Want to dive into Scott Alexander's work and his thousands of blog posts? This fan website lets you sort and do semantic search through the whole codex. Enjoy!

See also Top Posts and All Tags.

Tag: replication crisis

Or pick a range
–
min
Blog
Only
Year
2026
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
No results found
replication crisis (27)
study critique (270)
book review (221)
AI (112)
economics (105)
effective altruism (105)
education (93)
creative writing (91)
debate (89)
forecasting (89)
politics (89)
prediction markets (88)
science (85)
AI safety (79)
media criticism (76)
neuroscience (76)
rationality (76)
psychiatry (73)
psychology (72)
mental health (69)
highlights from the comments (68)
No results found
study critique (270)
book review (221)
AI (112)
economics (105)
effective altruism (105)
education (93)
creative writing (91)
debate (89)
forecasting (89)
politics (89)
prediction markets (88)
science (85)
AI safety (79)
media criticism (76)
neuroscience (76)
rationality (76)
psychiatry (73)
psychology (72)
mental health (69)
highlights from the comments (68)
Links to
No results found
domain: slatestarcodex.com (1127 posts)
domain: wikipedia.org (896 posts)
domain: astralcodexten.com (560 posts)
domain: lesswrong.com (491 posts)
domain: twitter.com / x.com (445 posts)
domain: nih.gov (333 posts)
domain: reddit.com (321 posts)
domain: amazon.com (276 posts)
domain: substack.com (268 posts)
domain: google.com (235 posts)
domain: nytimes.com (229 posts)
domain: wordpress.com (175 posts)
domain: tumblr.com (159 posts)
domain: vox.com (159 posts)
domain: washingtonpost.com (143 posts)
domain: marginalrevolution.com (140 posts)
domain: sciencedirect.com (131 posts)
domain: theguardian.com (130 posts)
subreddit: slatestarcodex (130 posts)
domain: youtube.com (128 posts)
Remember which posts I've read on this device
27 posts
Date
Length
Likes
Comments

The Beauty Of Settled Science

Scott argues the real distinction in psychology isn't between subfields but between settled science (like dopamine, brain localization, heritability) and breaking-news research, defending psychology's solid core against critics who conflate bad recent studies with the entire field.

acx
Aug 4, 2026 2,027 words 361 likes 269 comments Listen · 13 min Read Read

Psychology Research Is Mostly Fine

Scott defends psychology against broad dismissals by showing that the replication crisis primarily affected only social priming within social psychology, while the vast majority of the field consists of solid, replicable research across many subdisciplines.

acx
Jul 28, 2026 1,370 words 445 likes 377 comments Listen · 12 min Read Read

Never Cross a River Four Feet Deep on Average

A replication of a 2023 neuroscience study on brain entrainment and learning found that the original effect likely doesn't exist, revealing how the study obscured key issues through statistical averaging and highlighting how AI tools are democratizing scientific scrutiny.

acx
Jun 16, 2026 6,939 words 190 likes 115 comments Listen · 38 min Read Read

Here's Why Automaticity Is Real Actually

Scott Alexander defends the concept of automaticity in psychology, arguing that core cognitive biases and priming effects are real, while acknowledging some claims have been overstated.

acx
Aug 31, 2023 3,462 words 285 likes 706 comments Listen · 21 min Read Read

Highlights From The Comments On Long COVID And Bisexuality

Scott Alexander addresses feedback on his post about bisexuality and Long COVID, discussing alternative explanations and defending his methodology.

acx
May 11, 2023 7,069 words 59 likes 101 comments Listen · 38 min Read Read

Your Book Review: The Righteous Mind

The review critiques Haidt's 'The Righteous Mind', praising its contributions while highlighting flaws in its moral foundations theory and political predictions.

acx
Jul 15, 2022 12,330 words 126 likes 305 comments Listen · 75 min Read Read

On Hreha On Behavioral Economics

Scott Alexander argues that despite some replication failures, the core of behavioral economics remains valid and valuable, with the field continuing to evolve and refine its understanding of human decision-making.

acx
Aug 30, 2021 7,248 words 117 likes 361 comments Listen · 46 min Read Read

What Intellectual Progress Did I Make In The 2010s?

