Editing Scientific Method

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The Scientific Method is a systematic way of learning about the world around us and answering questions. While many people think of it as a simple "step-by-step" list from a textbook, it is actually a rigorous philosophy of '''Empiricism'''—the idea that knowledge comes primarily from sensory experience. The core of the scientific method is the cycle of observation, hypothesis, testing, and refinement. Its most powerful feature is its "Self-Correcting" nature; science doesn't claim to have the absolute truth, but rather the "best explanation currently supported by the evidence."
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== <span style="color: #FFFFFF;">Remembering</span> ==
* '''Scientific Method''' — A method of procedure that has characterized natural science since the 17th century.
* '''Empiricism''' — The theory that all knowledge is derived from sense-experience.
* '''Hypothesis''' — A proposed explanation made on the basis of limited evidence as a starting point for further investigation.
* '''Theory''' — A well-substantiated explanation of some aspect of the natural world (e.g., The Theory of Gravity).
* '''Law''' — A statement based on repeated experimental observations that describes some aspect of the world (e.g., Newton's Laws).
* '''Falsifiability''' — The requirement that a scientific hypothesis must be able to be proven false (Developed by Karl Popper).
* '''Inductive Reasoning''' — Making broad generalizations from specific observations.
* '''Deductive Reasoning''' — Starting with a general statement and reaching a specific, logical conclusion.
* '''Variable''' — Any factor, trait, or condition that can exist in differing amounts or types.
* '''Control Group''' — The group in an experiment that does not receive the treatment (used for comparison).
* '''Double-Blind Study''' — An experiment where neither the participants nor the researchers know who is receiving the treatment.
* '''Peer Review''' — The evaluation of scientific work by others working in the same field.
* '''Paradigm Shift''' — A fundamental change in the basic concepts and experimental practices of a scientific discipline (Developed by Thomas Kuhn).
* '''Reproducibility''' — The ability of an entire experiment or study to be duplicated, either by the same researcher or by someone else.
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== <span style="color: #FFFFFF;">Understanding</span> ==
The Scientific Method is understood through '''Demarcation''' and '''Evolution'''.

'''1. The Demarcation Problem (Science vs. Pseudoscience)''':
How do we know if something is "Science"?
* '''Karl Popper''' argued that the key is '''Falsifiability'''. If a theory can explain "everything" (like Astrology), it isn't science. To be science, you must be able to say: "If this experiment fails, my theory is wrong."

'''2. The Logic of Discovery''':
* '''Induction''': I saw 100 white swans -> All swans are white. (Useful, but can be wrong).
* '''Deduction''': All birds have feathers; this is a bird -> This has feathers. (Always true if the premise is true).
Science uses '''Induction''' to create theories and '''Deduction''' to test them.

'''3. How Science Progresses''':
* '''Thomas Kuhn''' argued that science isn't a slow, steady climb. It's a series of "Quiet Periods" (Normal Science) interrupted by "Explosions" (Scientific Revolutions). When enough "Anomalies" (facts that don't fit the theory) build up, the old theory is thrown away for a new one (a '''Paradigm Shift''').

'''The Underdetermination of Theory''': This is the idea that the data we have is never enough to prove ''only one'' theory. There could always be another, weirder theory that also explains the data. This is why scientists prefer the "Simplest" explanation (Occam's Razor).
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== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'Falsification' Logic:'''
<syntaxhighlight lang="python">
def test_hypothesis(hypothesis_prediction, experimental_result):
    """
    Based on Karl Popper's logic.
    """
    if hypothesis_prediction == experimental_result:
        return "CORROBORATED: The theory survives to be tested another day."
    else:
        return "FALSIFIED: The theory is wrong. Time for a new hypothesis!"

# Theory: 'All water boils at 100C'
# Result: 'Water boils at 90C on a mountain'
print(test_hypothesis(100, 90))
# Science is the process of 'killing' bad ideas. 
# Only the strongest ideas survive.
</syntaxhighlight>

; Philosophy Landmarks
: '''The Vienna Circle''' → A group of 20th-century philosophers who argued that only "verifiable" statements are meaningful (Logical Positivism).
: '''Scientific Realism''' → The belief that the world described by science is "Real," even if we can't see things like atoms or quarks.
: '''Instrumentalism''' → The belief that theories are just "Tools" for prediction, and it doesn't matter if they are "True" as long as they work.
: '''Paul Feyerabend''' → A radical philosopher who argued that there is "No one method" and that "Anything goes" in the history of great discoveries.
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== <span style="color: #FFFFFF;">Analyzing</span> ==
{| class="wikitable"
|+ Hypothesis vs. Theory vs. Law
! Term !! Definition !! Confidence Level
|-
| Hypothesis || A testable 'Guess' || Low (Starting point)
|-
| Theory || A complex 'Explanation' of ''Why'' || High (The goal of science)
|-
| Law || A description of ''What'' happens || Very High (Mathematical)
|}

'''The Concept of "Theory-Ladenness"''': Can we ever see the world "objectively"? Philosophers argue that our observations are "Theory-Laden"—meaning what we see depends on what we already believe. If you don't know what a "Cell" is, you just see "spots" through a microscope. Analyzing the "Subjectivity" of the observer is a key task of modern philosophy of science.
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== <span style="color: #FFFFFF;">Evaluating</span> ==
Evaluating a scientific claim:
# '''Predictive Power''': Does the theory tell us something new about the future?
# '''Parsimony (Occam's Razor)''': Is there a simpler way to explain the data?
# '''Consilience''': Does the theory match what we know in other fields (e.g., does a biology theory match chemistry)?
# '''Replicability''': Can someone else do the same experiment and get the same result?
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== <span style="color: #FFFFFF;">Creating</span> ==
Future Frontiers:
# '''Citizen Science''': Breaking the "Method" out of the lab and involving millions of people in data collection.
# '''Open Science''': Making all data and code available to everyone instantly to speed up the self-correction process.
# '''Post-Empirical Science''': Dealing with theories (like String Theory) that are mathematically beautiful but currently impossible to test.
# '''The End of Theory''': The idea that AI might find "Patterns" in data that are so complex that no human "Theory" can ever explain them.

[[Category:Philosophy]]
[[Category:Science]]
[[Category:History]]
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