Psychol Sci December 2017 PMID 29040007

Probing Birth-Order Effects on Narrow Traits Using Specification-Curve Analysis.

Julia M Rohrer, Boris Egloff, Stefan C Schmukle

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Mentions

Peak: 18 in Aug 2019

across 5 sources since Apr 2019

Extended reach

606,540

potential audience

Total likes

236

Video views

4,746

Mentions per month

Apr 2019 – Jun 2025

Where it's discussed

X / Twitter41 posts
Blogs3 articles
YouTube2 videos
News2 articles
Bluesky1 posts

AI synopsis

What people are saying

The overall tone shows support and curiosity with comments like 'several excellent studies' and praise for replication work, emphasizing the relevance and credibility of the research through positive words such as 'impressive' and 'excellent.' Furthermore, mentions of the methodology and calls for future research reflect active engagement and recognition of the study's potential impact on scientific understanding.

AgreementModerate agreement

Most posts support the findings, especially highlighting that birth order likely has minimal influence on personality and traits, reflecting some consensus.

InterestHigh interest

Discussions show high curiosity about the research, with comments praising replication efforts and calling studies 'impressive' or 'excellent,' indicating strong engagement.

EngagementModerate engagement

Posts refer to methods like specification-curve analysis, mention replication, and propose future analyses like multiverse studies, demonstrating active participation and deeper critique.

ImpactModerate impact

The discussions recognize the study's importance in challenging common beliefs and note its influence on ongoing debates about personality development and scientific reproducibility.

All mentions

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Aleksander Molak

@alxndrmlk.bsky.social · Bluesky

...causal inference from human behavior, the reproducibility crisis in sciences, and the power of causal graphs! Premiere today at 12 PM ET / 6PM CET https://www.youtube.com/watch?v=YQetmI-y5gM 2/2

Jun 4, 2025 · 7 likes · 2 shares View post →

tokatti

@tokatti_ · X

傾向、忍耐力、政治的な好みなどもチェックしたがいずれも生まれ順との相関は見つからなかった https://t.co/3g9R163svz 2015年のメタ分析生まれ順の研究は食い違いが多すぎて信頼度が低い https://t.co/C3oz8j8nmi 出生順が性格に影響する説が広まった理由研究者曰く、初めて育てる子供が大泣きした

Mar 9, 2024 · 1 like · 189 followers View post →

Mark Blagrove

@Mark_Blagrove · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Dec 29, 2023 · 32 shares · 2,568 followers View post →

@slutreplik · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Dec 28, 2023 · 32 shares · 3,777 followers View post →

SawyerShen

@sawyer_shen · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Dec 28, 2023 · 32 shares · 21 followers View post →

Lorne Campbell

@LorneJCampbell · X

@CostelloWilliam Small effect on self-reported intellect and not much else according to this specification curve analysis https://t.co/UQPE3BJOnh

Aug 27, 2023 · 1 like · 2,838 followers View post →

Yuuko Morimoto

@myuuko · X

Dec 25, 2022 · 14 likes · 3 shares · 9,270 followers View post →

Boxing好きな人。

@MZJBajViQgdJqOB · X

RT @myuuko: 【bot】ビッグ5と出生順の関係はほぼ否定されているけど、もっと細かい特性で調べてみたら、少なくとも知性と出生順には関係があったよという研究。他の幅広い特性では関係なし。 https://t.co/yZxJedro1t #abst_bot

Nov 10, 2022 · 2 shares · 404 followers View post →

Yuuko Morimoto

@myuuko · X

Nov 10, 2022 · 5 likes · 2 shares · 9,270 followers View post →

あーるとん

@rtoneeee · X

RT @myuuko: 【bot】ビッグ5と出生順の関係はほぼ否定されているけど、もっと細かい特性で調べてみたら、少なくとも知性と出生順には関係があったよという研究。他の幅広い特性では関係なし。 https://t.co/yZxJedakZt #abst_bot

Jun 9, 2022 · 4 shares · 51 followers View post →

Yuuko Morimoto

@myuuko · X

RT @kaihiraishi: これね。 Rohrer, J. M., Egloff, B., & Schmukle, S. C. (2017). Probing Birth-Order Effects on Narrow Traits Using Specification…

Jun 9, 2022 · 1 share · 9,270 followers View post →

μia tαkeδa

@murmurmia · X

Jun 9, 2022 · 4 shares · 757 followers View post →

Hiraishi Kai

@kaihiraishi · X

これね。 Rohrer, J. M., Egloff, B., & Schmukle, S. C. (2017). Probing Birth-Order Effects on Narrow Traits Using Specification Curve Analysis. Psychological Science. https://t.co/TOcqREVVO3

