Effects of Expectations on Negative Affect, Perceived Cognitive Effort, and Pain

NACompletedINTERVENTIONAL
Enrollment

133

Participants

Timeline

Start Date

November 23, 2020

Primary Completion Date

July 8, 2022

Study Completion Date

January 19, 2023

Conditions
PlaceboExpectations
Interventions
BEHAVIORAL

Pain Expectancy Cues

Participants are presented with a social cue that represents how previous participants responded to the upcoming somatic pain stimulus. In actuality, the cue is a social placebo, constructed by the experimenters and varying in intensity.

BEHAVIORAL

Vicarious Pain Expectancy Cues

Participants are presented with a social cue that represents how previous participants responded to the upcoming vicarious pain stimulus. In actuality, the cue is a social placebo, constructed by the experimenters and varying in intensity.

BEHAVIORAL

Cognitive Effort Expectancy Cues

Participants are presented with a social cue that represents how previous participants responded to the upcoming cognitive effort stimulus. In actuality, the cue is a social placebo, constructed by the experimenters and varying in intensity.

Trial Locations (1)

03755

Dartmouth College, Hanover

All Listed Sponsors
collaborator

National Institutes of Health (NIH)

NIH

collaborator

National Institute of Mental Health (NIMH)

NIH

lead

Trustees of Dartmouth College

OTHER