[1] "ANOVA Analysis - Main and Interaction effects"
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Error: factor(participant)
          Df Sum Sq Mean Sq F value Pr(>F)  
group      1 0.5121  0.5121   3.327 0.0981 .
Residuals 10 1.5389  0.1539                 
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Error: factor(participant):system
             Df Sum Sq Mean Sq F value   Pr(>F)    
system        1 0.1112  0.1112   2.232 0.166068    
group:system  1 1.6895  1.6895  33.902 0.000168 ***
Residuals    10 0.4983  0.0498                     
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
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[1] "Effect sizes"
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# Effect Size for ANOVA (Type I)

Group                      |    Parameter | Eta2 (partial) |       95% CI
-------------------------------------------------------------------------
factor(participant)        |        group |           0.25 | [0.00, 1.00]
factor(participant):system |       system |           0.18 | [0.00, 1.00]
factor(participant):system | group:system |           0.77 | [0.48, 1.00]

- One-sided CIs: upper bound fixed at [1.00].