Multiverse Analysis

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ID: 318115
2026
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Abstract
Abstract Improving replication rates in science requires that researchers disclose their degrees of freedom by making explicit the arbitrary yet equally defensible choices in design, data processing, and statistical analysis. This approach, known as multiverse analysis, is gaining traction in cognitive neuroscience but remains underused in cognitive enhancement and brain plasticity research involving neuromodulation techniques. This chapter aims to raise awareness of systematic robustness checks within the framework of multiverse analysis and to review relevant older and recently proposed methodological concepts. We then describe a sample experiment in which transcranial alternating current stimulation was applied to upregulate alpha oscillations in the human electroencephalogram and thereby modulate cognitive processes. Using this example, the text highlights the arbitrariness of various methodological choices. The chapter also proposes a collection of alternative specifications and provides an open dataset for applying multiverse analysis to the experiment discussed.
Reference Key
openalex_W7165552080 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Andrea Hildebrandt, Micha Burkhardt, Heiko I. Stecher, Florian H. Kasten, Christoph S. Herrmann
Journal Oxford University Press eBooks
Year 2026
DOI
10.1093/oxfordhb/9780197677131.013.33
URL
Keywords Keywords not found

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