Udi Alter

Udi Alter
York University · Department of Psychology

Master of Arts

About

17
Publications
3,159
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69
Citations

Publications

Publications (17)
Preprint
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The over-reliance on the null hypothesis significance testing framework and its accompanying tools has recently been challenged. An example of such a tool is statistical power analysis, which is used to determine how many participants are required to detect a minimally meaningful effect size in the population at a given level of power and Type I er...
Article
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The biggest difference in statistical training from previous decades is the increased use of software. However, little research examines how software impacts learning statistics. Assessing the value of software to statistical learning demands appropriate, valid, and reliable measures. The present study expands the arsenal of tools by reporting on t...
Preprint
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Bayesian statistics has gained substantial popularity in the social sciences, particularly in psychology. Despite its growing prominence in the psychological literature, many researchers remain unacquainted with Bayesian methods. This tutorial addresses the needs of curious applied psychology researchers and introduces Bayesian analysis as an acces...
Article
Introduction: The objective of this study was to examine whether a healthy lifestyle composite score of social engagement, physical activity, and Mediterranean diet adherence moderates the association between psychological distress and global cognitive decline among cognitively healthy older adults (67+ years of age at baseline). Methods: A tota...
Article
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Results of simulation studies evaluating the performance of statistical methods can have a major impact on the way empirical research is implemented. However, so far there is limited evidence of the replicability of simulation studies. Eight highly cited statistical simulation studies were selected, and their replicability was assessed by teams of...
Article
Objectives: Although chronic stress is a risk factor for poor age-related cognitive health, there is limited research that has examined how cumulative stress across the lifespan impacts cognitive aging. There may also be resilience factors that minimize the effects of cumulative stress on cognitive health. Engaging in a healthy lifestyle is protec...
Preprint
Full-text available
Results of simulation studies evaluating the performance of statistical methods are often considered actionable and thus can have a major impact on the way empirical research is implemented. However, so far there is limited evidence about the reproducibility and replicability of statistical simulation studies. Therefore, eight highly cited statisti...
Article
Full-text available
This large, international dataset contains survey responses from N = 12,570 students from 100 universities in 35 countries, collected in 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear of negative evaluation), self-efficacy, persistence, and...
Preprint
Full-text available
This large, international dataset contains survey responses from N = 12,570 students from 100 universities in 35 countries, collected in 21 languages. We measured anxieties (statistics, mathematics, test, trait, social interaction, performance, creativity, intolerance of uncertainty, and fear of negative evaluation), self-efficacy, persistence, and...
Article
Full-text available
Central to understanding human behavior is a comprehensive mapping of brain-behavior relations within the context of lifespan development. Reproducible discoveries depend upon well-powered samples of reliable data. We provide to the scientific community two, 10-minute, multi-echo functional MRI (ME-fMRI) runs, and structural MRI (T1-MPRAGE), from 1...
Article
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Reporting and interpreting effect sizes (ESs) has been recommended by all major bodies within the field of psychology. In this systematic review, we investigated the reporting of ESs in six social-personality psychology journals from 2018, given that this area has been at the center of psychology’s replication crisis. Our results highlight that alt...
Preprint
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Psychological research is rife with inappropriately concluding “no effect” between predictors and outcome in regression models following statistically nonsignificant results. However, this approach is methodologically flawed because failing to reject the null hypothesis using traditional, difference-based tests does not mean the null is true. Using...
Preprint
Full-text available
Reporting and interpreting effect sizes has been recommended by all major bodies within the field of Psychology. In this systematic review, we investigated the reporting of ES in six Social-Personality Psychology journals from 2018, given that this area has been at the center of Psychology’s replication crisis. Our results highlight that although E...

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