• Being imperfect in perfect academia

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    It was with great pleasure that I listened to the wonderful podcast by The Black Goat (http://www.theblackgoatpodcast.com; Twitter: @blackgoatpod) about impostor syndrome in academia. I commend the contributors to this podcast (Simine Vazire, Alexa Tullett and Sanjay Srivastava) for having the courage to discuss this much-shied-away-from topic as well as...

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  • The genetics of major depression remain elusive

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    A commentary by Eiko Fried, Sophie van der Sluis and myself in response to an editorial in Nature about the Cai et al. CONVERGE results on the genetics of major depression.  A recent study published in Nature by the CONVERGE consortium (1) identified two Single Nucleotide Polymorphisms (SNPs) for Major Depressive Disorder...

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  • Hidden multiplicity in multiway ANOVA

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    Last week I've submitted a paper (written with EJ Wagenmakers) entitled "Hidden multiplicity in exploratory multiway ANOVA: Prevalence and remedies". In a nutshell, we argue that without a-priori hypotheses, using a multiway ANOVA becomes an exploratory expedition in which the family of hypotheses comprises all hypotheses subject to test; and...

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  • Is it not sexism when words are not echoed in actions?

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    Were the comments of Tim Hunt about women in science labs appalling? Most certainly so. Was it justified to make him resign from his position at UCL and dismiss him from various committees? I tend to think so although these consequences would have, and should have in my opinion, been...

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  • Piece in Volkskrant about our recent paper in PNAS

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    Here's a piece in the Dutch paper Volkskrant about our just online published paper in PNAS. Using time series of autorecorded mood, we show that indicators of slowing down are also predictive of future transitions in depression. Specifically, in persons who are more likely to have a future transition, mood dynamics are...

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  • Paper on hidden multiplicity in multiway ANOVA

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    I just submitted a paper on hidden multiplicity (i.e., a problem of multiple comparisons) in multiway ANOVA. In brief, when a researcher uses a multiway ANOVA without specifying hypotheses a priori, we argue that this researcher is in what Adriaan de Groot (1969) called the "guess" phase of the empirical...

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