effect_size_for_anova
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effect_size_for_anova [2017/06/02 09:56] – hkimscil | effect_size_for_anova [2018/06/11 08:43] – hkimscil | ||
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====== Effect size for ANOVA ====== | ====== Effect size for ANOVA ====== | ||
- | $ \eta^{2} = \displaystyle \frac {\text{SS}_{\text{treatment}}} {\text{SS}_{\text{total}}} $ | + | $ \eta^{2} = \displaystyle \frac {\text{SS}_{\text{treatment}}} {\text{SS}_{\text{total}}} $ \\ |
- | $ \eta_{p}^{2} = \displaystyle \frac {\text{SS}_{\text{time}}} {\text{SS}_{\text{time}} + \text{SS}_{\text{error}} } $ | + | |
+ | $ \eta_{p}^{2} = \displaystyle \frac {\text{SS}_{\text{effect}}} {\text{SS}_{\text{effect}} + \text{SS}_{\text{error}} } $ | ||
+ | |||
+ | |||
+ | | | ||
+ | | Corrected Model | 280 | 5 | 56 | 3.055 | 0.036 | 0.459 | - | | ||
+ | | Intercept | 2400 | 1 | 2400 | 130.909 | ||
+ | | DRIVE | <fc # | ||
+ | | | ||
+ | | DRIVE * REWARD | < | ||
+ | | Error | 330 | 18 | 18.333 | | | | | | ||
+ | | Total | 3010 | 24 | | ||
+ | | Corrected Total | < | ||
+ | |||
+ | refer to {{: | ||
+ | |||
+ | __eta square (h< | ||
+ | |||
+ | Total = 3010 = 24 + 112 + 144 + 330 + 2400 | ||
+ | Correct Total = <fc # | ||
+ | We use corrected total, 610: | ||
+ | |||
+ | DRIVE: 24/610 = 0.039344262 = 0.039 | ||
+ | REWARD: 112/610 = 0.183606557 = 0.184 | ||
+ | DRIVE*REWARD: | ||
+ | SUM: 0.46 | ||
+ | |||
+ | 46% of dependent variable is accounted for by the IVs. | ||
+ | |||
+ | __partial eta square (h< | ||
+ | SS< | ||
+ | |||
+ | | Effect | ||
+ | | Drive | 24 | 330 | 354 | 0.068 | | ||
+ | | Reward | ||
+ | | Reward * Drive | 144 | 330 | 474 | 0.304 | | ||
effect_size_for_anova.txt · Last modified: 2018/06/11 08:47 by hkimscil