@article{schroeder_using_2023,
Author = {Schroeder, Philipp A. and Artemenko, Christina and Kosie, Jessica E. and Cockx, Helena and Stute, Katharina and Pereira, João and Klein, Franziska and Mehler, David M. A.},
Title = {Using preregistration as a tool for transparent fNIRS study design},

Journal = {Neurophotonics},
Year = {2023},
Pages = {023515},
Doi = {10.1117/1.NPh.10.2.023515},
type = {article},
Abstract = {SignificanceThe expansion of functional near-infrared spectroscopy (fNIRS) methodology and analysis tools gives rise to various design and analytical decisions that researchers have to make. Several recent efforts have developed guidelines for preprocessing, analyzing, and reporting practices. For the planning stage of fNIRS studies, similar guidance is desirable. Study preregistration helps researchers to transparently document study protocols before conducting the study, including materials, methods, and analyses, and thus, others to verify, understand, and reproduce a study. Preregistration can thus serve as a useful tool for transparent, careful, and comprehensive fNIRS study design.AimWe aim to create a guide on the design and analysis steps involved in fNIRS studies and to provide a preregistration template specified for fNIRS studies.ApproachThe presented preregistration guide has a strong focus on fNIRS specific requirements, and the associated template provides examples based on continuous-wave (CW) fNIRS studies conducted in humans. These can, however, be extended to other types of fNIRS studies.ResultsOn a step-by-step basis, we walk the fNIRS user through key methodological and analysis-related aspects central to a comprehensive fNIRS study design. These include items specific to the design of CW, task-based fNIRS studies, but also sections that are of general importance, including an in-depth elaboration on sample size planning.ConclusionsOur guide introduces these open science tools to the fNIRS community, providing researchers with an overview of key design aspects and specification recommendations for comprehensive study planning. As such it can be used as a template to preregister fNIRS studies or merely as a tool for transparent fNIRS study design.}
}
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