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Dynamic Substantive Methods theorem (Barseghyan-2015) (view source)

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{{Theory
|Topic=Static vs. Dynamic Methods
|Theory Type=Descriptive
|Subject=
|Predicate=
|Title=Dynamic Substantive Methods theorem
|Theory TypeAlternate Titles=|Title Formula=|Text Formula=Descriptive
|Formulation Text=All substantive methods are necessarily dynamic.
|Formulation FileObject=Dynamic-substantive-methods-theorem-box-only.jpg|Topic=Static vs. Dynamic Methods
|Authors List=Hakob Barseghyan,
|Formulated Year=2015
|Formulation File=Dynamic-substantive-methods-theorem-box-only.jpg
|Description=A '''substantive method''' is one that presupposes at least one contingent proposition; one that depends on the state of something in the external world. According to our understanding of contingent propositions, all such propositions are '''fallible'''. As such, any substantive method will necessarily presuppose at least one contingent proposition, and is therefore fallible. Thus, by the '''synchronism of method rejection''' theorem, the rejection of a theory can result in the rejection of a method, rendering all substantive methods dynamic.
{{PrintDiagramFile|diagram fileResource=Dynamic-substantive-Barseghyan (2015)|Prehistory=Philosophers of science up until [[Karl Popper]] and [[Imre Lakatos]] typically believed that there was at least one element of the scientific mosaic immune to change. For most, this static element was believed to be a transhistorical scientific method. [[Thomas Kuhn]] and [[Paul Feyerabend]] were among the first in the philosophical canon to introduce the idea that methodsof science are dynamic, change through time, and that no logical core necessarily persists across major spans of time. Kuhn took a strongly historicist view of science, and insisted that the examination of the history of science shows that the method of theory acceptance can radically change for a community across a paradigm shift.jpg}}[[CiteRef::Andersen and Hepburn (2015)]]
This theorem explains why all substantive methods are necessarily dynamic. By definition all substantive methods contain at least one contingent proposition so they cannot be immune to change. Thusthe 1980s, from a conjunction most philosophers of science had accepted that many of: 1. fallibilism, namely the assumption that all propositions with empirical content [[Mechanism of Theory Acceptance|requirements for theory acceptance]] are by definition both contingent and therefore fallible, 2dynamic. The example of the premise that the rejection placebo effect was used as an example of how theories can lead induce [[Mechanism of Method Employment|change to the rejection requirements of methodsthe scientific method]] of a community. However, philosophers still hoped that there was a more abstract and 3fundamental set of static requirements consistent across scientific communities. the Synchronism For adherents to this belief, such as [[John Worrall]], this was typically argued to be a kind of Method Rejection Theorem (derived in turn from the Method Rejection Theorem and the Third Law), it follows that all substantive methods are necessarily dynamichypothetico-deductivism.
One example is the transition from the controlled trial method to the blind trial method The debate between Laudan and then to Worrall[[CiteRef::Laudan (1984a)]][[CiteRef::Worrall (1988)]][[CiteRef::Laudan (1989a)]][[CiteRef::Worrall (1989)]] elucidated the double blind trial methoddistinction between two questions about dynamic methods. Blind trials were introduced as The first was an implementation of the more abstract method that required to account for the placebo effect on patients when testing drugs. Once the placebo effect became known, the method empirical question: Have there been any methods which have not changed. through history? And aftersecond, when it became known that the experimenter's bias also had a role on patients when testing drugstheoretical question: Are there any methods which are, the method changed once morein principle, from blind immune to double-blind. Another example is the transition from the Aristotelian-Medieval Method to the Hypothetico-Deductive Method. While in the former it was assumed change? Both Worrall and Laudan agreed that there was an essential difference between natural and artificialexist [[Substantive Method|substantive methods]], which shaped by contingent propositions about the world and that therefore not static. If theories about the results of experimentsworld are to change, being artificialthen so should these methods. However, were not Laudan held that no methods have ever been [[Procedural Method|procedural]] — shaped by only necessary propositions and therefore immune to be trusted when trying to grasp the essence of thingschange — whereas Worrall contented that certain methods, in both the Cartesian and Newtonian worldviews such a distinction was not assumed and therefore experiments could be as reliable as observations when trying to understand the world. Once the theories changed (from the natural/artifical distinction to no such distinction) the methods changed too (from nohypothetico-experiments to deductive method, are in fact procedural and historically have formed the experimental method)base of scientific reasoning.|ResourceHistory=Barseghyan (2015)
|Page Status=Needs Editing
|Editor Notes=
}}
{{Theory Example
|Title=Blind Trial Methods
|Description=One example is the transition from the controlled trial method to the blind trial method and then to the double blind trial method. Blind trials were introduced as an implementation of the more abstract method that required to account for the placebo effect on patients when testing drugs. Once the placebo effect became known, the method changed. And after, when it became known that the experimenter's bias also had a role on patients when testing drugs, the method changed once more, from blind to double-blind.
|Example Type=Historical
}}
{{Theory Example
|Title=Aristotelian-Medieval Method to Hypothetico-Deductive Method
|Description=Another example is the transition from the Aristotelian-Medieval Method to the Hypothetico-Deductive Method. While in the former it was assumed that there was an essential difference between natural and artificial, and that therefore the results of experiments, being artificial, were not to be trusted when trying to grasp the essence of things, in both the Cartesian and Newtonian worldviews such a distinction was not assumed and therefore experiments could be as reliable as observations when trying to understand the world. Once the theories changed (from the natural/artificial distinction to no such distinction) the methods changed too (from no-experiments to the experimental method).
|Example Type=Historical
}}
{{Acceptance Record
|Acceptance Indicators=The theorem became ''de facto'' accepted by the community at that time together with the whole [[The Theory of Scientific Change|theory of scientific change]].
|Still Accepted=Yes
|Accepted Until Era=
|Accepted Until Year=
|Accepted Until Month=
|Accepted Until Day=
|Accepted Until Approximate=No
|Rejection Indicators=
}}
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