A List of R-Index Blogs

In decreasing chronological order from November 30, 2014 to January 6, 2018

(statistics recorded on January 6)

Why the Journal of Personality and Social Psychology Should Retract Article DOI: 10.1037/a0021524 “Feeling the Future: Experimental evidence for anomalous retroactive influences on cognition and affect” by Daryl J. Bem

A day ago

‘Before you know it’ by John A. Bargh: A quantitative book review

Nov 28, 2017 12:41 PM

(Preprint) Z-Curve: A Method for Estimating Replicability Based on Test Statistics in Original Studies (Schimmack & Brunner, 2017)

Nov 16, 2017 3:46 PM

Preliminary 2017 Replicability Rankings of 104 Psychology Journals

Oct 24, 2017 2:56 PM

P-REP (2005-2009): Reexamining the experiment to replace p-values with the probability of replicating an effect

Sep 19, 2017 12:01 PM

The Power of the Pen Paradigm: A Replicability Analysis

Sep 4, 2017 8:48 PM

What would Cohen say? A comment on p < .005

Aug 2, 2017 11:46 PM

How Replicable are Focal Hypothesis Tests in the Journal Psychological Science?

May 15, 2017 9:24 PM

How replicable are statistically significant results in social psychology? A replication and extension of Motyl et al. (in press). 

May 4, 2017 8:41 PM

Hidden Figures: Replication Failures in the Stereotype Threat Literature

Apr 7, 2017 10:18 AM

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Personalized Adjustment of p-values for publication bias

Mar 13, 2017 2:31 PM

Meta-Psychology: A new discipline and a new journal (draft)

Mar 5, 2017 2:35 PM

2016 Replicability Rankings of 103 Psychology Journals

Mar 1, 2017 12:01 AM

An Attempt at Explaining Null-Hypothesis Testing and Statistical Power with 1 Figure and 1,500 Words

Feb 26, 2017 10:35 AM

Random measurement error and the replication crisis: A statistical analysis

Feb 23, 2017 7:38 AM

How Selection for Significance Influences Observed Power

Feb 21, 2017 10:38 AM

Reconstruction of a Train Wreck: How Priming Research Went off the Rails

Feb 2, 2017 11:33 AM

Are Most Published Results in Psychology False? An Empirical Study

Jan 15, 2017 1:42 PM

Reexamining Cunningham, Preacher, and Banaji’s Multi-Method Model of Racism Measures

Jan 8, 2017 7:50 PM

Validity of the Implicit Association Test as a Measure of Implicit Attitudes

Jan 5, 2017 5:20 PM

Replicability Review of 2016

Dec 31, 2016 5:25 PM

Z-Curve: Estimating Replicability of Published Results in Psychology (Revision)

Dec 12, 2016 5:35 PM

How did Diedrik Stapel Create Fake Results? A forensic analysis of “From Seeing to Being: Subliminal Social Comparisons Affect Implicit and Explicit Self-Evaluations”

Dec 6, 2016 12:27 PM

A sarcastic comment on “Promise, peril, and perspective: Addressing concerns about reproducibility in social–personality psychology” by Harry Reis

Dec 3, 2016 9:31 PM

A replicability analysis of”I like myself but I don’t know why: Enhancing implicit self-esteem by subliminal evaluative conditioning”

Dec 3, 2016 3:15 PM

Bayesian Meta-Analysis: The Wrong Way and The Right Way

Nov 28, 2016 3:25 PM

Peer-Reviews from Psychological Methods

Nov 18, 2016 6:33 PM

How replicable is psychology? A comparison of four methods of estimating replicability on the basis of test statistics in original studies

Sep 17, 2016 5:44 PM

A Critical Review of Schwarz and Strack’s (1999) “Reports of Subjective Well-Being: Judgmental Processes and Their Methodological Implications”

Sep 16, 2016 11:20 AM

Dr. R responds to Finkel, Eastwick, & Reis (FER)’s article “Replicability and Other Features of a High-Quality Science: Toward a Balanced and Empirical Approach”

Sep 13, 2016 10:10 PM

The decline effect in social psychology: Evidence and possible explanations

Sep 4, 2016 9:26 AM

Fritz Strack’s self-serving biases in his personal account of the failure to replicate his most famous study.

Aug 29, 2016 12:10 PM

How Can We Interpret Inferences with Bayesian Hypothesis Tests?

Aug 9, 2016 4:16 PM

Bayes Ratios: A Principled Approach to Bayesian Hypothesis Testing

Jul 25, 2016 12:51 PM

How Does Uncertainty about Population Effect Sizes Influence the Probability that the Null-Hypothesis is True?

