Sobel test is sometimes needed when doing intermediary effect. Sobel test can be calculated manually or in Excel, but these all need to be calculated step by step, which is more troublesome. Of course, if you download Sobel applet, it will be more convenient to calculate, but you should also set the corresponding formula.

In fact, the process plug-in of SPSS can automatically generate Sobel test results, including specific effect values and significance levels. Please refer to the blog post "Statistical Analysis of SPSS Data" (click to enter) "Advantages, Steps and Disadvantages of Using SPSS Process as Mediation and Adjustment" for the specific operation steps of Process.