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Month: May 2017

From NHST to the New Statistics — How do we get there?

Posted on by Bob C-J Posted in NHST, Open Science, Teaching, The New Statistics — No Comments ↓

APS just wrapped up.  Geoff and I were privileges to help host a symposium on making progress moving the field away from p values towards the New Statistics.  Our co-conspirators were fellow text-book author Susan Nolan, Psychological Science editor Stephen…

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Getting the whole story: journals could be more encouraging

Posted on by Bob C-J Posted in Open Science, Replication — No Comments ↓

Even though replication is a cornerstone of the scientific method, psychology journals rarely publish direct replications (though that situation may be changing).  Why not?  Is it self-censorship, with authors not bothering to conduct or submit such studies?  Or is it…

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from the APS Convention in Boston

Posted on by Geoff Cumming Posted in ITNS, Open Science, Teaching, The New Statistics — No Comments ↓

Bob and I are in Boston this weekend for the annual APS Convention. It’s great to catch up, and discuss a million things about ITNS and this blog, and our future plans. Our publisher told us yesterday that early signs…

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Confirmatory Research – A special issue of JESP

Posted on by Bob C-J Posted in Open Science, Replication — No Comments ↓

Catching up a bit, but in November of 2016 the Journal of Experimental Social Psychology published a special issue dedicated just to confirmatory research.  http://www.sciencedirect.com.proxy.cc.uic.edu/science/journal/00221031/67/supp/C The whole issue is well-worth reading: There is  an excellent guide to pre-registration (ostensibly for…

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A cool new journal is Open

Posted on by Geoff Cumming Posted in Open Science, Replication — No Comments ↓

APS (The Association for Psychological Science) recently launched its sixth journal: Advances in Methods and Practices in Psychological Science. A dreadful mouthful of a title–why not drop ‘Advances in’ for a start–but it looks highly promising. Maybe it will become…

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Publishing unexpected results as a moral obligation for scientists

Posted on by Bob C-J Posted in Open Science — No Comments ↓

Amen! A revised European Code of Conduct for Research Integrity now specifically calls on researchers and publishers to not bury negative results.  Specifically, the guidelines formulate this principle for publication and dissemination: Authors and publishers consider negative results to be…

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What the datasaurus tells us: Data pictures are cool

Posted on by Geoff Cumming Posted in Statistical graphics — No Comments ↓

In various places in ITNS, especially Chapter 11 (Correlation) we discuss how important it is to make good pictures of data, to reveal what’s really going on. Calculating a few summary statistics–or even CIs–often just doesn’t do the job. Many…

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Now for some good news: SIPS

Posted on by Geoff Cumming Posted in Open Science, Stats tools — No Comments ↓

The Society for the Improvement of Psychological Science (SIPS) held its first meeting last year, with around 100 good folks attending. Working groups have been–would you believe–working hard since then. The second meeting is 30 July to 1 August, in…

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Methodological awakening: backlash against the backlash

Posted on by Bob C-J Posted in Open Science, Replication — No Comments ↓

Science has had some rough times lately, no doubt.  No need to rehearse the many findings indicating that we have some problems that need a fixing.  As Will Gervais put it, we’re in the midst of a “methodological awakening”.  The…

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Replication problems are not competence problems

Posted on by Bob C-J Posted in Replication — No Comments ↓

Why do some replication studies fail to produce the expected results?  There are lots of possible reasons: the expectation might have been poorly founded, the replication study could have been under-powered, there could be some unknown moderator, etc.  Sure, but…

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