Paired Sample T Test (Free Access)

Paired Sample T-Test

  • Assess the Normality of the two-time points in terms of variables.
    • If both data are normal then:
    • Analyze
    • Compare means
    • Paired Sample t-test
    • Input the test variable (Pre in variable 1 and post in variable 2)


  • Look at the significance level.
  • If the difference between pre-test and post-test are significant, then the test score is valid. i.e. t is valid at -4.123 (where post-test is higher indicated by the minus sign)