Design of Chatbot Persona for Breast Cancer Screening Outreach Among Black Women
NCT ID: NCT05472064
Last Updated: 2023-05-16
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
550 participants
OBSERVATIONAL
2022-08-22
2022-12-27
Brief Summary
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Detailed Description
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The chatbot message delivery will be systematically varied across two components, each of which is represented by a separate factor in the 2x2x1 factorial study design with a control arm. Specifically, each participant will be randomly assigned to one of five separate experimental conditions. Conditions include: (1) chatbot with a primary care doctor persona and direct communication style; (2) chatbot with a breast cancer survivor persona and direct communication style; (3) chatbot with a primary care doctor persona and indirect communication style; and (4) chatbot with a breast cancer survivor persona and indirect communication style. All participants will complete a survey regarding their perceptions about the initial outreach messages from the chatbot.
The main effects will be estimated of the two experimental factors and their interactions on the study's primary outcomes - trust in the chatbot system to use for breast cancer screening education and scheduling, and intention to use. This information will guide the design of an optimized chatbot persona that achieves the primary outcomes.
Participants will be enrolled if they are Black individuals who qualify for breast cancer screening residing in the United States who are between the ages of 40-74. Recruitment will be conducted on Prolific, an online participant pooling platform, and Amazon Mechanical Turk (MTurk), a crowdsourcing platform used for research recruitment. Prolific will be used given the platform's ability for selecting the participant population. However, due to the limited number of individuals within the inclusion criteria on Prolific, and if needed participants will also be recruited on MTurk. Participants will be asked to view the chatbot messages and respond to questions to assess trust, engagement, and directness of the chatbot.
Conditions
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Study Groups
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Group 1
Primary care doctor persona with direct messages
Persona: Primary care doctor
The chatbot persona is a Black woman who is a primary care doctor.
Communication Style: Direct
The chatbot messages are characterized by commands and direct addresses (''you'').
Group 2
Breast cancer survivor persona with direct messages
Persona: Breast cancer survivor
The chatbot persona is a Black woman who is a breast cancer survivor.
Communication Style: Direct
The chatbot messages are characterized by commands and direct addresses (''you'').
Group 3
Primary care doctor with indirect messages
Persona: Primary care doctor
The chatbot persona is a Black woman who is a primary care doctor.
Communication Style: Indirect
The chatbot messages are characterized by subjunctive modal verb forms (''would like'') and cooperative addresses (''we", "let's").
Group 4
Breast cancer survivor persona with indirect messages
Persona: Breast cancer survivor
The chatbot persona is a Black woman who is a breast cancer survivor.
Communication Style: Indirect
The chatbot messages are characterized by subjunctive modal verb forms (''would like'') and cooperative addresses (''we", "let's").
Group 5
Control
No interventions assigned to this group
Interventions
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Persona: Primary care doctor
The chatbot persona is a Black woman who is a primary care doctor.
Persona: Breast cancer survivor
The chatbot persona is a Black woman who is a breast cancer survivor.
Communication Style: Direct
The chatbot messages are characterized by commands and direct addresses (''you'').
Communication Style: Indirect
The chatbot messages are characterized by subjunctive modal verb forms (''would like'') and cooperative addresses (''we", "let's").
Eligibility Criteria
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Inclusion Criteria
* who identify as Black
Exclusion Criteria
* Participants who complete the survey in less than half the normal average time
* Participants who do not pass the attention check
40 Years
74 Years
FEMALE
No
Sponsors
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National Cancer Institute (NCI)
NIH
University of Washington
OTHER
Responsible Party
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Leah Marcotte
Assistant Professor, School of Medicine
Principal Investigators
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Leah Marcotte, MD
Role: PRINCIPAL_INVESTIGATOR
University of Washington
Locations
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University of Washington Medical Center
Seattle, Washington, United States
Countries
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Other Identifiers
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STUDY00011606
Identifier Type: -
Identifier Source: org_study_id
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