Scott Alexander reviews his intellectual progress in the 2010s across various fields, crediting his blog for accelerating learning.

ssc
Jan 8, 2020 4,854 words 0 likes 166 comments Listen · 29 min Read Read

[Partial Retraction] Age Gaps and Birth Order Effects

Scott Alexander partially retracts and corrects his previous findings on age gaps and birth order effects after errors were identified in his analysis.

ssc
Sep 9, 2019 671 words 0 likes 21 comments Listen · 6 min Read Read

5-HTTLPR: A Pointed Review

Scott examines how the 5-HTTLPR gene was wrongly linked to depression for years, discussing the implications for psychiatric research and genetic testing products.

ssc
May 7, 2019 3,284 words 0 likes 155 comments Listen · 24 min Read Read

Adult Neurogenesis – A Pointed Review

The post reviews research on adult neurogenesis, initially presenting evidence for its existence and importance, then reveals a new study suggesting it doesn't occur in humans, examining the implications of this potential field-wide error.

ssc
Apr 4, 2018 3,742 words 0 likes 99 comments Listen · 29 min Read Read

Are The Amish Unhappy? Super Happy? Just Meh?

Scott Alexander critically examines conflicting studies on Amish happiness levels, finding the research too unreliable to draw firm conclusions.

ssc
Apr 2, 2018 1,521 words 0 likes 146 comments Listen · 14 min Read Read

Fight Me, Psychologists: Birth Order Effects Exist And Are Very Strong

Scott Alexander presents survey data showing a strong overrepresentation of oldest siblings among his blog readers, challenging the view that birth order effects are negligible.

ssc
Jan 8, 2018 1,803 words 0 likes 401 comments Listen · 15 min Read Read

Learning To Love Scientific Consensus

Scott Alexander examines his evolving view on scientific consensus, realizing it's more reliable and self-correcting than he previously thought.

ssc
Apr 17, 2017 6,075 words 0 likes 609 comments Read Read

SSC Journal Club: Analytical Thinking Style And Religion

Scott Alexander examines a failed replication of a study claiming analytical thinking promotes religious disbelief, and discusses the broader implications for understanding the relationship between thinking styles and religious belief.

ssc
Feb 27, 2017 3,531 words 0 likes 211 comments Read Read

Should Buzzfeed Publish Claims Which Are Explosive If True But Not Yet Proven?

Scott Alexander critiques a Buzzfeed article skeptical of growth mindset research, arguing that while skepticism is warranted, more robust evidence is needed to disprove the theory.

ssc
Jan 14, 2017 1,505 words 0 likes 64 comments Read Read

Links 10/16: New URLeans

Scott shares various interesting news items and studies spanning history, science, politics, and technology, with commentary on each item's significance or irony.

ssc
Oct 4, 2016 1,888 words 0 likes 221 comments Read Read

Links 8/16: On My Right Hand Michael; On My Left Hand URL

A link roundup post covering various topics from video games to scientific studies, with Scott's commentary on each news item or piece of research.

ssc
Aug 26, 2016 2,074 words 0 likes 624 comments Read Read

Devoodooifying Psychology

Scott examines psychological phenomena attributed to the unconscious mind, noting many have failed to replicate, and suggests a shift away from the power of the unconscious in psychological research.

ssc
Aug 25, 2016 2,098 words 0 likes 291 comments Read Read

Ketamine Research In A New Light

Scott examines new research on ketamine's antidepressant effects and its implications for understanding depression and evaluating psychiatric literature.

ssc
Jun 7, 2016 1,657 words 0 likes 94 comments Read Read

Links 4/16: They Can’t Link Our Dick

A links roundup examining various scientific studies, social developments, and historical findings, with a particular focus on recent research about confounding variables and replication issues in science.

ssc
Apr 15, 2016 2,623 words 0 likes 393 comments Read Read

Links 3/16: Rulink Class

A links roundup post covering recent developments in science, medicine, psychology and politics, with particular focus on research replication issues and the 2016 election season.

ssc
Mar 9, 2016 3,099 words 0 likes 52 comments Read Read

If You Can’t Make Predictions, You’re Still In A Crisis

Scott Alexander argues that psychology is indeed in crisis, contrary to a New York Times article's claim, due to issues like publication bias and low replication rates.

ssc
Sep 5, 2015 1,866 words 0 likes 318 comments Read Read

Links 5/15: Tall And Linky

Scott shares and comments on various links covering science, politics, and culture, with topics ranging from automation's effect on employment to psychology's replication crisis.

ssc
May 8, 2015 1,617 words 0 likes 503 comments Read Read

Trouble Walking Down The Hallway

Scott Alexander analyzes two conflicting studies on gender bias in STEM hiring, exploring reasons for their contradictory results and the challenges in reaching a definitive conclusion.

ssc
Apr 15, 2015 3,019 words 0 likes 291 comments Read Read
Per page:
Showing 1 to 25 of 27 results
Get these search results in an EPUB

Your filters match 27 posts.

Posts to include
–
Leave empty to keep the defaults. Range cannot exceed 500 posts.
Download now

Generates an EPUB right now and downloads it to your device.

Send to email

Generates an EPUB in the background and emails you a temporary download link.

Your email is not shared with anyone.

Email address

To send to your Kindle, just use this link.