Jul 16, 2016 11:53 AM

Subjective Bayesian T-Test Code

Jul 5, 2016 6:58 PM

Wagenmakers’ Default Prior is Inconsistent with the Observed Results in Psychologial Research

Jun 30, 2016 10:15 AM

A comparison of The Test of Excessive Significance and the Incredibility Index

Jun 18, 2016 11:52 AM

R-Code for (Simplified) Powergraphs with StatCheck Dataset

Jun 17, 2016 6:32 PM

Replicability Report No.2: Do Mating Primes have a replicable effects on behavior?

May 21, 2016 9:37 AM

Subjective Priors: Putting Bayes into Bayes-Factors

May 18, 2016 12:22 PM

Who is Your Daddy? Priming women with a disengaged father increases their willingness to have sex without a condom

May 11, 2016 4:15 PM

Bayes-Factors Do Not Solve the Credibility Problem in Psychology

May 9, 2016 6:03 PM

Die Verdrängung des selektiven Publizierens: 7 Fallstudien von prominenten Sozialpsychologen

Apr 20, 2016 10:05 PM

Replicability Report No. 1: Is Ego-Depletion a Replicable Effect?

Apr 18, 2016 7:28 PM

Open Ego-Depletion Replication Initiative

Mar 26, 2016 10:10 AM

Estimating Replicability of Psychological Science: 35% or 50%

Mar 12, 2016 11:56 AM

MY JOURNEY TOWARDS ESTIMATION OF REPLICABILITY OF PSYCHOLOGICAL RESEARCH

Mar 4, 2016 10:11 AM

Replicability Ranking of Psychology Departments

Mar 2, 2016 5:01 PM

Reported Success Rates, Actual Success Rates, and Publication Bias In Psychology: Honoring Sterling et al. (1995)

Feb 26, 2016 5:50 PM

Are You Planning a 10-Study Article? You May Want to Read This First

Feb 10, 2016 5:24 PM

Dr. R Expresses Concerns about Results in Latest Psycholgical Science Article by Yaacov Trope and colleagues

Feb 9, 2016 11:41 AM

Dr. R’s Blog about Replicability

Feb 5, 2016 5:32 PMSticky

A Scathing Review of “Best Research Practices in Psychology: Illustrating Epistemological and Pragmatic Considerations With the Case of Relationship Science”

Feb 3, 2016 10:32 AM

Keep your Distance from Questionable Results

Jan 31, 2016 5:05 PM

Too good to be true: A reanalysis of Damisch, Stoberock, and Mussweiler (2010). Keep Your Fingers Crossed! How Superstition Improves Performance. Psychological Science, (21)7, p.1014-1020

Jan 31, 2016 5:01 PM

A Revised Introduction to the R-Index

Jan 31, 2016 3:50 PM

2015 Replicability Ranking of 100+ Psychology Journals

Jan 26, 2016 12:17 PM

Is the N-pact Factor (NF) a Reasonable Proxy for Statistical Power and Should the NF be used to Rank Journals’ Reputation and Replicability? A Critical Review of Fraley and Vazir (2014)

Jan 16, 2016 7:56 PM

On the Definition of Statistical Power

Jan 14, 2016 3:36 PM

The Abuse of Hoenig and Heisey: A Justification of Power Calculations with Observed Effect Sizes

Jan 14, 2016 2:06 PM

Do Deceptive Reporting Practices in Social Psychology Harm Social Psychology?

Jan 13, 2016 12:24 PM

“Do Studies of Statistical Power Have an Effect on the Power of Studies?” by Peter Sedlmeier and Gerg Giegerenzer

Jan 12, 2016 1:51 PM

Distinguishing Questionable Research Practices from Publication Bias

Dec 8, 2015 6:00 PM

2015 Replicability Ranking of 54 Psychology Journals

Oct 27, 2015 7:05 PM

Dr. R’s comment on the Official Statement by the Board of the German Psychological Association (DGPs) about the Results of the OSF-Reproducibility Project published in Science.

