I wasn't going to post on this ... but couldn't resist. A recent QJEP paper reports suspicious patterns in p values across three psychology journals.This has been blogged elsewhere (see here and here), so I haven't got too much to add. Although I ...
I wasn't going to post on this ... but couldn't resist. A recent QJEP paper reports suspicious patterns in p values across three psychology journals. This has been blogged elsewhere (see here and here), so I haven't got too much to add. Although ...
... or to be more precise, what's up with experimental social psychology?A number of high profile cases of suspected (in some cases admitted) fraud have been highlighted in psychology recently - my own discipline - but they've (nearly all arisen in exp...
My serious stats book is officially published (in the UK at least). The US release date is next month (August 7th). I'm not sure why the release is later (possibly extra shipping time for the books). The earlier European release date is I suppose compe...
Andy Field just tweeted this: https://twitter.com/ProfAndyField/status/219757478018166784/photo/1Filed under: news, serious stats Tagged: text books
I've been thinking about p values quite a bit recently - prompted by a other bloggers and by some journal work. One interesting phenomenon in this area is the cliff effect: a supposed abrupt shift in researchers' confidence in an effect when moving fro...
In a previous post I showed how to plot difference-adjusted CIs for between-subjects (independent measures) ANOVA designs (see here). The rationale behind this kind of graphical display is introduced in Chapter 3 of Serious stats (and summarized in my earlier blog post). In a between-subjects – or in indeed in a within-subjects (repeated measures) – design […]
Neuroskeptic has just blogged on a new paper by Judd, Westfall and Kenny on Treating stimuli as a random factor in social psychology: A new and comprehensive solution to a pervasive but largely ignored problem. I can't access the original pap...
When starting out with R, getting data in and out can be a bit of a pain. It should take long to work out a convenient method – depending on what OS you use and what other packages you work with. In my case I prefer to work with Excel spreadsheets (which are versatile and […]
For an hour or so earlier today Serious Stats was #1 in the amazon.co.uk sales rank for the category: Books > Health, Family & Lifestyle > Psychology & Psychiatry > Methodology > Statistics As of writing the rank has dropped to #3 (but I’m still quite excited – even though I know this may not imply large numbers of pre-orders). They have also […]
