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[Xmca-l] Re: Leontyev's activities
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- Subject: [Xmca-l] Re: Leontyev's activities
- From: Martin Packer <firstname.lastname@example.org>
- Date: Thu, 8 Aug 2013 21:16:22 -0400
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Bridgman, yes. But what are defined operationally are variables - defined in terms of their measurement operations - not entities, such as a molecule. In Einsteinian physics durations and lengths are precisely defined in terms of observations of clocks and rulers.
On Aug 8, 2013, at 8:59 PM, Andy Blunden <firstname.lastname@example.org> wrote:
> So far as I know we are indebted to Percy Bridgman for the idea of the requirement of "opeational definition" of concepts.
> If you search for "operation" in Einstein's reply to criticisms (from Bridgman):
> I think this is a view which the Marxist Leontyev would agree with.
> Molecules existed in chemical and physical theory long before one could speak of an "operational definition" of a molecule.
> Huw Lloyd wrote:
>> On 9 August 2013 00:26, Martin Packer <email@example.com> wrote:
>>> I dont know how literally you're using the term, but the notion of
>>> "operational definition" is very much part of theory of science of logical
>>> positivism. I don't think you're going to find much of that in Leontyev.
>> I mean simply how the experimental paradigm(s) reflects the concept.
>> Seems odd to eschew a phrase that yields additional ways of knowing, e.g.
>> a working definition, a test based definition, conceptual, etc.