What formula in SPSS will I run for the following types of questions: There are

Question

What formula in SPSS will I run for the following types of questions: There are 12 participants in the study

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1. Add in third measurement, One Month after end (previous measurements are Before and After). Can you use the same statistical formula from previous question 2 (t test statistic), or does another test need to be used. Identify and explain Why or Why not?

2. What graph form is most appropriate for Before variable?

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Explanation / Answer

1) Use paired t test command

Comapre means - paired samples test

2) With a third measurement you will not be able to use the same command as there are now 3 means

Use one way anova

3) Scatter plot can be used

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