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Social and Behavioral Sciences

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Portland State University

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2017

Geographic information systems

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New Probe Data Sources To Measure Cycling Behavior And Safety, Christopher Cherry Dec 2017

New Probe Data Sources To Measure Cycling Behavior And Safety, Christopher Cherry

PSU Transportation Seminars

Emerging probe data sources from smartphones on on-board devices are able to measure behavior of cyclists with very high resolution. From this, for the first time, we are able to measure relatively precise behavior that allows new insights into exposure, route choice, safety behavior, or technology choice. Probe data, merged with other data sources, can begin to develop a more complete picture of cyclists on-road behavior.

This presentation will offer examples of analyses done to investigate cyclists behavior using app-based and on-board GPS data in the context of individual cyclists behavior (i.e., app users) and behavior of bikeshare users (i.e., …


Individual Decision Making In Online Public-Participation Transportation Planning, Martin Swobodzinski Feb 2017

Individual Decision Making In Online Public-Participation Transportation Planning, Martin Swobodzinski

PSU Transportation Seminars

The empirical evaluation of complex decision support systems is often limited to the self-reported satisfaction of the systems’ users.

Such an approach is problematic due to the conflation of the user's satisfaction related to the decision support system and the decision making process and its outcomes.

In addition, it bears limitations that are common among most techniques that solicit participant-stated feedback.

In this talk, based on data that was gathered by a web-based participatory system for transportation planning in the Puget Sound region, I present analytical methods for the empirical evaluation of decision support systems based on human-computer interaction. In …