Table. 1 Model variables and group-level priors

μ_{0, VAS 30}

N (30, 100)

Prior mean for low intensity

μ_{0, VAS 50}

N (50, 100)

Prior mean for medium intensity^a

μ_{0, VAS 70}

N (70, 100)

Prior mean for high intensity

log (σ_μ0)

N (1.5, 0.5)

Standard deviation of prior means

α

N (0.5, 0.3)

Scaling parameter

h

N (0, 1)

Habituation term

log (τ₀)

N (1.5, 0.5)

Prior standard deviation

log (τ₁)

N (1.5, 0.5)

Posterior standard deviation

μ₁

Posterior mean

w_{VAS 30}

Probability of low intensity

w_{VAS 50}

Probability of medium intensity

w_{VAS 70}

Probability of high intensity

 y_i

\(\in\) {30, 50, 70}

Likelihood mean

 t

∈ [1,15]

Trial number

 Ratings

∈ [0,100]

Pain ratings