Einstein's Method: Deduction & Predictions of Unobservable Phenomena

  • Context: Graduate 
  • Thread starter Thread starter eok20
  • Start date Start date
  • Tags Tags
    Method
Click For Summary

Discussion Overview

The discussion revolves around Einstein's methodological approach to developing theories in physics, particularly the contrast between deduction and induction. Participants explore whether Einstein's reliance on postulates for theory formulation distinguishes him from other scientists who may have employed more inductive reasoning. The conversation touches on the implications of these methods for making predictions about unobservable phenomena such as time dilation and length contraction.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Meta-discussion

Main Points Raised

  • Some participants propose that Einstein's method of deducing theories from postulates is fundamentally different from the inductive approaches used by many other scientists.
  • Others argue that Einstein's approach is not qualitatively distinct and that many physicists also use inductive reasoning, suggesting that the distinction may be overstated.
  • A participant notes that the speed of light's constancy was experimentally established before Einstein's work, indicating that some of his predictions were grounded in existing experimental results.
  • Another participant emphasizes that Einstein's contributions involved restating existing theories, such as the Lorentz transformations, in a new framework based on simple postulates.
  • Some contributions highlight the importance of thinking and creativity in scientific methodology, suggesting that these qualities transcend the specific use of deduction or induction.
  • A later reply questions the focus on Einstein alone, proposing a comparison with other physicists like Bohr and Heisenberg to better understand the uniqueness of different scientific methods.
  • One participant discusses Popper's philosophy, suggesting that while Einstein's method can be seen as deductive, it does not imply that deduction is the superior approach for science.
  • Another point raised is that confirming phenomena like time dilation and length contraction involves demonstrating their consequences rather than proving their existence directly.

Areas of Agreement / Disagreement

Participants express differing views on the nature of Einstein's methodology, with no consensus reached on whether his approach is fundamentally different from that of other scientists. The discussion remains unresolved regarding the implications of deduction versus induction in scientific practice.

Contextual Notes

Some participants note that the definitions of induction and deduction may vary, which could influence interpretations of Einstein's methods. Additionally, the discussion highlights the complexity of attributing unique methodologies to individual scientists.

eok20
Messages
198
Reaction score
0
i am writing a paper and was wondering if its valid to say that einstein's method was very different from most other scientists in that he deduced theories from postulates whereas other scientists used induction more.

further, is this what allowed him to make predictions about things that have never been observed before (time dilation, length contraction, etc.)?

thanks.
 
Last edited:
Physics news on Phys.org
As far as I know the fact the speed of light is constant for all observers had already been experimentally shown before he started his theory. But he did predict a lot from theory that was later experimentally proved in GR.
 
I don't think Albert was qualitatively different from a large number of other physicists. If anything, he used induction more than most.
Only educators and philosophers of science think new theories arise deductively. The notion to look at the transformation of time was an inductive leap, unsupported by any previous theory.
Maybe we have different meanings for induction and deduction.
 
Meir Achuz said:
The notion to look at the transformation of time was an inductive leap, unsupported by any previous theory.
I am not sure what you mean by this. Lorentz and Poincare had the Lorentz transformations well before Einstein introduced relativity.

Einsteins contribution was to restate the work as coming from two simple postulates.
 
I would say the deduction vs induction mechanism is not what made Einstein differ from other scientists, it is just that he involked "thinking" more than most.
 
"Great spirits have always found violent opposition from mediocrities. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously uses his intelligence."

-Albert Einstein
 
Rade said:
I would say the deduction vs induction mechanism is not what made Einstein differ from other scientists, it is just that he involked "thinking" more than most.

Now, isn't thought the only form of induction and deduction?:biggrin: If one isn't thinking, what can one induct and deduct?
 
I think all this business about Einstein's method is too much focussed on Einstein alone. Why not contrast him with Bohr, or Heisenberg, or Feynmann? Or with some experimental physicist like Rutherford? How do all their methods differ, the one from the other? Was there anything noticably unique about Einstein's way?
 
eok20 said:
i am writing a paper and was wondering if its valid to say that einstein's method was very different from most other scientists in that he deduced theories from postulates whereas other scientists used induction more.

further, is this what allowed him to make predictions about things that have never been observed before (time dilation, length contraction, etc.)?

thanks.

All you are really saying is that there is a difference in point of view between theoretical physicists and experimental physicists. That has been true as long as there have been physicists. And why do you say that such things as time dilation and length contraction had never been observed before? They certainly had- they just hadn't been recognized as such. Dr. Einstein's orginal paper was written specifically to address experimental results- the null result of the Michaelson-Morley experiment.

Certainly, in his other great papers of 1905, Dr. Einstein, focused on specific experimental results, the photo-electric effect and Brownian motion.
 
  • #10
Reading Popper's autobiograhy, I think most people have misconceived what his philosophy of deductive reasoning was actually about.

Popper never stated that we always deduce our theories - he only said that the method of induction is no method for reliable knowledge.

Popper's idea was more like: we conjecture theories, in a trial & error way (one could say this is a process of induction, what Popper called dogmatic thinking). Then, we critically examine our theories. Popper focused on two aspects: falsificability/testability (one can think of counter-examples against my theory, and if these counter-examples ever turn out to exist, my theory is refuted), and information content (the more information content my theory has, the more concrete it is, and so, the more easily it is to find counter-examples).

Now, Popper used Einstein's method as an inspiration for his ideas. This is because Einstein stressed himself which counter-examples would refute his theory. So, yes, I think that Einstein was a clear example of deductive methodology.

(Which doesn't mean that deductive methodology is the best way for science... but in the battle induction vs deduction, I believe there is only one clear answer)
 
  • #11
When we support things such as time dilation and length contraction, what we are really proving is not the existence of these things, but instead we are proving the existence of their consequences, for example:

"If time dilation exists, then event X must happen under the circumstances of experiment E."

When event X happens under the circumstances of experiment E, time dilation is confirmed.

Another example is this:

"If the Big Bang Nucleosynthesis is true, then events X, Y, Z must happen under the circumstances of experimental procedure E with the use of instrument I."

Explanations are not the things we are observing, but they are "why's" as to why a certain event happened, is happening, or will happen. They are our under-lying understanding of these events, but they are not the events themselves.
 
Last edited:

Similar threads

  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 57 ·
2
Replies
57
Views
8K
  • · Replies 264 ·
9
Replies
264
Views
24K
  • · Replies 21 ·
Replies
21
Views
2K
  • · Replies 12 ·
Replies
12
Views
3K
  • · Replies 4 ·
Replies
4
Views
6K
  • Poll Poll
  • · Replies 35 ·
2
Replies
35
Views
6K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 34 ·
2
Replies
34
Views
4K
  • · Replies 140 ·
5
Replies
140
Views
14K