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This repository contains data, analysis scripts and the written reports from a project that was pre-registered with the Royal Society Open Science. The pre-registration was peer-reviewed and given "in principle" acceptance on January 29th, 2020. The onset of the covid-19 pandemic shortly thereafter delayed completion of data collection. The submitted final report of the results is in the document entitled "RSOSRegReportWithResults.pdf". The title and abstract follow. Title: Does pre-crastination explain why some observers are sub-optimal in a visual search task? Abstract: How do we decide where to search for a target? Optimal search relies on first considering the relative informational value of different locations, and then executing eye movements to the best options. But many participants consistently move their eyes to locations that can be easily ascertained to neither contain the target, nor to provide new information about the target’s location. Here we ask whether this sub-optimal search behaviour represents a specific example of a general tendency towards pre- crastination: starting sub-goals of a task before they are needed, and in so doing, spending longer doing the task than is necessary. To test this hypothesis, we will ask 200 participants to do two tasks: retrieve two heavy buckets (one close and one far), and search for a line segment. Pre-crastination is defined as consistently picking up the closer bucket first, versus the more efficient strategy of picking up the farther bucket first. Search efficiency is the proportion of fixations directed to more cluttered regions of the search array. We predict an association of pre-crastination with inefficient search strategies. Personality inventories will also be administered to identify stable characteristics associated with these strategies.
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