Suspected COVID-19 U07.2
Conditions
Interventions
Group 1: Laypersons recruited online not receiving support from an online decision aid
Group 2: Laypersons recruited online receiving support from an interactive mock-up decision aid
Group 3: Layperso
Sponsors
Charité Campus Charité Mitte
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: US residents
Exclusion criteria
Exclusion criteria: Professional medical background (ie nurses, paramedics, physicians etc.)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Decision accuracy (number of fictitious clinical vignettes correctly appraised by the participants; minimum 0, maximum 14) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1) Participants’ decisional (un)certainty was assessed using O'Connor's (1995) Decisional Conflict Subscale following the appraisal of all seven fictitious vignettes. 2) Participants mental effort on appraising the vignettes was assessed after assessment of each vignette using the Cognitive Load Measurement instrument presented by Paas et al. (2003). For participants in the intervention group we additionally surveyed 3) perceived usefulness of the decision aids using a scale from Davis' Technology Acceptance Model (1989), 4) ease of use of the decision aids using a scale scales from Davis' Technology Acceptance Model (1989), 5) self-reported trust in the decision aid's recommendations using a custom 7-point Likert scale, 6) self-reported future intention to use the decision aid (again) using a a custom 7-point Likert scale, after appraisal of all seven case vignettes. | — |
Countries
United States
Contacts
Public ContactMalte Schmieding
Institute of Medical Informatics, Charité - Universitätsmedizin Berlin
Outcome results
None listed