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by M.LB
Wed Apr 19, 2017 6:12 pm
Forum: SPSS for beginners
Topic: Paired sample t-test - cannot be computed
Replies: 4
Views: 25

Paired sample t-test - cannot be computed

Hi, I am trying to do a paired sample t test between values of SF-12 physical pre (A) and post (B). This is my syntax: T-TEST PAIRS=A_SF12PhysicaHealth WITH B_SF12PhysicaHealth (PAIRED) /CRITERIA=CI(.9500) /MISSING=ANALYSIS However, I always get this message: "The correlation and t cannot be compute...

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