Unformatted text preview: post test scores for each group. o Baseline- variable that differs across the group sampled o RUN AN INDEPENT T-TEST ON THE TWO OUTCOMES OF THE DEPENDENT SAMPLES • Summary o The dependent samples t-test, or paired samples t-test, tests for differences within one group on two separate occasions or matched (wife and husband/twins) o We count degrees of freedom based on the number of participants not the number of data points We don’t count each test once, just each participant once...
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- Spring '11
- Statistics, Student's t-test, Z-test, Dependent Samples, baseline ptsd levels