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emollick's profile
Ethan Mollick
Ethan Mollick
Ethan Mollick
Verified account
@emollick

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Ethan MollickVerified account

@emollick

Professor @Wharton studying innovation & entrepreneurship & ephemera. Democratizing business education through games (Play: https://interactive.wharton.upenn.edu/experiences/bluesky-ventures-game/ …) Book on 🦄s

Philadelphia, PA
mgmt.wharton.upenn.edu/profile/emolli…
Joined May 2009

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    Ethan Mollick‏Verified account @emollick 21 Sep 2020

    Previous studies suggested that teaching kids chess improved a whole lot of outcomes, from math skills to logic to academic achievement.... except that almost all of these studies were small. A large randomized trial with 4,000 students finds no advantages to learning chess 1/2pic.twitter.com/bYGhJz9JbU

    6:51 PM - 21 Sep 2020
    • 274 Retweets
    • 813 Likes
    • Steve Stewart-Williams nestedlogit Deshdeep Dhankhar Robert Kubinec Łukasz Magda Burton Lee ً Questioneer Alex Danvers
    30 replies 274 retweets 813 likes
      1. New conversation
      2. Ethan Mollick‏Verified account @emollick 21 Sep 2020

        The findings are interesting in itself (I don't have to feel guilty about not teaching my kids chess!), but it also has a bigger point: small samples sizes (and the file drawer problem where null results aren't published) result in accidental bias. 2/2 https://muse-jhu-edu.proxy.library.upenn.edu/article/706374#.X2lX7F_0crg.twitter …pic.twitter.com/EdAJvGqtLX

        3 replies 21 retweets 154 likes
        Show this thread
      3. Ethan Mollick‏Verified account @emollick 21 Sep 2020

        Ethan Mollick Retweeted Rolf Degen

        Also, playing an instrument also has no effect on cognitive development (though music is nice for its own sake!)https://twitter.com/degenrolf/status/1217291523768901632?s=21 …

        Ethan Mollick added,

        Rolf Degen @DegenRolf
        Meta-analysis: "The impact of music training on cognitive and academic skills is null." https://psyarxiv.com/7s8wr/  pic.twitter.com/km36EunErw
        6 replies 17 retweets 129 likes
        Show this thread
      4. Ethan Mollick‏Verified account @emollick 21 Sep 2020

        Ethan Mollick Retweeted Gordon Pennycook

        Neither does learning a second language.https://twitter.com/GordPennycook/status/979745726577098757 …

        Ethan Mollick added,

        Gordon Pennycook @GordPennycook
        New meta-analysis in Psych Bulletin: After correcting for publication bias, *no evidence* for a bilingual advantage in executive functioning across six domains using 891 effect sizes from 152 studies on adults. APA: http://psycnet.apa.org/record/2018-08785-001 … pdf: https://psyarxiv.com/vwcgu/download?format=pdf … pic.twitter.com/rtfnhVQGqS
        3 replies 13 retweets 106 likes
        Show this thread
      5. Ethan Mollick‏Verified account @emollick 21 Sep 2020

        Ethan Mollick Retweeted Ethan Mollick

        But there is one hack that works to increase the intelligence of kids...https://twitter.com/emollick/status/1295561572195213312 …

        Ethan Mollick added,

        Ethan MollickVerified account @emollick
        Why school is so important, distilled: Each year of schooling increases IQ by 1-5 points, and these effects persist for a lifetime. This meta-analysis concludes "Education appears to be the most consistent, robust and durable method yet to be identified for raising intelligence." pic.twitter.com/vH4wI6VIyo
        11 replies 36 retweets 192 likes
        Show this thread
      6. Ethan Mollick‏Verified account @emollick 22 Sep 2020

        On the plus side, being good at chess does make you better at beating people at chess, and that isn’t true for all games. This is an objective ranking of games by whether you win by skill or luck. Chess requires the the most skill, poker is more luck. https://www.econstor.eu/bitstream/10419/179272/1/1015084214.pdf …pic.twitter.com/ExgNWgJpI3

        2 replies 4 retweets 25 likes
        Show this thread
      7. End of conversation
      1. New conversation
      2. Andrew Bell‏Verified account @AndrewBellBNN 21 Sep 2020
        Replying to @emollick @Noahpinion

        I think I read somewhere that playing chess is good for... improving your chess.

        2 replies 2 retweets 29 likes
      3. Guzman‏ @GuzaUy 21 Sep 2020
        Replying to @AndrewBellBNN @emollick @Noahpinion

        Interesting hypothesis 🤔

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. This Tweet is unavailable.
      2. Drs. Eric Jan Malotaux‏ @EricJanMalotaux 22 Sep 2020
        Replying to @ekovarski @emollick

        On the other hand, I have heard countless adults say they wished their parents had helped them more to persevere practicing their instrument.

        0 replies 0 retweets 3 likes
      3. Show replies
      1. New conversation
      2. Scott‏ @LeimrothScott 21 Sep 2020
        Replying to @emollick

        So nothing you learn raises intelligence? 🤔

        1 reply 0 retweets 1 like
      3. Kevin Fulton‏ @Teacher_Fulton 21 Sep 2020
        Replying to @LeimrothScott @emollick

        Kevin Fulton Retweeted Ethan Mollick

        Nothing by itself. But put the whole thing together (all aspects of education) and you can raise intelligence.https://twitter.com/emollick/status/1295561572195213312 …

        Kevin Fulton added,

        Ethan MollickVerified account @emollick
        Why school is so important, distilled: Each year of schooling increases IQ by 1-5 points, and these effects persist for a lifetime. This meta-analysis concludes "Education appears to be the most consistent, robust and durable method yet to be identified for raising intelligence." pic.twitter.com/vH4wI6VIyo
        1 reply 2 retweets 5 likes
      4. Show replies

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