jamovi

Thanks so much Ravi

UPDATE: Sample size is 15, but if it's increased to 16 (i.e. random numbers added across all three time points for the purposes of investigating), testing for sphericity seems to work fine..? UPDATE #2: So the SD for two of the three levels is exactly the same, is this why Jamovi is interpreting it ...

I'm testing the sphericity assumption for a Repeated Measures ANOVA with time as the independent variable (baseline; 1 week; 10 weeks): Baseline, Week 1 and Week 10 are entered as RM Factor 1 and transferred to Repeated Measures Cells. Sphericity tests ticked under Assumption Checks but it returns &...