the latent variable for which it is to be calculated.
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Step 1
List the statistics that will be used for the Average Variance Extracted computation. The statistics needed are the loadings for the indicators on the latent variable of interest, the variance of the latent variable and the variances of the measurement errors for all of the indicators. These statistics should all come directly from your structural equation model.
Step 2
Compute the sum of squares for the indicators loading on the latent variable. List the loadings. Square these loadings. Sum the resulting numbers. Call this value "SSI."
Step 3
Sum the variances of the measurement errors. Call this value "SVe."
Step 4
Compute the denominator for the Average Variance Extracted. Multiply "SSI" by the variance of the latent variable. Add "SVe" to the result. Call this value "Denom."
Step 5
Compute the numerator for the Average Variance Extracted. Multiply "SSI" by the variance of the latent variable. Call this result "Numer."
Step 6
Calculate the Average Variance Extracted. Divide "Numer" by "Denom." The result will be a number between zero and one. This is the Average Variance Extracted.

xiexie

ave值是用专用的软件计算的，经常是使用Lisrel或SPSS软件输出AVE值。