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OpenCogData
A database of publicly-available cognitve task datasets.
Sam Zorowitz
,
NIMH DSST
Jan 1, 2024
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jsPsych-demos
A collection of open-source cognitive tasks, made with jsPsych, for use in online research.
Sam Zorowitz
,
Yongjing Ren
,
Jamie Chiu
Aug 23, 2023
Code
Docs
NivTurk
A lightweight Python application for securely serving and storing data from online experiments.
Sam Zorowitz
,
Daniel Bennett
,
Yongjing Ren
,
Jamie Chiu
Jul 13, 2023
Code
Docs
Inattentive responding can induce spurious associations between task behaviour and symptom measures
Here we show how spurious correlations may arise between task performance and symptom scores when participants carelessly complete cognitive tasks and symptom surveys with skewed score distributions.
Sam Zorowitz
,
Johanne Solis
,
Yael Niv
,
Daniel Bennett
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Dataset
An item response theory analysis of the matrix reasoning item bank (MaRs-IB)
Here we use item response theory to calibrate the matrix reasoning item bank (MaRs-IB), a collection of Raven’s matrices-like stimuli that we show can be used to reliably measure fluid reasoning.
Sam Zorowitz
,
Gabriele Chierchia
,
Sarah-Jayne Blakemore
,
Nathaniel Daw
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Improving the reliability of cognitive task measures: A narrative review
Here we introduce a taxonomy of experiment design and analysis strategies for improving the reliability of cognitive tasks.
Sam Zorowitz
,
Yael Niv
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Confirmatory factor analysis of the Maltreatment and Abuse Chronology of Exposure (MACE) scale
Here we use hierarchical item factor models to evaluate the reliability and validity of the total/subscale scores from the MACE scale.
Sam Zorowitz
,
Lauri Tuominen
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