Scaling Analysis of Posttreatment Attributions Identifying Semantic Connections Underlying Free-Text Attributions 
pain
The first dimension ranged from primarily biomechanical words to primarily mind- or brain-related words. The location of each participant’s posttreatment attributions in the first dimension is shown, with 95% CIs around each condition’s mean location (top). Participants randomized to PRT vs placebo and usual care were significantly further toward the mind and brain end of the first dimension, and scores further toward the mind and brain end of the first dimension were associated with greater pain reduction.