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PODCAST

Everything Hertz

Methodology, scientific life, and bad language. Co-hosted by Dr. Dan Quintana (University of Oslo) and Dr. James Heathers (Cipher Skin)

science social sciences

All Episodes

1:00:11

34: E-health (with Robin Kok)

Everything Hertz ·

2016/12/22

Dan and James have their very first guest! For this episode they're joined by Robin Kok (University of Southern Denmark) to talk e-health. They also cover a recent blog post that inadvertently highlighted questionable research practices in psychology. Some of the topics covered: The grad student who never said no Postdoc work/life balance Questionable research practices Torturing data (with rattan sticks) Using the GRIM test to assess data accuracy Unpaid internships Saying 'yes' to opportunities

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43:53

33: Zombie theories

Everything Hertz ·

2016/12/16

Dan and James discuss Zombie theories, which are scientific ideas that continue to live on in the absence of evidence. Why do these ideas persist and how do we kill them for good? Some of the topics covered: Why do some ideas live on? Zombie theories in heart rate variability research Reasons why zombie theories proliferate more in the social sciences Attractiveness and simplicity Theories become brands Oxytocin zombie theories The power of shaming Ideas are corrected more quickly in smaller fields

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43:08

32: Can worrying about getting sick make you sicker?

Everything Hertz ·

2016/12/01

Dan and James discuss a new population study that linked health anxiety data with future heart disease. Some of the topics covered: Web MD and health anxiety How would healthy anxiety contribute to heart disease? A summary of the study Ischemic heart disease = coronary artery disease Do people with healthy anxiety take better care of thier health? Don't be fooled by percentage increase of risk for something that's rare There are some things you can't just randomize The pros and cons of big data

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54:56

31: Discover your psychiatric risk with this one...

Everything Hertz ·

2016/11/16

Dan and James discuss a recent study of over one million Swedish men that found that higher resting heart rate late adolescence was associated with an increased risk for subsequent psychiatric illness. Some of the topics covered: How did these authors get such an enormous dataset? The benefits of testing so many people What we liked about the study (hint: lots of things) Measuring cardiovascular efficiency using a cycle ergometer The pitfalls of self-reported physical activity How the media

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49:05

30: Authorship

Everything Hertz ·

2016/11/02

Dan and James discuss authorship in the biomedical sciences

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48:55

29: Learning new skills

Everything Hertz ·

2016/10/16

Dan and James talk about how they learn new things. Some of the topics discussed: Internet memes Consolidating old ideas rather than learning new ones Why learn a new skill when you just get someone else to do it? A lesson of not having a good understanding statistical software... James and Dan butt heads about meta-analysis (again) Learning new things is interesting How did people learn things before the internet? How to follow things on Twitter without being on Twitter Links Bayes factor paper

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49:04

28: Positive developments in biomedical science

Everything Hertz ·

2016/09/30

Pre-registration, p-hacking, power, protocols. All these concepts are pretty mainstream in 2016 but hardly discussed 5 years ago. In this episode, James and Dan talk about these ideas and other developments in biomedical science. Some of the topics discussed: James loves blinded reviews, scihub Dan loves protocols, learning stats through social media, reproducible science Links The COMPARE initiative - http://compare-trials.org "Give me the F-ing PDF" Chrome

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52:45

27: Complaints and grievances

Everything Hertz ·

2016/09/23

Dan and James discuss complaints and grievances. Stay tuned for part 2 where things get positive. Some of the topics discussed: Conflicts of interest Criticism in psychology Why does there seem to be so much bad blood in psychology? Retracted papers: fraud or sloppiness? Authors not acknowledging your peer-review remarks The short-term nature of research The benefits of 'centers of excellence' Links The 'vibe of the thing' scene from 'The Castle' (Great Aussie

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45:31

26: Interpreting effect sizes

Everything Hertz ·

2016/09/09

When interpreting the magnitude of group differences using effect sizes, researchers often rely on Cohen's guidelines for small, medium, and large effects. However, Cohen originally proposed these guidelines as a fall back when the distribution of effect sizes was unknown. Despite the hundreds of available studies comparing heart rate variability (HRV), Cohen's guidelines are still used for interpretation. In this episode, Dan discusses his recent preprint describing an effect size distribution

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55:02

25: Misunderstanding p-values

Everything Hertz ·

2016/08/27

P-values are universal, but do we really know what they mean? In this episode, Dan and James discuss a recent paper describing the failure to correctly interpret p-values in a sample of academic psychologists. Some of the topics discussed: Common p-value misconceptions James tests Dan on his p-value knowledge p-values vs. effect size The problem of sample size with p-value interpretation The Facebook mood manipulation study Data peeking Equivalent p-values do not represent equivalent

