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Modeling in Therapy01:26

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Promoting Family Communication for Cascade Cancer Genetic Testing With Relational Agent Role-Play: Quasi-Experimental

Timothy Bickmore1, Madison Blain1, Meghan Underhill2

  • 1Relational Agents Group, Khoury College of Computer Sciences, Northeastern University, 360 Huntington Ave, Boston, MA, 02115, United States, 1 6173735477.

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Summary
This summary is machine-generated.

This study shows that the GRACE online tool significantly improved cancer patients' confidence and intent to share genetic testing information with family. The tool enhanced communication skills, though cancer genetics knowledge did not increase.

Keywords:
cancer geneticscancer riskcascade genetic testingcommunication skills trainingembodied conversational agentsvirtual agents

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Area of Science:

  • Genetics
  • Oncology
  • Health Communication

Background:

  • Cascade genetic testing for cancer risk is crucial for at-risk relatives.
  • Patient-led communication of genetic risk information is suboptimal in the US, with only ~30% of relatives tested.
  • There's a clear need for interventions to train cancer patients in communicating genetic risk and motivating family testing.

Purpose of the Study:

  • To evaluate the "GRACE" online relational agent designed to train cancer patients in discussing cancer risk with family.
  • To assess the agent's effectiveness in improving patients' communication skills through role-play simulations.

Main Methods:

  • A quasi-experimental study involving 30 crowd workers with cancer.
  • Pre-post assessment of self-reported intent, importance, comfort, and confidence in sharing genetic test results.
  • Evaluation of cancer genetics knowledge (KnowGene), satisfaction, and usability (System Usability Scale - SUS) of the GRACE system.

Main Results:

  • Significant increases were observed in the likelihood of sharing genetic test information (P=.04), its importance (P=.01), comfort (P=.07), and confidence (P=.03).
  • Cancer genetics knowledge did not show a significant increase.
  • Participants reported high satisfaction (6.09/7.0) and usability (SUS score=71%) with the GRACE system.

Conclusions:

  • The GRACE online agent shows promise in equipping cancer patients with communication skills to engage families about genetic risk.
  • Preliminary findings suggest potential for future impact, but require cautious interpretation due to study limitations (pilot, small sample size, quasi-experimental design).
  • Future research should involve larger-scale evaluations and detailed follow-up on family communication dynamics post-intervention.