Multidimensional Signals and Analytic Flexibility: Estimating Degrees of Freedom in Human-Speech Analyses

Stefano Coretta,Joseph V. Casillas,Simon Roessig,Michael Franke,Byron Ahn,Ali H. Al-Hoorie,Jalal Al-Tamimi, Najd E. Alotaibi,Mohammed K. AlShakhori,Ruth M. Altmiller,Pablo Arantes,Angeliki Athanasopoulou,Melissa M. Baese-Berk,George Bailey, Cheman Baira A. Sangma,Eleonora J. Beier, Gabriela M. Benavides, Nicole Benker, Emelia P. BensonMeyer,Nina R. Benway,Grant M. Berry, Liwen Bing,Christina Bjorndahl,Mariska Bolyanatz,Aaron Braver,Violet A. Brown, Alicia M. Brown,Alejna Brugos,Erin M. Buchanan, Tanna Butlin,Andres Buxo-Lugo, Coline Caillol,Francesco Cangemi,Christopher Carignan,Sita Carraturo,Tiphaine Caudrelier,Eleanor Chodroff,Michelle Cohn, Johanna Cronenberg, Olivier Crouzet, Erica L. Dagar, Charlotte Dawson, Carissa A. Diantoro,Marie Dokovova,Shiloh Drake,Fengting Du, Margaux Dubuis, Florent Dueme, Matthew Durward,Ander Egurtzegi,Mahmoud M. Elsherif, Janina Esser,Emmanuel Ferragne,Fernanda Ferreira,Lauren K. Fink,Sara Finley, Kurtis Foster,Paul Foulkes, Rosa Franzke, Gabriel Frazer-McKee,Robert Fromont,Christina Garcia,Jason Geller,Camille L. Grasso, Pia Greca,Martine Grice, Magdalena S. Grose-Hodge,Amelia J. Gully,Caitlin Halfacre,Ivy Hauser, Jen Hay, Robert Haywood,Sam Hellmuth,Allison I. Hilger,Nicole Holliday, Damar Hoogland,Yaqian Huang,Vincent Hughes, Ane Icardo Isasa,Zlatomira G. Ilchovska,Hae-Sung Jeon, Jacq Jones, Magat N. Junges, Stephanie Kaefer,Constantijn Kaland,Matthew C. Kelley,Niamh E. Kelly,Thomas Kettig,Ghada Khattab,Ruud Koolen,Emiel Krahmer,Dorota Krajewska, Andreas Krug,Abhilasha A. Kumar, Anna Lander,Tomas O. Lentz,Wanyin Li, Yanyu Li,Maria Lialiou,Ronaldo M. Lima,Justin J. H. Lo, Julio Cesar Lopez Otero, Bradley Mackay,Bethany MacLeod, Mel Mallard, Carol-Ann Mary McConnellogue,George Moroz, Mridhula Murali,Ladislas Nalborczyk,Filip Nenadic, Jessica Nieder, Dusan Nikolic, Francisco G. S. Nogueira, Heather M. Offerman, Elisa Passoni, Maud Pelissier,Scott J. Perry, Alexandra M. Pfiffner,Michael Proctor, Ryan Rhodes,Nicole Rodriguez,Elizabeth Roepke, Jan P. Roeer, Lucia Sbacco,Rebecca Scarborough,Felix Schaeffler, Erik Schleef,Dominic Schmitz, Alexander Shiryaev,Marton Soskuthy, Malin Spaniol,Joseph A. Stanley, Alyssa Strickler,Alessandro Tavano,Fabian Tomaschek,Benjamin V. Tucker,Rory Turnbull, Kingsley O. Ugwuanyi, Inigo Urrestarazu-Porta,Ruben van de Vijver, Kristin J. Van Engen,Emiel van Miltenburg,Bruce Xiao Wang,Natasha Warner,Simon Wehrle,Hans Westerbeek,Seth Wiener,Stephen Winters,Sidney G. -J. Wong, Anna Wood, Jane Wottawa, Chenzi Xu, German Zarate-Sandez,Georgia Zellou,Cong Zhang,Jian Zhu,Timo B. Roettger

ADVANCES IN METHODS AND PRACTICES IN PSYCHOLOGICAL SCIENCE(2023)

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摘要
Recent empirical studies have highlighted the large degree of analytic flexibility in data analysis that can lead to substantially different conclusions based on the same data set. Thus, researchers have expressed their concerns that these researcher degrees of freedom might facilitate bias and can lead to claims that do not stand the test of time. Even greater flexibility is to be expected in fields in which the primary data lend themselves to a variety of possible operationalizations. The multidimensional, temporally extended nature of speech constitutes an ideal testing ground for assessing the variability in analytic approaches, which derives not only from aspects of statistical modeling but also from decisions regarding the quantification of the measured behavior. In this study, we gave the same speech-production data set to 46 teams of researchers and asked them to answer the same research question, resulting in substantial variability in reported effect sizes and their interpretation. Using Bayesian meta-analytic tools, we further found little to no evidence that the observed variability can be explained by analysts' prior beliefs, expertise, or the perceived quality of their analyses. In light of this idiosyncratic variability, we recommend that researchers more transparently share details of their analysis, strengthen the link between theoretical construct and quantitative system, and calibrate their (un)certainty in their conclusions.
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crowdsourcing science, data analysis, scientific transparency, speech, acoustic analysis
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