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Category: Just fun

[72] Metacritic Has A (File-Drawer) Problem

Posted on July 2, 2018December 21, 2018 by Joe Simmons

Metacritic.com scores and aggregates critics’ reviews of movies, music, and video games. The website provides a summary assessment of the critics’ evaluations, using a scale ranging from 0 to 100. Higher numbers mean that critics were more favorable. In theory, this website is pretty awesome, seemingly leveraging the wisdom-of-crowds to give consumers the most reliable…

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[56] TWARKing: Test-Weighting After Results are Known

Posted on January 3, 2017December 17, 2021 by Uri Simonsohn

On the last class of the semester I hold a “town-hall” meeting; an open discussion about how to improve the course (content, delivery, grading, etc). I follow-up with a required online poll to “vote” on proposed changes [1]. Grading in my class is old-school. Two tests, each 40%, homeworks 20% (graded mostly on a completion…

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[32] Spotify Has Trouble With A Marketing Research Exam

Posted on January 12, 2015January 30, 2020 by Leif Nelson

This is really just a post-script to Colada [2], where I described a final exam question I gave in my MBA marketing research class. Students got a year’s worth of iTunes listening data for one person –me– and were asked: “What songs would this person put on his end-of-year Top 40?” I compared that list…

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[22] You know what's on our shopping list

Posted on May 22, 2014February 16, 2020 by Leif Nelson

As part of an ongoing project with Minah Jung, a nearly perfect doctoral student, we asked  people to estimate the percentage of people who bought some common items in their last trip to the supermarket. For each of 18 items, we simply asked people (N = 397) to report whether they had bought it on…

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[15] Citing Prospect Theory

Posted on February 10, 2014February 12, 2020 by Uri Simonsohn

Kahneman and Tversky's (1979) Prospect Theory (.html), with its 9,206 citations, is the most cited article in Econometrica, the prestigious journal in which it appeared. In fact, it is more cited than any article published in any economics journal. [1] Let's break it down by year. To be clear, this figure shows that just in 2013, Prospect Theory got about…

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[9] Titleogy: Some facts about titles

Posted on December 4, 2013August 16, 2021 by Uri Simonsohn

Naming things is fun. Not sure why, but it is. I have collaborated in the naming of people, cats, papers, a blog, its posts, and in coining the term "p-hacking." All were fun to do. So I thought I would write a Colada on titles. To add color I collected some data. At the end…

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[8] Adventures in the Assessment of Animal Speed and Morality

Posted on November 25, 2013February 11, 2020 by Leif Nelson

In surveys, most people answer most questions. That is true regardless of whether or not questions are coherently constructed and reasonably articulated. That means that absurd questions still receive answers, and in part because humans are similar to one another, those answers can even look peculiarly consistent. I asked an absurd question and was rewarded…

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[5] The Consistency of Random Numbers

Posted on October 23, 2013January 25, 2019 by Leif Nelson

What’s your favorite number between 1 and 100? Now, think of a random number between 1 and 100. My goal for this post is to compare those two responses. Number preferences feel random. They aren’t. “Random” numbers also feel random. Those aren’t random either. I collected some data, found a pair of austere academic papers,…

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Posts on similar topics

Just fun
  • [72] Metacritic Has A (File-Drawer) Problem
  • [56] TWARKing: Test-Weighting After Results are Known
  • [32] Spotify Has Trouble With A Marketing Research Exam
  • [22] You know what's on our shopping list
  • [15] Citing Prospect Theory
  • [9] Titleogy: Some facts about titles
  • [8] Adventures in the Assessment of Animal Speed and Morality
  • [5] The Consistency of Random Numbers

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© 2021, Uri Simonsohn, Leif Nelson, and Joseph Simmons. For permission to reprint individual blog posts on DataColada please contact us via email..