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Evaluating Expectancy Effects in Weight Loss Measurement

Completed
Conditions
Accuracy of Clinic-based Weight Measurements
Interventions
Other: clinic-based weight measurements
Registration Number
NCT02101658
Lead Sponsor
University of Alabama at Birmingham
Brief Summary

The purpose of this project is to examine potential bias or expectancies in individuals' measurement and recording of weight in a clinical-research setting.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
59
Inclusion Criteria
  • 19+ years-old
  • available to attend clinic sessions on dates provided for data collection
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Exclusion Criteria
  • younger than 19 years
  • not available on specified dates of data collection
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Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Arm && Interventions
GroupInterventionDescription
weight data assessorsclinic-based weight measurementsstudents recruited to weigh individuals in a research-based clinic
Primary Outcome Measures
NameTimeMethod
accuracy of clinic-based weight measurementbaseline

Participants will be asked to weigh individuals who they have been told are completing either the treatment or control condition of a weight loss trial (individuals will actually be paid actors playing the role of a study participant). Participants will weigh individuals on calibrated balance-beam scales, and the discrepancy between weights recorded when individuals are thought to be a treatment or control participant will be calculated, which is the primary outcome for this study.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

University of Alabama at Birmingham

🇺🇸

Birmingham, Alabama, United States

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