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Related Experiment Video

Updated: May 8, 2026

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

Published on: March 19, 2021

Development and initial evaluation of a smartphone application based on acceptance and commitment therapy.

Kien Hoa Ly¹, Joanne Dahl, Per Carlbring

¹Department of Behavioural Sciences and Learning, Linköping University, Campus Valla, 581 83 Linköping, Sweden ; Department of Psychology, Uppsala University, von Kraemers allé 1A-C, 751 42 Uppsala, Sweden.

|August 21, 2013

Summary

This study explored a new smartphone app and web program for self-help based on Acceptance and Commitment Therapy (ACT). Early results show increased valued actions and psychological flexibility, suggesting potential for further research.

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Area of Science:

Psychology
Digital Health
Intervention Development

Background:

A novel intervention combining an ACT-based smartphone application and web-based psychoeducation was developed.
This self-help tool aims to support individuals in living consistently with their values.
The study represents an exploratory investigation into this new digital mental health tool.

Purpose of the Study:

To examine the effects of the intervention on valued actions, psychological flexibility, life satisfaction, depression, anxiety, and stress.
To explore participant experiences with the smartphone-based self-help intervention.
To generate hypotheses for future research in digital mental health interventions.

Main Methods:

An exploratory, quasi-experimental pretest-posttest design without a control group was employed.
The study included a non-clinical sample of 11 Swedish iPhone users.
Qualitative data were collected via a questionnaire to assess user experience.

Main Results:

Significant increases in valued actions and psychological flexibility were observed.
Small effect sizes were noted for value-based actions and psychological flexibility.
Participant feedback indicated a generally positive experience with the intervention.

Conclusions:

The findings suggest the intervention warrants further investigation in larger, controlled studies.
The study generated hypotheses regarding the efficacy and user experience of ACT-based digital tools.
Further research is recommended to confirm these preliminary findings and explore broader applications.