Oct 10, 2015 12:01 PM

Replicability Ranking of 27 Psychology Journals (2015)

Sep 28, 2015 7:42 AM

Replicability Report for JOURNAL OF SOCIAL AND PERSONAL RELATIONSHIPS

Sep 28, 2015 7:02 AM

Replicability Report for PERSONAL RELATIONSHIPS

Sep 27, 2015 5:40 PM

Replicability Report for DEVELOPMENTAL SCIENCE

Sep 27, 2015 3:16 PM

Replicability Report for JOURNAL OF POSITIVE PSYCHOLOGY

Sep 26, 2015 8:08 PM

Replicability-Report for CHILD DEVELOPMENT

Sep 26, 2015 10:37 AM

Replicability-Report for PSYCHOLOGY & AGING

Sep 25, 2015 5:47 PM

Replicability-Report for JOURNAL OF EXPERIMENTAL PSYCHOLOGY: HUMAN PERCEPTION AND PERFORMANCE

Sep 25, 2015 12:33 PM

“THE STATISTICAL POWER OF ABNORMAL-SOCIAL PSYCHOLOGICAL RESEARCH: A REVEW” BY JACOB COHEN

Sep 22, 2015 7:11 AM

Replicability Report for the BRITISH JOURNAL OF SOCIAL PSYCHOLOGY

Sep 18, 2015 6:40 PM

Replicability-Ranking of 100 Social Psychology Departments

Sep 15, 2015 12:49 PM

Replicability Report for the journal SOCIAL PSYCHOLOGY

Sep 13, 2015 4:54 PM

Replicability-Report for the journal JUDGMENT AND DECISION MAKING

Sep 13, 2015 1:08 PM

Replicability-Report for JOURNAL OF CROSS-CULTURAL PSYCHOLOGY

Sep 12, 2015 12:32 PM

Replicability-Report for SOCIAL COGNITION

Sep 11, 2015 6:43 PM

Examining the Replicability of 66,212 Published Results in Social Psychology: A Post-Hoc-Power Analysis Informed by the Actual Success Rate in the OSF-Reproducibilty Project

Sep 7, 2015 9:20 AM

The Replicability of Cognitive Psychology in the OSF-Reproducibility-Project

Sep 5, 2015 2:47 PM

The Replicability of Social Psychology in the OSF-Reproducibility Project

Sep 3, 2015 8:18 PM

Which Social Psychology Results Were Successfully Replicated in the OSF-Reproducibility Project? Recommeding a 4-Sigma Rule

Aug 30, 2015 11:04 AM

Predictions about Replication Success in OSF-Reproducibility Project

Aug 26, 2015 9:54 PM

Replicability-Report for EUROPEAN JOURNAL OF SOCIAL PSYCHOLOGY

Aug 22, 2015 8:00 PM

Replicability-Report for JOURNAL OF EXPERIMENTAL SOCIAL PSYCHOLOGY

Aug 22, 2015 5:30 PM

Replicability-Report for JOURNAL OF MEMORY AND LANGUAGE

Aug 22, 2015 3:22 PM

Replicability-Report for JOURNAL OF EXPERIMENTAL PSYCHOLOGY: GENERAL

Aug 21, 2015 5:52 PM

Replicability-Report for DEVELOPMENTAL PSYCHOLOGY

Aug 21, 2015 4:36 PM

Replicability-Report for JOURNAL OF EXPERIMENTAL PSYCHOLOGY: LEARNING, MEMORY, AND COGNITION

Aug 19, 2015 10:21 AM

Replicability-Report for COGNITIVE PSYCHOLOGY

Aug 18, 2015 10:03 AM

Replicability-Report for COGNITION & EMOTION

Aug 18, 2015 8:37 AM

Replicability-Report for SOCIAL PSYCHOLOGY AND PERSONALITY SCIENCE

Aug 18, 2015 7:35 AM

Replicability-Report for EMOTION

Aug 17, 2015 7:53 PM

Replicability Report for PERSONALITY AND SOCIAL PSYCHOLOGY BULLETIN

Aug 17, 2015 9:59 AM

Replicability-Report for JPSP: INTERPERSONAL RELATIONSHIPS & GROUP PROCESSES

Aug 16, 2015 9:51 AM

Replicability-Report for JPSP: ATTITUDES & SOCIAL COGNITION

Aug 16, 2015 6:12 AM

Replicability-Report for JPSP: Personality Processes and Individual Differences

Aug 15, 2015 8:30 PM

Replicability Report for PSYCHOLOGICAL SCIENCE

Aug 15, 2015 5:51 PM

REPLICABILITY RANKING OF 26 PSYCHOLOGY JOURNALS

Aug 13, 2015 4:16 PM

Using the R-index to detect questionable research practices in SSRI studies

Aug 5, 2015 2:34 PM

R-Index predicts lower replicability of “subliminal” studies than “attribution” studies in JESP

