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LATEST WORK

UX RESEARCH INTERNSHIP

F# is a fast-growing advertising start-up in the digital music industry. We create interactive ad experiences that use music to connect brands with an international audience. As a UX research intern, I identify pain points using various UX research methods and offer solutions to improve the usability and performance of our ad experiences. I also conduct user research to determine how  users interact with our application and what features should be implemented in future iterations. My responsibilities at F# include:

  • Reporting on opportunities for desktop and mobile experience optimization based on in-depth click path analyses

  • Conducting competitor analyses to inform design of new product features

  • Creating personas of current users

  • Researching APIs for software applications to inspire ad campaign ideation

  • Identifying issues with current metrics collected to measure performance of application features, make daily requests for new metrics to development team

  • Working in Agile Scrum environment using tools such as JIRA to communicate with all members of production team

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RELATING EEG MEASURES TO OCCURENCE OF INATTENTIONAL BLINDNESS

Inattentional blindness, which is a failure to notice an unexpected stimulus in one's field of vision, may cause catastrophic accidents when pilots operating aircraft do not respond to critical events on the tarmac or in the air. This collaborative project between NASA Langley Research Center and Old Dominion University examined whether certain electroencephalogram (EEG) measures modulate when people exhibit inattentional blindness. My responsibilities on this project included:

  • Literature review

  • Assist Principal Investigator and other collaborators in experimental design and task design

  • Present proposed experimental protocol and task to NASA team

  • Participate in brain-storming meetings

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REDESIGNING THE REDBOX INTERFACE FOR VISUALLY IMPAIRED USERS

Touch-screen interfaces are increasingly employed to aid users in obtaining information, communicating, and carrying out transactions. However, because interactions with touch-screen interfaces are visually driven, such interfaces may be inaccessible to the visually impaired. My team and I redesigned the current RedBox kiosk to make the interfaces more accessible to visually impaired users. My responsibilities on this project included:

  • Stakeholder interviews

  • Competitor analysis

  • Persona and scenario development

  • Construct low-fidelity, paper prototype of the redesigned interface

  • Conduct usability testing with six users on paper prototype

  • Analyze usability testing data to inform next design iteration

  • Present findings at 2016 ODU Graduate Research Achievement Day

EXAMINING USERS' DEPENDENCY ON AUTOMATED AIDS IN VISUAL SEARCH AND SPEEDED JUDGMENT TASKS

Automation may be used to assist human operators perform tasks such as driving cars, flying planes, controlling nuclear power plant processes, and locating enemy targets. Although automated aids are typically implemented to improve humans' accuracy, response time, or workload, humans may alter their behavior when provided automated assistance, potentially leading to suboptimal performance of the human-automation team. This series of studies examined whether humans alter response speeds  when provided automation that assisted them in detecting targets and making difficult judgments as quickly and accurately as possible. My responsibilities on these studies included:

  • Literature review

  • Participant recruitment and screening

  • Collect response time, error rate, and survey data for 80 participants

  • Analyze data using SPSS and R

  • Create meaningful and easy-to-understand figures to visually communicate notable findings

  • Present findings at international conferences including the 2016 Applied Human Factors and Ergonomics Conference and the 2015 Annual Meeting of the Human Factors and Ergonomics Society

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MEASURING TEAM COLLABORATION AND THE EFFECTS OF TARGET GUIDANCE IN A VISUAL SEARCH TASK

Many professional operations such as search and rescue, reconnaisance, and surveillance involve a team of operators searching for a target on a common visual display. This study quantified the performance efficiency of pairs of operators performing a difficult visual search task to determine whether operators slow, speed, or maintain response speeds when collaborating with a teammate compared to their independent performance. Such analysis allows researchers to determine when operators' response speeds can be improved beyond current performance. My responsibilities on this project included:

  • Literature review

  • Experimental design

  • Task design

  • Program task in E-Prime 2.0

  • Participant recruitment and screening

  • Collect response time, error rate, and survey data for 68 participants

  • Analyze data using SPSS and R

  • Create figures to visually communicate notable findings

  • Report and defend findings at Master's thesis defense meeting

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THE ROLE OF EYE MOVEMENT SHADOWING IN VISUAL SEARCH FOR THREAT OBJECTS

Baggage screening is a signal detection task that occurs within the context of brief search time, high variabililty in what defines a target, and low expectation of target presence. I examined whether searchers performing a baggage screening task exhibited greater target detection accuracy when presented with the eye movement behavior of another searcher prior to task performance, compared to when no such information is provided. My responsibilities on this project included:

  • Literature review

  • Experimental design

  • Program baggage screening task using SR Research Experiment Builder

  • Participant recruitment and screening

  • Collect eye tracking, detection accuracy, and survey data for 60 participants

  • Analyze eye tracking data using SR Research Data Viewer

  • Analyze detection accuracy and survey data using SPSS

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