Experiments DB Dev
69 lines
3.0 KiB
Plaintext
69 lines
3.0 KiB
Plaintext
==============================================================================
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VARIATION: right_only_d0_5 [metric: success RATE (success/attempts)]
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==============================================================================
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model: behavior ~ stim + day + stim:day + (1|rat) (behavior = success RATE (success/attempts))
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day = training day within window (0 = first analyzed day)
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treatment (stim=1): Electrode-Box-B2, Right-Electrode
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control (stim=0): Electrode-Box-A2
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N = 7 rats, 42 sessions raw day coverage: treat 0..5, control 0..5
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(equal day coverage over this window)
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==============================================================================
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FULL MODEL SUMMARY -- fitlme
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==============================================================================
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Linear mixed-effects model fit by ML
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Model information:
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Number of observations 42
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Fixed effects coefficients 4
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Random effects coefficients 7
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Covariance parameters 2
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Formula:
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behavior ~ 1 + day*stim + (1 | rat)
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Model fit statistics:
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AIC BIC LogLikelihood Deviance
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-78.771 -68.345 45.385 -90.771
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Fixed effects coefficients (95% CIs):
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Name Estimate SE tStat DF pValue
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{'(Intercept)'} 0.2186 0.041919 5.2147 38 6.7762e-06
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{'day' } 0.043366 0.010166 4.2656 38 0.00012743
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{'stim' } -0.074496 0.055454 -1.3434 38 0.18712
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{'day:stim' } 0.049806 0.013449 3.7033 38 0.00067357
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Lower Upper
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0.13374 0.30346
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0.022785 0.063946
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-0.18676 0.037766
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0.02258 0.077032
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Random effects covariance parameters (95% CIs):
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Group: rat (7 Levels)
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Name1 Name2 Type Estimate
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{'(Intercept)'} {'(Intercept)'} {'std'} 0.049289
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Lower Upper
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0.023894 0.10168
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Group: Error
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Name Estimate Lower Upper
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{'Res Std'} 0.073663 0.058279 0.093108
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effect t(df) / F(df1) p (resid) Satterthwaite: p (df)
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----------------------------------------------------------------------------
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stim x day (interaction) t(38)= 3.70 F(1)= 13.715 p=0.0006736 p=0.0007295 (df=35)
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day (learning) t(38)= 4.27 F(1)= 18.195 p=0.0001274 p=0.0001438 (df=35)
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stim (main, window start) t(38)= -1.34 F(1)= 1.805 p=0.1871 p=0.1975 (df=16)
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interaction 95% CI: [+0.02258, +0.07703]
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HONEST LME (per-animal random slope, day|rat): interaction F(1,7.0)=9.42, p=0.0181
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(Satterthwaite DF ~= residual on this random-intercept model; the random-slope
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model above is the honest learning-rate test -- DF collapses toward the animal count.)
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INTERPRETATION: stim x day interaction SIGNIFICANT positive -- treatment improves FASTER (benefit accumulates) (p=0.0006736, slope diff=+0.04981)
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Paper (N=24, count): interaction t(227)=2.68, F(1)=7.12, p=0.008.
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