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53 posts · 40,397 views

Mixture of reviews of science papers, personal views on academic matters, book reviews

Dorothy Bishop
53 posts

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  • May 11, 2014
  • 05:52 AM
  • 269 views

Changing the landscape of psychiatric research

by Dorothy Bishop in bishopblog

NIMH has expressed dissatisfaction with psychiatric categories as embodied in DSM5 and is focused on a new approach that aims to understand mental illnesses in terms of genes and neural circuits. I have reservations about whether this approach will live up to expectations.... Read more »

  • March 20, 2014
  • 05:00 PM
  • 274 views

My thoughts on the dyslexia debate

by Dorothy Bishop in bishopblog

Elliott and Grigorenko have argued that dyslexia is not a meaningful category, and that the label should be abandoned because it just leads to unfairness and woolly thinking. I put this debate into the wider context of psychiatric diagnosis and argue we need to consider not just scientific evidence, but also how labels affect our judgements of who is deserving of help, and who is responsible for giving it.... Read more »

  • February 17, 2014
  • 07:13 AM
  • 371 views

Parent talk and child language

by Dorothy Bishop in bishopblog

Several studies have reported associations between the amount parents talk to their infants and subsequent language development. It is almost always assumed that this reflects a causal relationship and that children's language outcomes can be improved by encouraging parents to talk more to their babies and toddlers.
I argue here that other reasons for the association need to be considered. In particular, there is ample evidence that the association may in part reflect shared genetic risks........ Read more »

  • January 25, 2014
  • 02:25 PM
  • 360 views

What is educational neuroscience?

by Dorothy Bishop in bishopblog

Sixteen years ago, John Bruer questioned whether neuroscience had application to education. His words have not, however, been heeded, and
educational neuroscience has become a fashionable sub-specialty of neuroscience. I consider whether this is justified... Read more »

  • January 12, 2014
  • 12:00 PM
  • 265 views

Why does so much research go unpublished?

by Dorothy Bishop in bishopblog

It's been estimated that as much as 85% of funded research is never published. Sometimes it doesn't get done because gremlins get in the way, but often completed research is still not written up. I discuss three reasons for this and suggest solutions that researchers, funders and journals could adopt.... Read more »

Chan, A., Song, F., Vickers, A., Jefferson, T., Dickersin, K., Gotzsche, P., Krumholz, H. M., Ghersi, D., & van der Worp, H. B. (2014) Increasing value and reducing waste: addressing inaccessible research. Lancet. info:/10.1016/S0140-6736(13)62296-5

  • January 9, 2014
  • 12:00 PM
  • 241 views

Of with the old and on with the new: pressures against cumulative research

by Dorothy Bishop in bishopblog

Systematic reviews are a vital resource to ensure that new research takes into account what has gone before. They are, however, undervalued. ... Read more »

Chalmers, Iain, Bracken, Michael B., Djulbegovic, Ben, Garattini, Silvio, Grant, Jonathan, Gülmezoglu, A. Metin, Howells, David W., Ioannidis, John P. A., & Oliver, Sandy. (2014) How to increase value and reduce waste when research priorities are set. Lancet. info:/10.1016/S0140-6736(13)62229-1

  • October 15, 2013
  • 02:37 AM
  • 345 views

The Matthew effect and REF2014

by Dorothy Bishop in bishopblog

UK universities are gearing up for REF2014, a nationwide evaluation of research quality, on the basis of which central funding will be determined. Before the funding formula is specified, we need a discussion about whether we should be focusing mainly on supporting elite institutions, or whether it would be preferable to distribute funds more widely.... Read more »

  • October 10, 2013
  • 11:49 AM
  • 329 views

On the need for responsible reporting by University Press Offices

by Dorothy Bishop in bishopblog

Yet another neuroscience study has been published with a misleading press release suggesting application to intervention in children with autism and related disorders. I argue that press releases should not mention a disorder unless the research involves that clinical group, and should put findings, rather than speculation, in headlines.... Read more »

