Eating Disorder Flexibility Index

Authors

Camilla Lindvall Dahlgren, Trine Wiig Hage, Joseph Arthur Wonderlich, and Kristin Stedal (2019)

The EDFLIX is a questionnaire designed to assess both general and eating disorder-specific cognitive-behavioral flexibility.

What this tool is good for:

This tool is useful for evaluating cognitive and behavioral flexibility in individuals with eating disorders. It provides a method to measure distinctions in cognitive flexibility across different eating disorder profiles.

Access here

Validity and Reliability Papers

Dahlgren, C. L., Hage, T. W., Wonderlich, J. A., & Stedal, K. (2019). General and Eating Disorder Specific Flexibility: Development and Validation of the Eating Disorder Flexibility Index (EDFLIX) Questionnaire. Frontiers in Psychology, 10. https://doi.org/10.3389/fpsyg.2019.00663

Miller, M.L., Hormes, J.M. (2023) Cognitive and Behavioral Inflexibility as a Transdiagnostic Process Underpinning Exercise Dependence. Int J Ment Health Addiction 21, 3446–3457. https://doi.org/10.1007/s11469-022-00802-4

Dann, K.M., Hay, P. & Touyz, S. (2022) Everyday flexibility and functional milestones in anorexia nervosa: survey results from a mixed community sample. Eat Weight Disord 27, 1641–1650.. https://doi.org/10.1007/s40519-021-01300-7;

McKenzie L. Miller, C. Alix Timko, Julia M. Hormes (2024) Factor structure of the Eating Disorder Flexibility Index in U.S. nonclinical collegiate and clinical adolescent samples, Eating Behaviors, 52, 101847, https://doi.org/10.1016/j.eatbeh.2024.101847.

Type of tool

Mechanisms/Processes

Specific gender

Non-specific

Age validated for use with

Adults (18+ years)

Eating disorders

General

Evaluates

Cognitive flexibility, Eating attitudes, Body shape attitudes, Exercise attitudes

Delivery Setting

Self-report

Number of Questions

Specific Populations

Individuals diagnosed with Eating Disorders

Approximate administration time:

15-20-minutes

Free access

Yes

Languages

Norwegian, English