Jessica R. Hullman

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Users often rely on realtime predictions in everyday contexts like riding the bus, but may not grasp that such predictions are subject to uncertainty. Existing uncertainty visualizations may not align with user needs or how they naturally reason about probability. We present a novel mobile interface design and visualization of uncertainty for transit(More)
Challenges of crowdsourcing human-computer interaction (HCI) experiments on Amazon’s Mechanical Turk include risks posed by the combination of low monetary rewards and worker anonymity. These include how mirroring task structure across HIT or qualification questions may encourage the learning of shallow heuristics, the difficulty in increasing workers’(More)
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