Friday, February 25, 2011

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Forgive me for being a slow learner, but I just realized that the famous "peer review", which seems to be a sacrosanct rule in science (let yet not afraid to question the rules, otherwise we will make measures, and not science!) puts scientists in a difficult position: they are both judges and parties!

other hand, it seems difficult to evaluate work by non-specialists, who may miss the benefit of the proposed work.

So what should we change?

- abandon the principle that there should not be judge and jury?
- abandon the trial by peers?

Since I posed the question, we often oppose the question "but how would you do differently?"

A question I hate, because it would block any thinking, inventiveness, to solve the problem.

Let us not intellectually lazy: spend a little time to search for feasible solutions!

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judges and parties three times to the attention of my teacher friends, the School at the University!

Weigh? It sounds simple, but is it really?
The answer is "yes" powerful, because it is a bias that I propose to consider everything as simple a priori.
But I'm not saying that everything can be learned just like that: it can take the application time. Weigh

be an exception to the rule? I think not.
And I urge all teachers to never allow a student to weigh only once, especially if
- the balance has not been checked recently
- we have not verified that the balance was checked
- we did not check the horizontality of the device, using the bubble level
- we have not tested a "secondary standard" of known mass

However, these checks being made, a single measure is insufficient because it is known that instruments are imprecise, and it takes at least three weighings of the same object (yes, it can be a liquid: The mass measurements are more accurate than volume measurements) to get an idea of the quality of the measurement.

other words, always weigh three times!