  • October 5, 2013
  • 12:09 PM
  • 471 views

Good and bad news about the phonics screen

by Dorothy Bishop in bishopblog

The UK Government introduced a phonics screening test to be used with 6-year-olds in UK schools. Results for 2013 show higher levels of children doing well than in 2012. However, doubts about the accuracy of the data are raised by the weird distribution of scores, suggesting that teachers may have modified children's scores upward if they are close to the pass mark. ... Read more »

Butler, Susan R., Marsh, Herbert W., Sheppard, Marlene J., & Sheppard, John L. (1985) Seven-year longitudinal study of the early prediction of reading achievement. Journal of Educational Psychology, 349-361. DOI: 10.1037//0022-0663.77.3.349  

  • September 27, 2013
  • 02:38 AM
  • 420 views

Raising Awareness of Language Learning Impairment (RALLI)

by Dorothy Bishop in bishopblog

The RALLI campaign was started in order to ensure that impartial, evidence-based information about language disorders in children was freely available on the internet.
An index of the videos and other materials generated over the past 18 months is provided here.... Read more »

Bishop, Dorothy V. M., Clark, Becky, Conti-Ramsden, Gina, Norbury, Courtenay Frazier, & Snowling, Margaret J. (2012) RALLI: An internet campaign for raising awareness of language learning impairments. Child Language Teaching , 28(3), 259-262. DOI: 10.1177/0265659012459467  

  • September 12, 2013
  • 12:00 PM
  • 387 views

Evaluate, evaluate, evaluate

by Dorothy Bishop in bishopblog

Early career scientists often imagine that senior academics are able to spend much of their time doing research. The reality is that an increasing proportion of time is taken up with evaluation: reviewing papers and grants, writing references, examining theses, etc.... Read more »

Fogelholm, Mikael, Leppinen, Saara, Auvinen, Anssi, Raitanen, Jani, Nuutinen, Anu, & Väänänen, Kalervo. (2012) Panel discussion does not improve reliability of peer review for medical research grant proposals. Journal of Clinical Epidemiology, 65(1), 47-52. DOI: 10.1016/j.jclinepi.2011.05.001  

  • August 11, 2013
  • 09:19 AM
  • 530 views

The arcuate fasciculus and word learning: a critique

by Dorothy Bishop in bishopblog

In July 2013, López-Barroso et al published a paper in the Proceedings of the National Academy of Sciences claiming that structural and functional measures of the left arcuate fasciculus predicted word learning ability. I present a critique of this study, and of the media coverage of its implications... Read more »

López-Barroso D, Catani M, Ripollés P, Dell'acqua F, Rodríguez-Fornells A, & de Diego-Balaguer R. (2013) Word learning is mediated by the left arcuate fasciculus. Proceedings of the National Academy of Sciences of the United States of America, 110(32), 13168-73. PMID: 23884655  

  • July 26, 2013
  • 10:30 AM
  • 512 views

Why we need pre-registration

by Dorothy Bishop in bishopblog

There has been a chorus of disapproval this week at the suggestion that researchers should 'pre-register' their studies with journals and spell out in advance the methods and analyses that they plan to do. Those who wish to follow the debate should look at this critique by Sophie Scott, with associated comments, and the responses to it collated by Pete Etchells. They should also read the explanation of the pre-registration proposals and FAQ by Chris Chambers.
Quite simply, pre-regist........ Read more »

  • June 16, 2013
  • 09:15 AM
  • 531 views

Over-hyped genetic findings: the case of dyslexia

by Dorothy Bishop in bishopblog

A press release by Yale University Press Office claimed that "A new study of the genetic origins of dyslexia and other learning disabilities could allow for earlier diagnoses and more successful interventions, according to researchers at Yale School of Medicine. Many students now are not diagnosed until high school, at which point treatments are less effective." The account by the Press Office is hard to square with the abstract of the paper, which makes no mention of early diagnosis o........ Read more »