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1:00:20

24: Incentive structures in science

Everything Hertz ·

2016/08/17

Science funding has a series of built in incentive structures, but what sort of science does this produce? Some of the topics discussed: Feedback from our 'Public health and Pokemon' episode (#22) Incentive structures in science What we should be doing in science compared to what we are doing Quantity vs. Quality The analysis of Trump's tweets for negativity vs. positivity Pre-registration How much detail do you need to go into when it comes to pre-registering an analysis APS journal badges -

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52:40

23: Serious academics

Everything Hertz ·

2016/08/11

Can you be a "serious academic" while still posting photos on Instagram? In this episode, James and Dan discuss a recent article bemoaning the infiltration of the "selfie epidemic" into academia. Some of the topics discussed: James and Dan share their thoughts on the article The REAL 'c' word.... Social media and conferences Snapchat + academics = snapademics Using Instagram stories to share you research Why "PHD comics" is so successful Criticism in academia Listener question 1: What's your

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59:15

22: Pokemon and public health

Everything Hertz ·

2016/08/03

Pokemon Go is sweeping the world and getting people walking again! But is the Pokemon Go 'model' a golden opportunity to tackle obesity or just another fad? Some of the topics discussed: James plays "Pokemon or Cholesterol medication?" Dan tries to explain Pokemon Go to James James' first contact with Pokemon Go "trainers" Should health interventions be modeled on Pokemon Go? Other exercise augmented reality health apps What's the app's endgame? Can health authorities copy this model? We make a

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58:17

21: This is your brain on steroids

Everything Hertz ·

2016/07/22

It's well established that steroid use is associated with many adverse healthy outcomes, but what does it actually do to your brain? Dan and James discuss an interesting new paper that compared brain structure in long-term steroid users and non-using weightlifters. Some of the topics discussed: A summary of the study How are steroids typically used? What are the differences in use between sports? The recruitment of 'real' users James gives Dan a surprise Norwegian test (he doesn't do too well) The

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1:01:59

20: Sample sizes in psychology studies

Everything Hertz ·

2016/07/13

Can psychologists learn more by studying fewer people? Some of the topics discussed: Brexit and science Can the UK take the 'Norway' option? Horizon 2020 The impact on personnel and research training Italian coffee Listener feedback We're sorry for the chewing sound from episode 17! Intraindividual replication vs. larger sample sizes What sort of experiments are better suited to detailed within-subject studies? Is 'quantified self' data more valid than experimental data? What if you happen to

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47:24

19: Let us spray: oxytocin and spirituality

Everything Hertz ·

2016/07/06

Dan and James discuss a recent paper on intranasal oxytocin and spirituality Some of the topics discussed: A summary of a recent paper on oxytocin and spirituality Why within-subject designs are a better choice for oxytocin research The physiology of nasal administration How do you control for differences in nasal environment Hypothesis-driven vs. exploratory research Oxytocin pathway gene ANCOVA and Lord's paradox (yep, it's called that) Dan applauding the authors for posting ALL their data

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51:28

18: Data sharing

Everything Hertz ·

2016/06/29

Withholding data: bad science or scientific misconduct? Some of the topics discussed: Dan raises privacy issues surrounding sharing data What are the limits of AI to identify people from 'un-identifiable' data? The new age of sharing data What grinds Dan's gears Requesting data from people who said that they'd actually share their data James' experiences with requesting data Dan offers a solution for accessing data via an independent 3rd party When is a data request 'vexatious'? Hiding data vs

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51:02

17: Journals: Do we need them?

Everything Hertz ·

2016/06/22

Do we really need scientific journals? Some of the topics discussed: James trolling predatory journals with jibberish papers on the 'DONG' effect How do these spammy journal invitation emails actually work? Formal journals vs. preprint servers The shift to preprints in psychology Why do some journals forbid preprints? An article defending the big publishers How much does it really cost to have an online journal? What if the public funders were to set up thier own journals? What's the role of

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49:10

16: What makes a good psych study?

Everything Hertz ·

2016/06/15

What are the defining characteristics of a good psychology study? We received this excellent question from a listener and decided to do a whole episode on this idea. Some of the topics discussed: When’s the last time you saw a psych study that only reported a t-test? Dan and James’ new paper on worry and heart rate variability Skepticism towards studies with many variables and ‘novel’ statistical approaches (that tend to always provide marvellous results) Repeated measures ANOVAs vs. linear mixed

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45:27

15: Software and coding

Everything Hertz ·

2016/06/08

Dan and James discuss software and coding, including the tools they use Links (lots this week) Introduction to Python course - http://python.swaroopch.com //// R markdown - http://rmarkdown.rstudio.com //// GraphPad - http://www.graphpad.com //// JASP - https://jasp-stats.org //// Igor - https://www.wavemetrics.com/products/igorpro/igorpro.htm //// Canva - https://www.canva.com ////Omnifocus - https://www.omnigroup.com/omnifocus ////Slack - https://slack.com //// PsychoPy -

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194 results

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