Fig. 2
From: A virtual experimenter to increase standardization for the investigation of placebo effects
Experimental design (A) and participant verbal input during the interaction (B). a Between pain baseline and retest, participants will be randomly assigned to Metaphor and Instruction. Different sections of the participant interaction with Metaphor (Introduction through Farewell and wrap up) are displayed. The shaded area (Condition assignment) corresponds to allocation to Instruction. b Corresponding to the participant interaction sections, the arrows indicate the time points of verbal input required for the instructions to proceed