Cue | Key themes | Key changes | Version |
---|---|---|---|
Clothing | Not professional (e.g., scrubs) | Updated the VHA so she was dressed in business casual clothing rather than scrubs | Print to V1 |
Real/Fake | Low quality, animated, robotic looking | Changed lighting to introduce depth in visual features | V.1 to V.2 |
Scary/Creepy | Looked like a vampire (e.g., "fangs") | Added shading to mouth and teeth | V.1 to V.2 |
Expertise | Preference for doctor vs. nurse or lay health worker | Added white coat (e.g., business casual was too casual) | V.1 to V.2 |
Authority | Preference for middle age (e.g., too young = not enough knowledge vs. too old = not enough current knowledge) | Removed gray hair | V.1 to V.2 |
Trustworthiness | Desire for accurate, relevant information, desire to not feel targeted | Removed color-coded response options (e.g. red = “no”) to prevent perception of judgment when answering questions | V.1 to V.2 |
Navigability | Perceptions of how easy it is to use and navigate through the app | Added pause button with ability to tap to pause. Updated text size of subtitles. Removed user transition from waiting room to clinic room | V.1 to V.2 |
Movement | Unnatural movements, excessive hand gestures and rocking | Used motion capture suits to update motion to correspond with script (e.g. breathing animation) | V.2 to V.3 |
Appearance | More feminine, more dignified | Changed hairstyle, added jewelry | V.2 to V.3 |
Friendliness/likability | Angry looking, stressed out, not approachable | Added smile, removed furrowed brow | V.2 to V.3 |
Interactivity | Poor eye contact, low interactivity, limited opportunity to ask questions or have responses tailored to personal needs | Focused eye gaze, added randomness in eye movements (e.g., static to dynamic), new response option for health behavior questions (e.g., “yes, occasionally”), reduced extra info in VHA script | V.2 to V.3 |
Voice | Reading from a script, too fast/ loud, persuasive intent, subtitles not synched with audio | Selected race and gender concordant voice, adjusted subtitle speed, hired professional voice actors to record script, presented options to users | All |