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Paul Christiansen

@paulchristiansen.bsky.social
214 followers 547 following 26 posts

Professor of Applied Statistics at the University of Liverpool department of Psychology. Rstats, data visualisation, psychometrics and Bill the Doberhound

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Reposted by Paul Christiansen
Des Fitzgerald @desfitzgerald.bsky.social · 13/10/2025
Seeing people nonchalantly post stuff like makes me feel like I'm going crazy honestly.
A post from an academic on blue sky that says: "I'm learning about "prompt engineering" when asking LLMs to extract data. I now add this to all instructions:

Style
Be concise, analytic, and specific (cite page/figure if provided). If essential info is missing, keep going but flag Unclear and exact data needed. Never invent data.
 
#academicsky"
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Paul Christiansen @paulchristiansen.bsky.social · 28/07/2025
An introduction to quantitative methods with @tandfresearch.bsky.social and @bpsofficial.bsky.social out soon
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Paul Christiansen @paulchristiansen.bsky.social · 28/07/2025
Another book on its way, this one with @sagepub.com
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Paul Christiansen @paulchristiansen.bsky.social · 05/07/2025
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Reposted by Paul Christiansen
Becky Evans @beckyevans.bsky.social · 01/07/2025
New paper! We tested the impact of exposure to a static banner advert in a videogame livestream on subsequent snack intake among adolescents... doi.org/10.1017/S136...
doi.org
The impact of food marketing via videogame livestreaming on snack intake in adolescents: A randomised controlled trial | Public Health Nutrition | Cambridge Core
The impact of food marketing via videogame livestreaming on snack intake in adolescents: A randomised controlled trial
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Paul Christiansen @paulchristiansen.bsky.social · 20/06/2025
Wonder where it was prior to sinking
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Paul Christiansen @paulchristiansen.bsky.social · 19/04/2025
Siskin
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Paul Christiansen @paulchristiansen.bsky.social · 09/04/2025
Soon...
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Paul Christiansen @paulchristiansen.bsky.social · 01/04/2025
Me reading a thread slating a statistical method I previously thought was fine
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Paul Christiansen @paulchristiansen.bsky.social · 16/03/2025
media.tenor.com
a cartoon character says to the dungeons while pointing at the camera
ALT: a cartoon character says to the dungeons while pointing at the camera
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Paul Christiansen @paulchristiansen.bsky.social · 14/03/2025
Stonechat
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Paul Christiansen @paulchristiansen.bsky.social · 12/03/2025
Billy's getting old
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Paul Christiansen @paulchristiansen.bsky.social · 07/03/2025
Frodo Baggins for world book day. Next year Anomander Rake lord of moonspawn son of darkness
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Paul Christiansen @paulchristiansen.bsky.social · 05/03/2025
Sunrise over #Liverpool this morning
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Reposted by Paul Christiansen
Prof Charlotte Hardman @charlottehardman.bsky.social · 16/02/2025
www.liverpool.ac.uk/population-h...
liverpool.ac.uk
Psychology Professor co-authors guide for creating healthy sustainable school meals | Stories | Institute of Population Health | University of Liverpool xlinkedinThe Original RedbrickUniversity ...
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Paul Christiansen @paulchristiansen.bsky.social · 12/02/2025
Plotting amnesty international corruption perception data onto a world map using #ggplot in ##rstats data and code include. See how awful (or not) your country is youtu.be/oODKWNd8kTM
youtu.be
R tutorial: Creating world maps and mapping data corruption with ggplot2
YouTube video by Statistics Guides with Prof Paul Christiansen
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Paul Christiansen @paulchristiansen.bsky.social · 11/02/2025
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Paul Christiansen @paulchristiansen.bsky.social · 04/02/2025
blood brain barrier? Utter woke nonsense
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Paul Christiansen @paulchristiansen.bsky.social · 04/02/2025
How to produce animated maps in #rstats data and code innhhe video description youtu.be/ra3BrCW5o54?...
youtu.be
R tutorial: How to create animated maps
YouTube video by Statistics Guides with Prof Paul Christiansen
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Paul Christiansen @paulchristiansen.bsky.social · 02/02/2025
Early morning Stonechat
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Paul Christiansen @paulchristiansen.bsky.social · 24/01/2025
Thank you find and replace
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Paul Christiansen @paulchristiansen.bsky.social · 24/01/2025
When Poisson, negative binomial and their zero inflated counterparts don't work
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Paul Christiansen @paulchristiansen.bsky.social · 24/01/2025
Making a world map and plotting data on it using #rstats data and code in the video description youtu.be/iai4iXIM7xs
youtu.be
R tutorial: Creating a world map and plotting data on it
YouTube video by Statistics Guides with Prof Paul Christiansen
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Reposted by Paul Christiansen
Institute of Population Health @livuni-iph.bsky.social · 15/01/2025
Join Professor Paul Christiansen (@paulchristiansen.bsky.social) for his inaugural lecture, "Not at All Boring Tales of Statistics" Register your place: bit.ly/40eshHe 🗓️Thursday 20 February 🕠17:30 - 19:00 #TeamLivUni
An image with "'Not at all boring tales of statistics' Professor Paul Christiansen" in white text against a navy blue background to the left and a portrait image of Professor Paul Christiansen to the right.
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Paul Christiansen @paulchristiansen.bsky.social · 07/01/2025
Comparing linear models using Bayes Factors- 4 min tutorial youtu.be/4TqSGie2Kqw?...
youtu.be
R tutorial: Producing Bayes factors to compare the fit of linear models
YouTube video by Statistics Guides with Prof Paul Christiansen
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Paul Christiansen @paulchristiansen.bsky.social · 09/12/2024
Creating wordclouds in #rstats text cleaning and the graph code in under 6mins youtu.be/ZEizkxzrglE
youtu.be
R tutorial: Creating a word cloud
YouTube video by Statistics Guides with Prof Paul Christiansen
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Paul Christiansen @paulchristiansen.bsky.social · 06/12/2024
Sample size calculations for t- tests in #rstats youtu.be/lnA8TrXU7a0
youtu.be
R Tutorial: Sample size calculations for t-tests
YouTube video by Statistics Guides with Prof Paul Christiansen
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Paul Christiansen @paulchristiansen.bsky.social · 05/12/2024
Exporting R plots so the can be fully editable in PowerPoint #rstats youtu.be/Qop7n24njis
youtu.be
R tutorial: Exporting an R plot so it can be edited in power point
YouTube video by Statistics Guides with Prof Paul Christiansen
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