Joseph Appiah
@josephappiah.bsky.social
I am a Psychology graduate (B.A) from the University of Ghana with a strong interest in stereotypes, Prejudices,Implict bias, group norms and social cognition. I founded and currently direct the SIGNAL Lab, an undergardaute-led research lab.
Reposted by Joseph Appiah
While studies find that moral outrage & negativity goes viral on social media, this is also true of the offline world. Gossip is also mostly negative & about people we dislike
I explain why some ideas go viral--but most don't with @steverathje.bsky.social
www.powerofusnewsletter.com/p/why-some-i...
I explain why some ideas go viral--but most don't with @steverathje.bsky.social
www.powerofusnewsletter.com/p/why-some-i...
Why Some Ideas Go Viral—and Most Don’t
What decades of research reveal about why certain content spreads—and how social forces shape what we all see.
www.powerofusnewsletter.com
December 16, 2025 at 6:20 PM
While studies find that moral outrage & negativity goes viral on social media, this is also true of the offline world. Gossip is also mostly negative & about people we dislike
I explain why some ideas go viral--but most don't with @steverathje.bsky.social
www.powerofusnewsletter.com/p/why-some-i...
I explain why some ideas go viral--but most don't with @steverathje.bsky.social
www.powerofusnewsletter.com/p/why-some-i...
Reposted by Joseph Appiah
Ericsson & Simon (1980) takes the middle cell psycnet.apa.org/record/1980-...
Now, your nominations for minimal citation impact but moderate actual impact?
A contribution that altered policy or practice...
A paper that extinguished an active area of research...
An uncredited gem...
Now, your nominations for minimal citation impact but moderate actual impact?
A contribution that altered policy or practice...
A paper that extinguished an active area of research...
An uncredited gem...
November 11, 2025 at 1:28 PM
Ericsson & Simon (1980) takes the middle cell psycnet.apa.org/record/1980-...
Now, your nominations for minimal citation impact but moderate actual impact?
A contribution that altered policy or practice...
A paper that extinguished an active area of research...
An uncredited gem...
Now, your nominations for minimal citation impact but moderate actual impact?
A contribution that altered policy or practice...
A paper that extinguished an active area of research...
An uncredited gem...
Reposted by Joseph Appiah
I'm giving a talk on "How Social Media Misleads Us about Public Opinion" to The National Academies of Sciences, Engineering & Medicine in DC
Watch it online or in person: www.nationalacademies.org/event/45948_11-2025_beware-the-funhouse-mirror-how-social-media-misleads-us-about-public-opinion
Watch it online or in person: www.nationalacademies.org/event/45948_11-2025_beware-the-funhouse-mirror-how-social-media-misleads-us-about-public-opinion
October 25, 2025 at 4:04 PM
I'm giving a talk on "How Social Media Misleads Us about Public Opinion" to The National Academies of Sciences, Engineering & Medicine in DC
Watch it online or in person: www.nationalacademies.org/event/45948_11-2025_beware-the-funhouse-mirror-how-social-media-misleads-us-about-public-opinion
Watch it online or in person: www.nationalacademies.org/event/45948_11-2025_beware-the-funhouse-mirror-how-social-media-misleads-us-about-public-opinion
Reposted by Joseph Appiah
An interview with @news.illinois.edu about the possibilities of change in implicit bias and the opportunities and pitfalls of implicit bias education:
news.illinois.edu/is-unintenti...
news.illinois.edu/is-unintenti...
October 22, 2025 at 2:52 PM
An interview with @news.illinois.edu about the possibilities of change in implicit bias and the opportunities and pitfalls of implicit bias education:
news.illinois.edu/is-unintenti...
news.illinois.edu/is-unintenti...
Reposted by Joseph Appiah
This is so interesting. Causal evidence that attending Montessori schools before and during kindergarten increases children’s reading ability, short-term memory, executive function, and theory of mind.