Powers, N., Eicher, J., Butter, F., Kong, Y., Miller, L., Ring, S., Mann, M., & Gruen, J. (2013) Alleles of a Polymorphic ETV6 Binding Site in DCDC2 Confer Risk of Reading and Language Impairment. The American Journal of Human Genetics. DOI: 10.1016/j.ajhg.2013.05.008  

  • June 7, 2013
  • 03:31 AM
  • 821 views

Interpreting unexpected significant results

by Dorothy Bishop in bishopblog

What should you do if you run an ANOVA and get a significant result you did not anticipate?
a) Describe this as my main effect of interest, revising my hypothesis to argue for a site-specific sex effect
b) Describe the result as an exploratory finding in need of replication
c) Ignore the result as it was not predicted and is likely to be a false positive
In this post I discuss how unexpected results are very likely to arise by chance, especially in designs with 3 or more factors. The scient........ Read more »

Simmons, Joseph P., Nelson, Leif D., & Simonsohn, Uri. (2011) False-positive psychology. Psychological Science, 1359-1366. DOI: 10.1037/e636412012-001  

  • May 15, 2013
  • 09:47 AM
  • 1,400 views

Have we become slower and dumber?

by Dorothy Bishop in bishopblog

Guest post by Patrick Rabbitt, commenting on an article that claimed that simple reaction time is slower now than in the Victorian era. Mundane differences in equipment sensitivity may be responsible... Read more »

Michael A. Woodley, Jan te Nijenhuis, & Raegan Murphy. (2013) Were the Victorians cleverer than us? The decline in general intelligence estimated from a meta-analysis of the slowing of simple reaction time. Intelligence. info:/http://dx.doi.org/10.1016/j.intell.2013.04.006

  • April 5, 2013
  • 08:59 AM
  • 748 views

A short rant about numbered references

by Dorothy Bishop in bishopblog

I find the numbered (Vancouver) referencing system adopted by many journals very irritating, and I explain why.... Read more »

  • March 21, 2013
  • 10:00 AM
  • 602 views

Blogging as post-publication peer review: reasonable or unfair?

by Dorothy Bishop in bishopblog

In a previous blogpost, I criticized a recent paper claiming that playing action video games improved reading in dyslexics. In a series of comments below the blogpost, two of the authors have responded to my criticisms. I thank them for taking the trouble to spell out their views and giving readers the opportunity to see another point of view. I am, however, not persuaded by their arguments, which make two main points. First, that their study was not methodologically weak and so Current Biology ........ Read more »

Ioannidis JP, Pereira TV, & Horwitz RI. (2013) Emergence of large treatment effects from small trials--reply. JAMA : the journal of the American Medical Association, 309(8), 768-9. PMID: 23443435  

  • March 10, 2013
  • 07:00 AM
  • 771 views

High-impact journals: where newsworthiness trumps methodology

by Dorothy Bishop in bishopblog

Because it is hard to get a paper published in a high-impact journal, it is often assumed that such papers are of particularly high quality. In practice, however, these journals focus more on newsworthiness of findings than methodological rigour, and, as Tressoldi et al (2013) have shown, their standards of statistical reporting can be low. This point is illustrated by a recent paper in Current Biology entitled "Action video games make dyslexic children read better." This study was ser........ Read more »

Tressoldi, P., Giofré, D., Sella, F., & Cumming, G. (2013) High Impact . PLoS ONE, 8(2). DOI: 10.1371/journal.pone.0056180  

  • February 9, 2013
  • 06:40 AM
  • 632 views

Postgraduate education: Time for a rethink

by Dorothy Bishop in bishopblog

According to Lindley and Machin (2012) "It is very clear that the individuals who have done better in terms of wages are those who have acquired higher education qualifications. In turn, the acquisition of higher qualifications has become more skewed towards people from wealthier backgrounds." This issue was highlighted last month when a potential student sued an Oxford college who refused him admission because he did not have sufficient funds to meet their cost of living requirement. ........ Read more »

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