Assessing event-based college student drinking and social context using mobile devices

Assessing event-based college student drinking and social context using mobile devices

Most surveys of alcohol-use ask about behaviors and patterns that happen days, weeks months or even years ago. It's all retrospective recollection from study participants. It's useful for identifying general trends but it's fraught with measurement errors.  And when the topic of the study is binge drinking, errors involving memory can increase. -- even if you're asking the question the next day.

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