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Re: science for all?

It is not on the web. You can get it from his book "Science Teaching and
the Development of Thinking". It is in appendix F as I recall. You might
be able to get a slightly higher level version of it from the author, or
there may be a published version in one of his papers. There are several
versions of his test that I have seen. The one from his book is a pure
paper and pencil test, but some of the others require physical
demonstrations. There is also a similar test which is used by the Modeling
people, but it has removed some questions and added some others, so it is
only roughly comparable. I advocate using the test from his book so that we
can compare the results.

It is more reliable than a simple multiple choice because the student must
both answer correctly and provide a valid reason for the answer. Some
questions do not require a reason, and in some cases the calculation
provides the reason.

If you do use his test, I would be interested in seeing your results.
Perhaps we could gather enough data to answer some of the questions I
raised.

John M. Clement
Houston, TX

Is "Lawson's Classroom Test of Scientific Thinking" available for
institutional use?

Where might it be viewed?



At 2:52 PM -0600 on 12/23/01, John Clement wrote
That is a very good question, and I suspect that the answer
varies according
to the school and the type of class. The only way to find out is to give
them a test such as Lawson's Classroom Test of Scientific
Thinking when they
enter.

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