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Table 2 Model fit of the linear mixed-effects models for the training progress during the n-back training

From: Effects of simultaneously performed cognitive and physical training in older adults

Model

-2LL

Δdf

Δ-2LL

AIC

BIC

Model 0

2622.67

 

-

2628.67

2642.01

Model 1

2427.32

1

195.35***

2435.32

2453.11

Model 2

2096.25

1

331.07***

2106.25

2128.48

Model 3

2093.12

2

1.80

2107.12

2138.25

  1. Notes. -2LL = -2Log Likelihood, Δdf = Change of degrees of freedom between the models, Δ-2LL = Change of -2Log Likelihood between the models, AIC = Akaike’s information criterion, BIC = Bayesian information criterion of Schwarz. Model 0 = random intercept model, Model 1 = additional fixed effect for slope, Model 2 = additional random effect for slope, Model 3 = additional fixed effects for group and interaction between group and slope.
  2. *** < .001.