A national randomized controlled trial of the impact of public Montessori preschool at the end of kindergarten | PNAS
Although seminal studies from the early 1960s suggested quality preschool can have
lasting positive effects, agreement is lacking on the efficacy o...
www.pnas.org
October 21, 2025 at 11:42 AM
This is so interesting. Causal evidence that attending Montessori schools before and during kindergarten increases children’s reading ability, short-term memory, executive function, and theory of mind.
I’m excited to share my first academic narrative review:
"𝗦𝘁𝗲𝗿𝗲𝗼𝘁𝘆𝗽𝗲𝘀 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗦𝘆𝘀𝘁𝗲𝗺: 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗼𝗻 𝗝𝗲𝗻𝗻𝗶𝗳𝗲𝗿 𝗘𝗯𝗲𝗿𝗵𝗮𝗿𝗱𝘁’𝘀 𝗖𝗼𝗻𝘁𝗿𝗶𝗯𝘂𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝗦𝗼𝗰𝗶𝗮𝗹 𝗣𝘀𝘆𝗰𝗵𝗼𝗹𝗼𝗴𝘆"
📄 lnkd.in/eu_jEnER
"𝗦𝘁𝗲𝗿𝗲𝗼𝘁𝘆𝗽𝗲𝘀 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗦𝘆𝘀𝘁𝗲𝗺: 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗼𝗻 𝗝𝗲𝗻𝗻𝗶𝗳𝗲𝗿 𝗘𝗯𝗲𝗿𝗵𝗮𝗿𝗱𝘁’𝘀 𝗖𝗼𝗻𝘁𝗿𝗶𝗯𝘂𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝗦𝗼𝗰𝗶𝗮𝗹 𝗣𝘀𝘆𝗰𝗵𝗼𝗹𝗼𝗴𝘆"
📄 lnkd.in/eu_jEnER
October 21, 2025 at 8:43 PM
I’m excited to share my first academic narrative review:
"𝗦𝘁𝗲𝗿𝗲𝗼𝘁𝘆𝗽𝗲𝘀 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗦𝘆𝘀𝘁𝗲𝗺: 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗼𝗻 𝗝𝗲𝗻𝗻𝗶𝗳𝗲𝗿 𝗘𝗯𝗲𝗿𝗵𝗮𝗿𝗱𝘁’𝘀 𝗖𝗼𝗻𝘁𝗿𝗶𝗯𝘂𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝗦𝗼𝗰𝗶𝗮𝗹 𝗣𝘀𝘆𝗰𝗵𝗼𝗹𝗼𝗴𝘆"
📄 lnkd.in/eu_jEnER
"𝗦𝘁𝗲𝗿𝗲𝗼𝘁𝘆𝗽𝗲𝘀 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗦𝘆𝘀𝘁𝗲𝗺: 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗼𝗻 𝗝𝗲𝗻𝗻𝗶𝗳𝗲𝗿 𝗘𝗯𝗲𝗿𝗵𝗮𝗿𝗱𝘁’𝘀 𝗖𝗼𝗻𝘁𝗿𝗶𝗯𝘂𝘁𝗶𝗼𝗻𝘀 𝘁𝗼 𝗦𝗼𝗰𝗶𝗮𝗹 𝗣𝘀𝘆𝗰𝗵𝗼𝗹𝗼𝗴𝘆"
📄 lnkd.in/eu_jEnER
Reposted by Joseph Appiah
Lots of people seem to have flocked here, so it's probably a good time to post that I'll be recruiting Ph.D. students to join my new lab in BU's psychology department this cycle!
more info about the lab and how to apply to BU here: cldlab.org/join
more info about the lab and how to apply to BU here: cldlab.org/join
November 11, 2024 at 4:48 PM
Lots of people seem to have flocked here, so it's probably a good time to post that I'll be recruiting Ph.D. students to join my new lab in BU's psychology department this cycle!
more info about the lab and how to apply to BU here: cldlab.org/join
more info about the lab and how to apply to BU here: cldlab.org/join