Please use this identifier to cite or link to this item:
http://hdl.handle.net/1942/40645
Title: | How much data do we need to estimate computational models of decision-making? The COMPASS toolbox | Authors: | BEECKMANS, Maud Huycke, Pieter Verguts, Tom Verbeke, Pieter |
Issue Date: | 2023 | Publisher: | SPRINGER | Source: | Behavior Research Methods, | Status: | Early view | Abstract: | How much data are needed to obtain useful parameter estimations from a computational model? The standard approach to address this question is to carry out a goodness-of-recovery study. Here, the correlation between individual-participant true and estimated parameter values determines when a sample size is large enough. However, depending on one's research question, this approach may be suboptimal, potentially leading to sample sizes that are either too small (underpowered) or too large (overcostly or unfeasible). In this paper, we formulate a generalized concept of statistical power and use this to propose a novel approach toward determining how much data is needed to obtain useful parameter estimates from a computational model. We describe a Python-based toolbox (COMPASS) that allows one to determine how many participants are needed to fit one specific computational model, namely the Rescorla-Wagner model of learning and decision-making. Simulations revealed that a high number of trials per person (more than the number of persons) are a prerequisite for high-powered studies in this particular setting. | Notes: | Verbeke, P (corresponding author), Univ Ghent, Dept Expt psychol, Ghent, Belgium. pjverbek.verbeke@ugent.be |
Keywords: | Computational models;Statistical power;Toolbox | Document URI: | http://hdl.handle.net/1942/40645 | ISSN: | 1554-351X | e-ISSN: | 1554-3528 | DOI: | 10.3758/s13428-023-02165-7 | ISI #: | 001017541600002 | Rights: | The Psychonomic Society, Inc. 2023 | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
How much data do we need to estimate computational models of decision-making_ The COMPASS toolbox.pdf Restricted Access | Early view | 3.43 MB | Adobe PDF | View/Open Request a copy |
auteursversie.pdf | Peer-reviewed author version | 1.6 MB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.