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o_guest's profile
Olivia Guest | Ολίβια Γκεστ
Olivia Guest | Ολίβια Γκεστ
Olivia Guest | Ολίβια Γκεστ
@o_guest

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Olivia Guest | Ολίβια Γκεστ

@o_guest

• goth gremlin • computational cognitive/neuroscience modeling • geek & techish Cypriot • plant aficionada • came up with #bropenscience • http://neuroplausible.com  •

Τότεναμ, Λονδίνο & Cyprus
olivia.science
Joined October 2015

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    1. simine vazire‏ @siminevazire Jan 21
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      Trying and struggling to understand this perspective. I’ve watched longer talks by Shiffrin and still don’t get it. https://featuredcontent.psychonomic.org/complexity-of-science-v-psprereg/ …pic.twitter.com/XAADkgdIg0

      25 replies 4 retweets 58 likes
    2. Roger Giner-Sorolla‏ @RogertheGS Jan 21
      • Report Tweet
      Replying to @siminevazire

      It's an extreme stance of intellectual humility that somehow never seems to show up in psychologists' outward-facing statements or professional evaluation criteria.

      2 replies 0 retweets 2 likes
    3. simine vazire‏ @siminevazire Jan 21
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      Replying to @RogertheGS

      But you think it describes how our field actually works internally? And that it’d be an efficient way for it to function? Genuinely curious.

      5 replies 0 retweets 0 likes
    4. Roger Giner-Sorolla‏ @RogertheGS Jan 21
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      Replying to @siminevazire

      I think our field mostly operates on the "truth" assumption, but runs to the "scratch pad" one in defense against things such as failures to replicate.

      1 reply 0 retweets 3 likes
    5. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 21
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      Replying to @RogertheGS @siminevazire

      So Rich is more math psych. And I understand him. I really struggle to understand the perspective(s) of social/personality psych people quite a bit and often have to ask for more context. When I get it, I can see more about what why the position you all have is the way it is.

      3 replies 1 retweet 7 likes
    6. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 21
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      Replying to @o_guest @RogertheGS @siminevazire

      Could that be it? As a modeller, I totally get Rich's angle. It feels the differences could be explained, at least in part, by what we see and do in our immediate sub(sub)fields?

      6 replies 1 retweet 5 likes
    7. Åse Kvist Innes-Ker‏ @asehelene Jan 21
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      Replying to @o_guest @RogertheGS @siminevazire

      Yes. I’m thinking of it now, on the bus. In social/emotion the models were mostly verbal, and the experiments created to fit standard linear statistical models, your t tests, regressions, anova, what have you.

      1 reply 0 retweets 1 like
    8. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 22
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      Replying to @asehelene @RogertheGS @siminevazire

      Slight tangent, but the cool thing about cognitive modelling is anything can be a model. K-means b be a cognitive novel, logistic regression can be a cognitive model. Even a t-test can be a cognitive model. Depending on what you're modelling.

      2 replies 1 retweet 4 likes
    9. jordan t. thevenow-harrison‏ @jtth Jan 25
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      Replying to @o_guest

      I’ve never done real formal modelling, but isn’t this a philosophical divide in parts of the field, where logistic regression would be rational model, a behavioral description of data and results, and a cognitive model would relate 1:1 with some kind of psychological construct?

      1 reply 0 retweets 2 likes
    10. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 25
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      Replying to @jtth

      Rational is such a loaded word and I do not think logistic regression is rational, it's a model, but not a rational one. So short answer: no. To decide on if a model is rational you need to formally define what you consider optimal behaviour for the task...

      1 reply 1 retweet 4 likes
      Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 25
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      Replying to @o_guest @jtth

      it's a minefield and that's partially why "rational" is a bit of a weasel word. I think a n appropriate question to ask, but cannot be answered here because I don't want to say more about the task/work, is what level of analysis (Marr, for example) the model operates at.

      7:25 AM - 25 Jan 2019
      • 2 Likes
      • jordan t. thevenow-harrison Esther Mondragón
      2 replies 0 retweets 2 likes
        1. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 25
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          Replying to @o_guest @jtth

          What I can say is I am using a logistic regression like I would use a neural network to model the participants (which BTW are already incredibly similar mathematically).

          0 replies 0 retweets 3 likes
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        2. jordan t. thevenow-harrison‏ @jtth Jan 25
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          Replying to @o_guest

          Ah, ok. Makes sense!

          1 reply 0 retweets 1 like
        3. jordan t. thevenow-harrison‏ @jtth Jan 25
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          Replying to @jtth @o_guest

          Thanks!

          1 reply 0 retweets 1 like
        4. Olivia Guest | Ολίβια Γκεστ‏ @o_guest Jan 25
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          Replying to @jtth

          Ah, no worries. Feel free to ask me more general questions. I really wish more people felt so comfortable/were curious.

          0 replies 0 retweets 1 like
        5. End of conversation

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