Portfolio Research Projects
This page contains a sample of research projects I have supported in the past. Some details have been modified to protect confidentiality. Hiring managers: Please contact David_ha_08@hotmail.com for further details and portfolio presentations.
Effects of Transparency on User Performance and Perception of AI Systems
Year: 2025
Role: Author
Research Method: 2x2x2 Mixed Experimental Design
Research Type: Evaluative Research
School: California State University, Long Beach
Needle Usability Study
Year: 2024
Role: Collaboration in data analysis, generating insights, report writing, facilitated/moderated sessions
Research Method: Usability Study + In-depth Interview (Root-cause Analysis)
Research Type: Evaluative (formative) Research
Company: HFCSI
Ventilator Summative Study
Year: 2023
Role: Collaboration in data analysis, generating insights, report writing, facilitated/moderated sessions
Research Method: Usability Study + In-depth Interview (Root-cause Analysis)
Research Type: Evaluative (late formative) Research
Company: HFCSI
