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Does online masked priming pass the test? The effects of prime exposure duration on masked identity priming.

Angele, B., Baciero, A., Gomez, P. and Perea, M., 2022. Does online masked priming pass the test? The effects of prime exposure duration on masked identity priming. Behavior Research Methods. (In Press)

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Official URL: https://link.springer.com/journal/13428

DOI: 10.3758/s13428-021-01742-y

Abstract

Masked priming is one of the most important paradigms in the study of visual word recognition, but it is usually thought to require a laboratory setup with a known monitor and keyboard. To test if this technique can be safely used in an online setting, we conducted two online masked priming lexical decision task experiments using PsychoPy/PsychoJS (Peirce et al., 2019). Importantly, we also tested the role of prime exposure duration (33.3 vs. 50 ms in Experiment 1 and 16.7 vs. 33.3 ms in Experiment 2), thus allowing us to examine both across conditions and within-conditions effects. We found that our online data are indeed very similar to the masked priming data previously reported in the masked priming literature. Additionally, we found a clear effect of prime duration, with the priming effect (measured in terms of response time and accuracy) being stronger at 50 ms than 33.3 ms and no priming effect at 16.7 ms prime duration. From these results, we can conclude that modern online browser-based experimental psychophysics packages (e.g., PsychoPy) can present stimuli and collect responses on standard end user devices with enough precision. These findings provide us with confidence that masked priming can be used online, thus allowing us not only to run less time-consuming experiments, but also to reach populations that are difficult to test in a laboratory.

Item Type:Article
ISSN:1554-351X
Uncontrolled Keywords:Masked priming ; Lexical decision task ; Online experiments ; PsychoPy ; Prime duration
Group:Faculty of Science & Technology
ID Code:36709
Deposited By: Symplectic RT2
Deposited On:04 Mar 2022 13:51
Last Modified:22 Mar 2022 11:49

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