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Project Duration

10 weeks


Perceptual/Cognitive Human Factors (IACT 375) Sung Park

Team Members

Maik Rieffenstahl

Sejal Mittal

Acalapati Priyatama

Samantha Shultz


Figma, Adobe CC, Miro

My Role

UX Writing and Research


Doubloons is a pirate-themed scavenger hunt that utilizes an interactive app with AR technology that helps children complete quests in a treasure hunt. The child is motivated to engage in physical activity by a reward that their parent has hidden in a treasure chest.

Vision Video


We were given 10 weeks to create a system to solve a problem based off of a psychological need. The need we identified as a team was competence, specifically physical competence in a social context.



Many children suffer from low physical and social competence.

Obesity affects around 13 million children.

Parents do not know what socially engaging activities would encourage their child to be more physically active.

Children who struggle with physical and social competence


Defining Competence

Physical Competence: Doing well at sports, learning new outdoor games readily, and preferring to play sports rather than watch others play

Social Competence: Having a lot of friends, being easy to like, and being a frequent contributor in social interactions

Target Audience


Children who struggle with physical and social competence

Primary Research



Survey Participants


Research Insights

Parents have a lack of understanding of the importance of competence

Some children feel less motivated to do physical activities

Some children feel less motivated to interact with other kids

Children of ages 6-7 develop the physical skills, motor skills and attention span that sports require

Some children feel an insufficient amount of intrinsic motivation


After completing our research we identified key insights and wrote them down on sticky notes. We then clustered the sticky notes according to like categories using the online stick note platform Miro.

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How might we help parents build their child's physical competence in a socially interactive and engaging way?


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Evaluation 1st round

For our first round of user testing we recruited 5 participants, 2 of which were UX experts. We were focused on usability and ease of navigation for the app as well as the user's mental model.

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The map overview is misleading and the user is confused by the function of the map.


Simpler conceptual model and user flow. The map now shows progress of the user in the game

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Buttons and Hints


The Labeling Scan is not intuitive for children. The wording of the hints is not clear.


The scan button was replaced with the label "Discover". Better conceptual and intuitive hints

 were developed.

Evaluation 2nd round

For our second round we again recruited 5 participants which included 2 UX experts. We continued to focus on human factors and usability in our design and sought to refine the aesthetics of the app.


Group chat was created if the child wants to play with another person. The functionality and readability of the chat was improved.


Lack of opportunity for collaborating with other players. The existing group chat was not robust enough.


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Improved aesthetics to suggest a more "map-like" look. Renders of pieces of the key were added to the map screen.


The map screen does not read like a map but instead a visual schema. Fake key pieces were used which confused the user about their function.


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Check marks were added to the completed quests and an exclamation mark was added to the "Hint unlock" button for clarity.


The user's progress and how to progress to the next step was unclear.


Final Design

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Mobile App

Let's walk through the mobile app to understand the features and functionality that Doubloons has to offer...

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