Posts Tagged ‘Science’

What do you look for (part two)?

January 2, 2013

Having expounded in my previous post what kind of person I look for, when serving on the search committee for a tenure-track hire, now it is time to list the criteria that I adopt to try and spot my ideal candidate, as I go through application packages (APs).

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What do you look for (part one) ?

December 30, 2012

I am a faculty member in a university physics department, who finds himself periodically involved in faculty searches and hires. How do I evaluate the curriculum vitae of an applicant for a tenure-track position?
What do I look for, and what are the red flags? Does it really boil down to counting (first-authored) articles, impact factor of journals where they were published, citations, invited talks, or maybe places where and individuals by whom the applicant has been mentored, as a student and postdoctoral associate?
Do I even look at the research plan? If so, how do I judge it?
What about teaching potential and/or experience?

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Binomial distributions and multiple choice tests

October 24, 2012

Readers of my blog know that I generally regard multiple choice tests (MCTs) as an adequate tool to assess student knowledge of, and proficiency with, a given set of topics. I have written about this subject here and here.

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Who’s really obsessed with Impact Factor ?

September 19, 2012

What brings more prestige to a scientist, an article which receives hundreds of citations, even if published on a relatively minor, or even obscure journal, or one that is published on a high profile, glamorous publication with a high Impact Factor (IF), but whose citation record is modest ? Most scientists, I believe, would answer such a question by expressing their preference for a publication that is highly cited.

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In praise of failure

September 10, 2012

“In 2004, Kim and Chan (KC) carried out torsional oscillator (TO) measurements of solid helium confined in porous Vycor glass and found an abrupt drop in the resonant period below 200 mK. The period drop was interpreted as probable experimental evidence of nonclassical rotational inertia (NCRI). This experiment sparked considerable activities in the studies of superfluidity in solid helium”.

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Online notes

August 5, 2012

Why do students who take courses with me (but colleagues tell me of similar experiences) routinely insist that I scan and post online my very own notes, the hard-to-read, disorganized and sketchy gibberish that I use for lecturing, whereas if I post a neatly put together summary of the basic concepts and formulae — typically after painstakingly making slides, drawings and animations — I am invariably told that “that stuff is useless” ?

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Instructional technology and college education

June 30, 2012

In this op-ed on the New York Times, Jeff Solingo, editorial director of the Chronicle of Higher Education points to a few concrete, urgent actions that universities and colleges across North America should take, in order to weather the financial crisis affecting institutions of higher education.

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IF versus EF

June 15, 2012

I have only recently become aware of the existence of the Eigenfactor (EF). It is a proposed measure of the overall influence, impact, prestige of a scholarly journal in its own discipline, or field. The one and only measure with which I was familiar is the well-known Impact Factor (IF), which is actually fairly straightforward to understand. By contrast, the eigenfactor is determined through a rather complex procedure (I am not going to discuss its computation in this post — for details, see here).

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Falsehood perishes… eventually

June 2, 2012

The damage that falsehood can do, if unchallenged and/or perpetuated over a period of time, can be considerable, often long lasting, both to individuals (for whom it is typically permanent — ask anyone wrongly convicted of a crime that they did not commit) and to humankind as a whole. For this reason, it seems a good idea to have procedures in place not only to spot it, but also to expose and debunk falsehood swiftly and effectively, before it spreads.
There exist circumstances in which falsehood acquires a pernicious resilience, even in the absence of a concerted effort on the part of anyone to preserve it. All that is needed is a sufficiently robust system of perverse incentives, which may come about for whatever reason and prove surprisingly hard to die.

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Official endorsement

May 27, 2012

Nope, sorry, this is not a post about politics, there are no upcoming elections anyway. I am writing in frustration, after checking once again on the web the status of a manuscript that I have submitted for publication over two months ago, to find out that it is still under review, ostensibly in the virtual hands of an unresponsive referee.

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