PsychBrief

PsychBrief

Briefing you on the best of psychology

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  • Don’t be tempted to analyse ordinal data like interval or ratio!

    Don’t be tempted to analyse ordinal data like interval or ratio!

    Ordinal scales are everywhere in psychology. From mood ratings to pain scales, they are one of the most prevalent tools in the field. They frequently appear in other domains e.g. medicine, education, etc. and most often appear as Likert scales. These scales require participants to give a score (along an increasing scale) in response to […]

    PsychBrief

    October 17, 2018
    Uncategorized
    Bayes, Distribución, Modelos, Tipos de datos
  • Setbacks, learning from mistakes, and my incorrect view of intelligence

    Setbacks, learning from mistakes, and my incorrect view of intelligence

    Things have been going well professionally for quite a while now. It was therefore only a matter of time before a setback came along. The details are not important but the lessons I’ve learned from my mistakes are. Just over a month ago I was told a project I’d been working on for 11 months […]

    PsychBrief

    September 26, 2018
    Home improvements
    Intelligence
  • Essential R packages for education researchers

    Essential R packages for education researchers

    The intention behind this is to create an updating well of R resources for scientists who focus on education research. If you have any more suggestions please write a comment below or contact me on social media and I’ll add them. Data manipulation and visualization Tidyverse (Sam Parsons)- A collection of packages which allow for comprehensive data […]

    PsychBrief

    September 17, 2018
    Statistics
    Bayes, Models, Open science, R
  • The Death of the Academic Author: why we should focus less on the writer

    The Death of the Academic Author: why we should focus less on the writer

    A recent article exploring the relationship between exercise and mental health (Chekroud et al., 2018) has stirred a lot debate. It was an interesting study and gained a lot of traction, with over 2500 retweets of the original summary thread by Adam Chekroud and multiple articles by various news outlets e.g. the BBC, Time. There was […]

    PsychBrief

    August 17, 2018
    Metascience
    Debate, Scientific culture
  • Paul Meehl on philosophy of science: video lectures and papers

    Paul Meehl on philosophy of science: video lectures and papers

    After literally 2 years, I’ve finally finished making notes on Paul Meehl’s philosophy of science lectures. This is the portal to all the different lectures. I’ve also included a single sentence summary of them.  They are excellent and I strongly recommend you watch them. However, his papers are the best scientific articles I have ever read […]

    PsychBrief

    August 6, 2018
    Meehl lectures
    Logic, NHST, Open science, Theory
  • Notes on Paul Meehl’s “Philosophical Psychology Session” #12

    These are the notes I made whilst watching the video recording of Paul Meehl’s philosophy of science lectures. This is the twelfth and final episode (a list of all the videos can he found here). Please note that these posts are not designed to replace or be used instead of the actual videos (I highly […]

    PsychBrief

    July 19, 2018
    Meehl lectures
    Logic, NHST, Prediction, Theory, Verisimilitude
  • Failed replications, questioning authority, and outdated mentalities

    Researchers face a tricky situation when another scientist fails to replicate their work. Do you double down on your original findings, admit your work was likely a false positive, or something between these poles? And how do you respond when a colleagues work fails to replicate? All these questions were raised again after a series […]

    PsychBrief

    July 3, 2018
    Metascience
    Criticism, Methodology, Replication, Scientific culture
  • Notes on Paul Meehl’s “Philosophical Psychology Session” #11

    These are the notes I made whilst watching the video recording of Paul Meehl’s philosophy of science lectures. This is the tenth episode (a list of all the videos can he found here). Please note that these posts are not designed to replace or be used instead of the actual videos (I highly recommend you […]

    PsychBrief

    June 28, 2018
    Meehl lectures
    Logic, Prediction, Psychoanalysis
  • Notes on Paul Meehl’s “Philosophical Psychology Session” #10

    These are the notes I made whilst watching the video recording of Paul Meehl’s philosophy of science lectures. This is the tenth episode (a list of all the videos can he found here). Please note that these posts are not designed to replace or be used instead of the actual videos (I highly recommend you […]

    PsychBrief

    June 27, 2018
    Meehl lectures
    Prediction, Probability, Theory
  • The positive predictive value/false discovery rate are fundamentally flawed

    The positive predictive value (PPV) was brought to a wider audience by John Ioannidis in his famous 2005 paper ‘Why Most Published Research Findings Are False’. The related concept false discovery rate (FDR) was popularised by Colquhoun (2014), though the idea it’s based on dates back to Jeffreys (1939). They have become very popular in recent […]

    PsychBrief

    May 17, 2018
    Metascience, Statistics
    Criticism, NHST, Power, Probability
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