02 Feb 2018.Edmunds et al. accepted by Cognitive Science. Model-recovery simulations demonstrate serious shortcomings with the Decision Bound analysis methodology employed in hundreds of COVIS-supporting articles. Wide implications for dual-system accounts of category learning.
27 Jan 2018.Lea et al. accepted by Journal of Experimental Psychology: Animal Learning and Cognition. Exploration of conditions under which pigeons classify multidimensionally.
12 Jul 2017. Edmunds et al. accepted by Quarterly Journal of Experimental Psychology. Multiple failures to replicate Spiering and Ashby (2008, Psychological Science) with substantial Bayesian evidence for the null.
18 Apr 2017. Longman et al. accepted by Acta Psychologica.
31 Mar 2017. Wills et al. accepted by Journal of Applied Research in Memory and Cognition.
13 Feb 2017. My
Google Scholar citations exceed 1000.
23 Jan 2017. Wills et al. published in Psychology of Learning and Motivation, launches project for open science in formal modelling.
21 Jan 2017.
Google Scholar h-index reaches 18.
09 Nov 2016. Lawson et al. accepted by Acta Psychologica. Paper covers the free sorting of large sets of everyday objects and uses the freesortphi package.
12 Sep 2016. Is overall similarity classification less effortful than single-dimension classification? exceeds 10 Google Scholar citations.
27 Aug 2016. freesortphi version 0.1 released to R-Forge; freesortphi is an R package for Cramer's phi analyses of participant agreement in free sort data, including Monte Carlo calculations of chance levels.
27 Aug 2016. Prediction errors and attention in the presence and absence of feedback reaches 10 Google Scholar citations.
17 Aug 2016. catlearn version 0.3 released to CRAN; catlearn is an R package for formal models, classic datasets against which to test them, and an archive of simulations.
13 Aug 2016. My Google Scholar citations exceed 900 (~0.5 citations/day).
09 Aug 2016. Two Edmunds et al. papers published in CogSci2016 proceedings. (1) COVIS model accommodates Shepard et al. (1961). (2) Relationship between recognition memory and rule-based versus information-integration category learning.
03 Aug 2016. Hollins et al. ESRC grant application successful, will fund research on relationship between errors and learning.
27 July 2016. Milton et al. paper accepted at Journal of Cognitive Neuroscience; demonstrates dissociable brain areas for rule- and similarity-based generalization in a less confounded manner than previous work. A competing-systems interpretation is not mandatory, however :-)
21 July 2016. O'Connell et al. (2016) published online at Neuropsychology; reports striking finding that amnesics can be better at generalization than controls.
08 June 2016. Le Pelley et al. paper accepted at Psychological Bulletin. Extensive review of the relationship between attention and learning.
2 May 2016. Carpenter et al. paper accepted at Human Brain Mapping. Results of this fMRI study disconfirm the current formulation of the COVIS model.
2 May 2016. 500 citations on Google Scholar since 2011.
22 Feb 2016. New DAUs added to archive, including those for Exp. 1A and 1B of Wills et al. (2009). Over 20 trial-level raw data sets now available on this site.
8 Feb 2016. My Google Scholar h-index reaches 17.
15 Jan 2016. My Google Scholar citations reach 800.
29 Jun 2015. Maes et al. paper accepted at AnimalCognition. DAUs for this paper now available.
12 Jun 2015. My Google Scholar h-index reaches 16.
20 May 2015. Hogarth et al. paper accepted at Psychopharmacology.
26 Apr 2015. Wills, Inkster and Milton paper accepted at Cognitive Psychology. DAUs for this paper now available.
20 Mar 2015. R for Experimental Psychologists updated and now available as a single PDF.
9 February 2015. R for Experimental Psychologists updated (chapters 1, 3, and 7).
9 Dec 2014. Wills et al. (2014, NeuroImage) has been viewed or downloaded from Elsevier 493 times since publication.
28 November 2014. R for Experimental Psychologists updated (preproccesing chapter udpated; chapter on how to code clearly and efficiently added).
21 November 2014. R for Experimental Psychologists updated (simple 2x2 between-subjects ANOVA added)
14 November 2014. R for Experimental Psychologists updated (data pre-processing chapter expanded to include processing auto-generated raw data files (e.g. from MATLAB/Psychophysics Toolbox) to create a clear single long-format file for your experiment).
28 October 2014. New DAUs added to archive (EXE5-9, for Wills et al., 2013).
1 September 2014. New DAU added to archive (CAM2, for Wills 2002).
1 September 2014. R for Experimental Psychologists updated (mixed model added to ANOVA chapter).
26 August 2014. New DAU added to archive (CAM1, for Wills et al., 2000)
18 August 2014. New resources added to archive (NUS1, for Wills et al., 2011, E-prime scripts)
12 August 2014. Three papers published in Cognitive Science Society proceedings.
11 July 2014. Paper published in QJEP.
27 June 2014. My Google Scholar h-index reaches 15.
23 May 2014. Antony Overstall recently released a Bayesian contingency table analysis package for R
22 May 2014. Intro Stats Course. Emphasizes understanding, not SPSS button pressing. For psychologists.
21 May 2014. R for Experimental Psychologists. Short tutorial guides.