Table 2.
Summary of the posterior distributions on the group-level free parameters under the various cognitive models.
| Description of parameter | Mean of posterior (95% HDR) | |
|---|---|---|
| Model 1 (DIC = 6457) | ||
| β(κ)c(κ)=0 | Intercept on μ(κ) | 3.06 (2.65, 3.51) |
| β(κ)c(κ)=1 | Psychosis on μ(κ) | −0.833 (−1.46, −0.193) |
| β(ς)c(ς)=0 | Intercept on μ(ς) | 0.0611 (−0.117, 0.24) |
| β(ς)c(ς)=1 | Psychosis on μ(ς) | 0.273 (−0.0264, 0.574) |
| β(ζ)c(ζ)=0 | Intercept on μ(ζ) | 1.46 (1.14, 1.78) |
| β(ζ)c(ζ)=1 | Psychosis on μ(ζ) | −0.184 (−0.903, 0.583) |
| σ(κ) | SD on κ | 1.39 (1.09, 1.71) |
| σ(ς) | SD on ς | 0.919 (0.78, 1.06) |
| σ(ζ) | SD on ζ | 0.367 (0.018, 0.705) |
| Model 2 (DIC = 6401) | ||
| β(κ)c(κ)=0 | Intercept on μ(κ) | 3.06 (2.67, 3.5) |
| β(κ)c(κ)=1 | Psychosis on μ(κ) | −0.971 (−1.44, −0.513) |
| β(ς)c(ς)=0 | Intercept on μ(ς) | 0.157 (0.0139, 0.302) |
| β(ζ)c(ζ)=0 | Intercept on μ(ζ) | 1.44 (1.13, 1.74) |
| σ(κ) | SD on κ | 1.37 (1.1, 1.66) |
| σ(ς) | SD on ς | 0.924 (0.785, 1.07) |
| σ(ζ) | SD on ζ | 0342 (0.00901, 0.661) |
| Model 3 (DIC = 6441) | ||
| β(κ)c(κ)=0 | Intercept on μ(κ) | 2.78 (2.41, 3.18) |
| β(ς)c(ς)=0 | Intercept on μ(ς) | 0.158 (0.0142, 0.302) |
| β(ζ)c(ζ)=0 | Intercept on μ(ζ) | 1.41 (1.08, 1.74) |
| σ(κ) | SD on κ | 1.45 (1.16, 1.77) |
| σ(ς) | SD on ς | 0.923 (0.783, 1.06) |
| σ(ζ) | SD on ζ | 0.364 (0.0081, 0.7) |
| Model 4 (DIC = 6350) | ||
| β(κ)c(κ)=0 | Intercept on μ(κ) | 2.88 (2.39, 3.4) |
| β(κ)c(κ)=1 | Psychosis on μ(κ) | −0.518 (−0.972, −0.0798) |
| β(κ)c(κ)=2 | Age on μ(κ) | 0.00447 (−0.15, 0.155) |
| β(κ)c(κ)=3 | Sex on μ(κ) | −0.28 (−0.674, 0.124) |
| β(κ)c(κ)=4 | g on μ(κ) | 0.711 (0.418, 1.02) |
| β(κ)c(κ)=5 | Psychosis-by-interaction g on μ(κ) | −0.00489 (−0.469, 0.469) |
| β(ς)c(ς)=0 | Intercept on μ(ς) | 0.158 (0.0155, 0.304) |
| β(ζ)c(ζ)=0 | Intercept on μ(ζ) | 1.42 (1.11, 1.74) |
| σ(κ) | SD on κ | 1.21 (0.963, 1.47) |
| σ(ς) | SD on ς | 0.922 (0.783, 1.06) |
| σ(ζ) | SD on ζ | 0.344 (0.00577, 0.671) |
DIC, deviance information criterion
SD, standard deviation
HDR, highest-density region