How to do spss project analysis

Recently I am talking about the preparation of questionnaires. One of the important contents is item analysis. Item analysis is also an important part of data statistics. The purpose is to determine whether your questionnaire questions are valid and suitable. Today we use spss to conduct project analysis on a data example.

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1. Project analysis The first thing to do is to calculate the total score of the items to be analyzed in the questionnaire.

#2. Then what you need to do is sort the total scores.

3. Then group the sorted total scores. How to group them is to take 27% of the high group and 27% of the low group, named groups 1 and 2 respectively.

#4. Then also group and name the high group.

5. Next you need to make statistics

6. After grouping, group each question into high and low levels test.

#7. Finally, there is a result to see if there is a significant difference between the two groups. If not, it means that the question is not good. Generally, the standard of 27% is adopted.

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