Jul 7, 2015 9:37 PM

Post-Hoc-Power Curves of Social Psychology in Psychological Science, JESP, and Social Cognition

Jul 7, 2015 7:07 PM

Post-Hoc Power Curves: Estimating the typical power of statistical tests (t, F) in Psychological Science and Journal of Experimental Social Psychology

Jun 27, 2015 10:48 PM

When Exact Replications Are Too Exact: The Lucky-Bounce-Test for Pairs of Exact Replication Studies

May 27, 2015 11:30 AM

The Association for Psychological Science Improves Success Rate from 95% to 100% by Dropping Hypothesis Testing: The Sample Mean is the Sample Mean, Type-I Error 0%

May 21, 2015 1:40 PM

R-INDEX BULLETIN (RIB): Share the Results of your R-Index Analysis with the Scientific Community

May 19, 2015 5:43 PM

A Critical Review of Cumming’s (2014) New Statistics: Reselling Old Statistics as New Statistics

May 18, 2015 6:41 PM

Power Analysis for Bayes-Factor: What is the Probability that a Study Produces an Informative Bayes-Factor?

May 16, 2015 4:41 PM

A Critical Review of Cumming’s (2014) New Statistics: Reselling Old Statistics as New Statistics

May 16, 2015 7:51 AM

The Test of Insufficient Variance (TIVA): A New Tool for the Detection of Questionable Research Practices

May 13, 2015 12:40 PM

Why Psychologists Should Not Change The Way They Analyze Their Data: The Devil is in the Default Prior

May 9, 2015 10:43 AM

Replacing p-values with Bayes-Factors: A Miracle Cure for the Replicability Crisis in Psychological Science

Apr 30, 2015 1:48 PM

Further reflections on the linearity in Dr. Förster’s Data

Apr 21, 2015 7:57 AM

The R-Index for 18 Multiple Study Articles in Science (Francis et al., 2014)

Apr 20, 2015 6:04 PM

Bayesian Statistics in Small Samples: Replacing Prejudice against the Null-Hypothesis with Prejudice in Favor of the Null-Hypothesis

Apr 9, 2015 12:26 PM

Meta-Analysis of Observed Power: Comparison of Estimation Methods

Apr 1, 2015 9:49 PM

An Introduction to Observed Power based on Yuan and Maxwell (2005)

Mar 24, 2015 7:24 PM

R-INDEX BULLETIN (RIB): Share the Results of your R-Index Analysis with the Scientific Community

Feb 6, 2015 11:20 AM

Bayesian Statistics in Small Samples: Replacing Prejudice against the Null-Hypothesis with Prejudice in Favor of the Null-Hypothesis

Feb 2, 2015 10:45 AM

Questionable Research Practices: Definition, Detect, and Recommendations for Better Practices

Jan 24, 2015 8:40 AM

Further reflections on the linearity in Dr. Förster’s Data

Jan 14, 2015 5:47 PM

Why are Stereotype-Threat Effects on Women’s Math Performance Difficult to Replicate?

Jan 6, 2015 12:01 PM

How Power Analysis Could Have Prevented the Sad Story of Dr. Förster

Jan 2, 2015 12:22 PM

A Playful Way to Learn about Power, Publication Bias, and the R-Index: Simulate questionable research methods and see what happens.

Dec 31, 2014 3:25 PM

The Test of Insufficient Variance (TIVA): A New Tool for the Detection of Questionable Research Practices

Dec 30, 2014 10:22 PM

Christmas Special: R-Index of “Women Are More Likely to Wear Red or Pink at Peak Fertility”

Dec 24, 2014 1:54 PM

The R-Index of Ego-Depletion Studies with the Handgrip Paradigm

Dec 21, 2014 2:21 PM

The R-Index of Nicotine-Replacement-Therapy Studies: An Alternative Approach to Meta-Regression

Dec 17, 2014 3:52 PM

The R-Index of Simmons et al.’s 21 Word Solution

Dec 17, 2014 7:14 AM

The R-Index for 18 Multiple Study Articles in Science (Francis et al., 2014)

Dec 13, 2014 10:42 AM

Do it yourself: R-Index Spreadsheet and Manual is now available.

Dec 7, 2014 11:01 AM

Nature Neuroscience: R-Index

Dec 5, 2014 11:44 AM

Dr. Schnall’s R-Index

Dec 4, 2014 11:57 AM

Roy Baumeister’s R-Index

Dec 1, 2014 6:29 PM

The Replicability-Index (R-Index): Quantifying Research Integrity

Nov 30, 2014 10:19 PM

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