How do I analyze data in SPSS for a paired samples T-test?

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Background | Enter Data | Analyze Data | Interpret Data | Report Data

Let’s analyze this data

 

Now that the data is entered and saved, let’s go to the Analyze menu and process it. Click Analyze, click Compare means and then Click Paired-Samples T Test.

 

 

Paired Samples T-Test Box

 

This will appear. You will see your variables in the box on the left. Your goal is to get both variables over to the right.

 

Highlight both variables

 

Click on each of the two variable names to highlight them. Make sure both variables are highlighted at the same time. You will see each variable name in the “Current Selections” box in the bottom left. That’s a good sign. When you are finished highlighting the variables, move them both over by clicking the arrow button.

 


 

 After you move the variables

 

You will see that both variable names appear in the “Paired Variables” window on the right. You will see a little dash between the variables and the variables. When you are finished, click the OK button and wait a few seconds for processing.

 

 

You will see your results

 

Your results will appear in an output file that is something separate from the data file. It will probably look something like this.

 

 

 

Save the results!  

 

Make sure you save your results to a meaningful place and with a meaningful name. You can do this by clicking File and then Save or Save As. I will choose the name “Effect of Caffeine on Number of Hours of Sleep Output.spo” This name will help me access the file in the future.

 

 

Background | Enter Data | Analyze Data | Interpret Data | Report Data

 

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