ScriptingRT: A Software Library for Collecting Response Latencies in Online Studies of Cognition

Thomas W Schubert, Carla Murteira, Elizabeth C Collins and Diniz Lopes

PLOS ONE, 2013, vol. 8, issue 6, 1-12

Abstract: ScriptingRT is a new open source tool to collect response latencies in online studies of human cognition. ScriptingRT studies run as Flash applets in enabled browsers. ScriptingRT provides the building blocks of response latency studies, which are then combined with generic Apache Flex programming. Six studies evaluate the performance of ScriptingRT empirically. Studies 1–3 use specialized hardware to measure variance of response time measurement and stimulus presentation timing. Studies 4–6 implement a Stroop paradigm and run it both online and in the laboratory, comparing ScriptingRT to other response latency software. Altogether, the studies show that Flash programs developed in ScriptingRT show a small lag and an increased variance in response latencies. However, this did not significantly influence measured effects: The Stroop effect was reliably replicated in all studies, and the found effects did not depend on the software used. We conclude that ScriptingRT can be used to test response latency effects online.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0067769

DOI: 10.1371/journal.pone.0067769

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