Explanipedia

Sampling methods in personality pathology research: Some data and recommendations. Open

Salome Vanwoerden, Jesse Chandler, Kiana Cano, Paras Mehta, Paul A. Pilkonis , et al. · 2023

The field of personality disorder research has grown since the publication of the Diagnostic and Statistical Manual of Mental Disorders, Third Edition, in 1980; with a notable evolution in the way that personality disorders are defi…

Crowdsourcing in Observational and Experimental Research Open

Camilla Zallot, Gabriele Paolacci, Jesse Chandler, Itay Sisso · 2022

A substantial fraction of the observational and experimental data collected in the social sciences is now coming from crowdsourcing platforms, and being acquainted with the characteristics and dynamics of such samples is more important tha…

Data from Investigating Variation in Replicability: A “Many Labs” Replication Project Open

Richard Klein, Kate A. Ratliff, Michelangelo Vianello, Reginald B. Adams, Štěpán Bahník , et al. · 2022

This dataset is from the Many Labs Replication Project [1] in which 13 effects were replicated across 36 samples and over 6,000 participants. Data from the replications are included, along with demographic variables about the participants …

Theory Building through Replication: Response to Commentaries on the “Many Labs” Replication Project Open

Richard Klein, Kate A. Ratliff, Michelangelo Vianello, Reginald B. Adams, Štěpán Bahník , et al. · 2022

This manuscript contains our responses to several commentaries about the Many Labs Project (Klein et al., 2014).

Investigating Variation in Replicability: A “Many Labs” Replication Project Open

Richard Klein, Kate A. Ratliff, Michelangelo Vianello, Reginald B. Adams, Štěpán Bahník , et al. · 2022

Although replication is a central tenet of science, direct replications are rare in psychology. This research tested variation in the replicability of thirteen classic and contemporary effects across 36 independent samples totaling 6,344 p…

Participant Recruitment Open

Jesse Chandler · 2022

A strong participant recruitment plan is a major determinant of the success of human subjects research. The plan adopted by researchers will determine the kinds of inferences that follow from the collected data and how much it will cost to…

Crowdsourcing in observational and experimental research Open

Camilla Zallot, Gabriele Paolacci, Jesse Chandler, Itay Sisso · 2021

A substantial fraction of the observational and experimental data collected in the social sciences is now coming from crowdsourcing platforms, and being acquainted with the characteristics and dynamics of such samples is more important tha…

Uniformity: The effects of organizational attire on judgments and attributions Open

Robert W. Smith, Jesse Chandler, Norbert Schwarz · 2020

Despite their prevalence in the marketplace, little empirical attention has been paid to how employee uniforms affect consumer reactions to service experiences. We propose that employee uniforms facilitate the shared categorization of empl…

Online panels in social science research: Expanding sampling methods beyond Mechanical Turk Open

Jesse Chandler, Cheskie Rosenzweig, Aaron J. Moss, Jonathan Robinson, Leib Litman · 2019

Many Labs 2: Investigating Variation in Replicability Across Samples and Settings Open

Richard Klein, Michelangelo Vianello, Fred Hasselman, Byron G. Adams, Reginald B. Adams , et al. · 2018

We conducted preregistered replications of 28 classic and contemporary published findings, with protocols that were peer reviewed in advance, to examine variation in effect magnitudes across samples and settings. Each protocol was administ…

Many Labs 2: Investigating Variation in Replicability Across Sample and Setting Open

Richard Klein, Michelangelo Vianello, Fred Hasselman, Byron G. Adams, Reginald B. Adams , et al. · 2018

We conducted preregistered replications of 28 classic and contemporary published findings with protocols that were peer reviewed in advance to examine variation in effect magnitudes across sample and setting. Each protocol was administered…

Many Labs 2: Investigating Variation in Replicability Across Sample and Setting Open

Richard Klein, Michelangelo Vianello, Fred Hasselman, Byron G. Adams, Reginald B. Adams , et al. · 2018

We conducted preregistered replications of 28 classic and contemporary published findings with protocols that were peer reviewed in advance to examine variation in effect magnitudes across sample and setting. Each protocol was administered…

Direct replications in the era of open sampling Open

Gabriele Paolacci, Jesse Chandler · 2018

Data collection in psychology increasingly relies on “open populations” of participants recruited online, which presents both opportunities and challenges for replication. Reduced costs and the possibility to access the same populations al…

Re: Characteristics of a Mild Traumatic Brain Injury Sample Recruited Using Amazon's Mechanical Turk Open

Danielle N. Shapiro, Jesse Chandler · 2018

Crowdsourcing Samples in Cognitive Science Open

Neil Stewart, Jesse Chandler, Gabriele Paolacci · 2017

Lie for a Dime Open

Jesse Chandler, Gabriele Paolacci · 2017

The Internet has enabled recruitment of large samples with specific characteristics. However, when researchers rely on participant self-report to determine eligibility, data quality depends on participant honesty. Across four studies on Am…

Intertemporal Differences Among MTurk Workers: Time-Based Sample Variations and Implications for Online Data Collection Open

Logan S. Casey, Jesse Chandler, Adam Seth Levine, Andrew Proctor, Dara Z. Strolovitch · 2017

The online labor market Amazon Mechanical Turk (MTurk) is an increasingly popular source of respondents for social science research. A growing body of research has examined the demographic composition of MTurk workers as compared with that…

Crowdsourcing Samples in Cognitive Science Open

Neil Stewart, Jesse Chandler, Gabriele Paolacci · 2017

Crowdsourcing data collection from research participants recruited from online labor markets is now common in cognitive science.

Data from a pre-publication independent replication initiative examining ten moral judgement effects Open

Warren Tierney, Martin Schweinsberg, Jennifer Jordan, Deanna M. Kennedy, Israr Qureshi , et al. · 2016

Intertemporal Differences Among MTurk Workers Open

Logan S. Casey, Jesse Chandler · 2016

The online labor market Amazon Mechanical Turk (MTurk) is an increasinglypopular platform for generating samples of respondents for social scienceresearch. A growing body of research has examined the demographiccomposition of MTurk workers…

The pipeline project: Pre-publication independent replications of a single laboratory's research pipeline Open

Martin Schweinsberg, Nikhil Madan, Michelangelo Vianello, S. Amy Sommer, Jennifer Jordan , et al. · 2016

This crowdsourced project introduces a collaborative approach to improving the reproducibility of scientific research, in which findings are replicated in qualified independent laboratories before (rather than after) they are published. Ou…

The effect of participant experience on deception in prescreening questions Open

Jesse Chandler · 2016

The average laboratory samples a population of 7,300 Amazon Mechanical Turk workers Open

Neil Stewart, Christoph Ungemach, Adam J. L. Harris, Daniel M. Bartels, Ben R. Newell , et al. · 2015

Using capture-recapture analysis we estimate the effective size of the active Amazon Mechanical Turk (MTurk) population that a typical laboratory can access to be about 7,300 workers. We also estimate that the time taken for half of the wo…

Estimating the reproducibility of psychological science Open

Alexander A. Aarts, Joanna E. Anderson, Christopher Anderson, Peter Raymond Attridge, Angela S. Attwood , et al. · 2015

Empirically analyzing empirical evidence One of the central goals in any scientific endeavor is to understand causality. Experiments that seek to demonstrate a cause/effect relation most often manipulate the postulated causal factor. Aarts…

Replication of Janiszewski & Uy (2008, PS, Study 4b) Open

Jesse Chandler · 2015

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