Jun 9, 2022 · 3 likes · 1 share · 3,022 followers View post →

野澤真一

@melonsode · X

Jun 9, 2022 · 4 shares · 1,030 followers View post →

Yuuko Morimoto

@myuuko · X

Jun 9, 2022 · 20 likes · 4 shares · 9,270 followers View post →

P£D

@impedro0 · X

References -Rohrer, J.M., Egloff, B., & Schmukle, S.C. (2017). Probing birth-order effects on narrow traits using specification-curve analysis. Psychological Science. -Rohrer, J. M., Egloff, B., & Schmukle, S. C. (2015). Examining the effects of birth

Jan 26, 2022 · 4 likes · 827 followers View post →

八島健太郎

@attsueichanpapa · X

【生まれ順と性格は関係ない】 1万人以上を調べた研究で無関係と結論。長男ぽさ次男ぽさってのは育てる側の意識の変化による影響らしい。たしかに人間の性格は遺伝と人間関係で9割以上決まるからこれでいろいろ辻褄合うね◎ https://t.co/QTbZffGuvR

Dec 17, 2021 · 30 followers View post →

Yuuko Morimoto

@myuuko · X

May 10, 2021 · 10 likes · 9,270 followers View post →

Yuuko Morimoto

@myuuko · X

Jan 30, 2021 · 8 likes · 3 shares · 9,270 followers View post →

Helmholtz Watson

@WatsonHelmholtz · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Mar 6, 2020 · 32 shares · 1,999 followers View post →

IronHeaver

@IronHeaver · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Mar 6, 2020 · 32 shares · 768 followers View post →

Yuuko Morimoto

@myuuko · X

Dec 16, 2019 · 4 likes · 9,270 followers View post →

Drew Bailey

@drewhalbailey · X

@ampenner @the100ci Two really impressive replications by authors there: https://t.co/Hlxs9UgAHh https://t.co/LO6Yki4SQw

Sep 28, 2019 · 4 likes · 1,412 followers View post →

Atlanto Celtica

@AtlantoCeltica · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 18, 2019 · 32 shares · 1,416 followers View post →

Robert VerBruggen

@RAVerBruggen · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 9,340 followers View post →

Philip Quick

@philipquick · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 1,111 followers View post →

edgwrth

@edgwrth · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 147 followers View post →

Naftali “NAFOid” Quartey

@NigelQuartey · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 1,728 followers View post →

Steve Stewart-Williams

@SteveStuWill · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 242,274 followers View post →

Stephen Lingham

@stephenlingham · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 289 followers View post →

Lockdown Delivery Driver

@Opinionator11 · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 193 followers View post →

Merete Konnerup

@MereteKonnerup · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 15, 2019 · 32 shares · 235 followers View post →

J. Daniel Sawyer

@dsawyer · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 2,357 followers View post →

A.Shuey

@MandaineE · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 390 followers View post →

Nick

@NMaterazzo · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 358 followers View post →

Juventud Liberal Colombia

@ColombiaLiberal · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 458 followers View post →

Jay

@jckellyinc · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 21 followers View post →

Geoffrey Kabat

@GeoKabat · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 1,276 followers View post →

NIB

@Wojak787 · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 12 followers View post →

Dr John Barry

@MalePsychology · X

RT @SteveStuWill: @NicoleBarbaro One of several excellent studies suggesting that birth order probably has no lasting effect on personality…

Aug 14, 2019 · 32 shares · 11,369 followers View post →

Steve Stewart-Williams

@SteveStuWill · X

Aug 14, 2019 · 89 likes · 32 shares · 242,274 followers View post →

Talia Shirazi, PhD

@talia_shirazi · X

@Ben_C_J @rubenarslan @urszulammarcin1 @LisaDeBruine @Laura_Marta_ @laura_vowels @Monica_Koehn @KhandisBlake @eisenlohr_moul @nm_grebe @DrMLChivers @julia_juenger Also, I 0% know how to write code for a multiverse analysis, but my research dream would be for someone to do a multiverse analysis on this exact topic (something similar to @dingding_peng's https://t.co/ghbY0AfJ0d)

Apr 8, 2019 · 1 like · 431 followers View post →

Probing Birth-Order Effects on Narrow Traits Using Specification-Curve Analysis.

Mentions per month

Where it's discussed

What people are saying

Top posts

All mentions

Understanding Causal Inference and the Reproducibility Crisis in Human Behavior

Introduction to Multiverse Analysis in R: A Coding Guide