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Topic: Falsifiability

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  Falsifiability - Wikipedia, the free encyclopedia
Falsifiability is an important concept in the philosophy of science that amounts to the principle that a proposition or theory cannot be considered scientific if it does not admit the possibility of being shown false.
Falsified theories are to be replaced by theories which can account for the phenomena which falsified the prior theory, that is, with greater explanatory power.
Falsifiability was one of the criteria used by Judge William Overton to determine that 'creation science' was not scientific and should not be taught in Arkansas public schools.
en.wikipedia.org /wiki/Falsifiability   (3508 words)

 Falsifiability   (Site not responding. Last check: 2007-10-22)
Falsifiability is an essential concept in the philosophy of science.
Ayer, theism isn't falsifiable; since God is typically alleged to be a transcendental being, beyond the realm of the observable, claims about the existence of God can neither be supported nor be undermined by observation.
Isaac Newton's original laws of motion in their original form were falsified by experiments in the twentieth century, and replaced by more exact theories that hold under more conditions (though Newton's theories are still close enough to be used practically without the modern updates).
www.termsdefined.net /fa/falsifiability.html   (1344 words)

 Kids.net.au - Encyclopedia Falsifiability -   (Site not responding. Last check: 2007-10-22)
Critics of analytic positivism[?] have pointed the inconvenient fact that this statement is not falsifiable.
Ayer, theism is not falsifiable; since God is typically alleged to be a transcendental being, beyond the realm of the observable, claims about the existence of God can neither be supported nor be undermined by observation.
Logical empiricists like Ayer have held that claims about morality (such as "murder is evil" and "John was wrong to steal that money") are also not falsifiable and not part of scientific inquiry; their function in language is not even to state facts, on Ayer's view, but simply to express certain moral sentiments.
www.kidsseek.com /encyclopedia-wiki/fa/Falsifiability   (1123 words)

 Wikinfo | Falsifiability   (Site not responding. Last check: 2007-10-22)
Falsifiability is an important concept in the philosophy of science.
For an assertion to be falsifiable, in principle it must be possible to make an observation or do a physical experiment that would show the assertion to be false.
Isaac Newton's original laws of motion in their original form were falsified by experiments in the twentieth century, and replaced by more exact theories that hold under broader conditions (though Newton's theories are still close enough to be used practically without the modern updates).
www.wikinfo.org /wiki.php?title=Falsifiability   (2451 words)

The theory is invalid because it is not falsifiable.
While scientific theories need both falsifiability and a preponderance of evidence to be seen as strong, they only need the falsifiable part to be seen as a proper theory.
All falsifiability says, is that for a theory to fall in the realms of science, there must be a way to show it false.
www.geocities.com /~gaiachurch/falsify.html   (2229 words)

 Falsifiability   (Site not responding. Last check: 2007-10-22)
Lack of falsifiability was also, to some degree, a problem even in the relatively noncontroversial...
The first is its degree of falsifiability, that is, the proportion of logically conceivable empirical outcomes...
Yet, a high degree of falsifiability is obviously not the only hallmark of a good theory.
www.hallencyclopedia.com /Falsifiability   (3267 words)

 Karl Popper - Wikipedia, the free encyclopedia
Popper is perhaps best known for repudiating the classical observationalist-inductivist account of scientific method by advancing empirical falsifiability as the criterion for distinguishing scientific theory from non-science; and for his vigorous defense of liberal democracy and the principles of social criticism which he took to make the flourishing of the "open society" possible.
It also inspired him to take falsifiability as his criterion of demarcation between what is and is not genuinely scientific: a theory should be considered scientific if and only if it is falsifiable.
An example of this is given by the discovery of the planet Neptune: when the motion of Uranus was found not to match the predictions of Newton's laws, the theory "There are seven planets in the solar system" was rejected, and not Newton's laws themselves.
en.wikipedia.org /wiki/Karl_Popper   (3013 words)

 IPT Journal - "A Paradigm Shift for Expert Witnesses"
This represents the first meaning of term "falsifiable." Subsequent research predicated on germ theory and other medical advances eventually proved blood letting to be a false cure, thus showing the theory was demonstrably falsifiable-the second meaning of the term.
An area where the principle of falsifiability, testability, and degree of error may have a major impact is in the kind of testimony frequently offered by the prosecution in child sexual abuse cases.
Faced with the massive weight of over 60 years of research that falsifies the concept of repression, a reasonable judge must rule that testimony based upon the concept is not scientific, cannot be relevant or helpful to the finder of fact, and therefore, it is not admissible.
www.ipt-forensics.com /journal/volume5/j5_3_2.htm   (7298 words)

 Karl Popper
For while falsifiability is simple as a logical principle, in practice it is exceedingly complicated - no single observation can ever be taken to falsify a theory, for there is always the possibility (a) that the observation itself is mistaken, or (b) that the assumed background knowledge is faulty or defective.
For this reason Popper restricted himself to the contention that a theory which is falsified is false and is known to be such, and that a theory which replaces a falsified theory (because it has a higher empirical content than the latter, and explains what has falsified it) is a ‘better theory’ than its predecessor.
They are falsified, if at all, Lakatos argues, not by Popperian critical tests, but rather within the elaborate context of the research programmes associated with them gradually grinding to a halt, with the result that an ever-widening gap opens up between the facts to be explained, and the research programmes themselves.
plato.stanford.edu /entries/popper   (8225 words)

Falsifiability is one of the topics in focus at Global Oneness.
A non falsifiable statement would be, "There is a green lizard sitting in a rocking chair on the fourth largest moon of Jupiter." This statement is not falsifiable in that it cannot be proven false because it cannot be verified or denied.
Falsifiability, generally, is a test of the validity of a belief or occurrence.
www.experiencefestival.com /falsifiability   (275 words)

 caro thinks: Falsifiability
People who subscribe to a genuinely falsifiable idea will always say "yes." That doesn't mean that they think their theory is _false_; if they did, it wouldn't be their theory.
Falsifiability comes into play when the defender of the theory would be unwilling to give up the theory no matter _what_ evidence, real or imagined, is suggested, and is willing to change even the meanings of the terms in order to make the evidence fit the theory.
If evolutionary theory is falsifiable, then we'd have to say, yes, that would count as evidence that the theory wasn't true; and if we got enough evidence like that, we'd say the theory wasn't true.
supersaturated.com /journal/caro/2001_05_07:15:34Falsifiability.html   (976 words)

 Ceteris paribus Clauses, Closure Clauses and Falsifiability
Universal correlations are obviously falsified by merely one counterinstance.
To be able to maintain that the existence of closure clauses seriously affects Popper's falsifiability principle, one has to show that there are closure clauses which are not singular existential statements in Popper's sense.
This statement is not falsified by the statement 'The temperature has risen but the length of the solid rod is the same'.
hem.passagen.se /ijohansson/physics1.htm   (3102 words)

 Falsifiability - CreationWiki   (Site not responding. Last check: 2007-10-22)
Falsifiable means that something is capable of being tested (verified or falsified) by experiment or observation.
Ideas that are falsifiable but not falsified are capable of being tested, have been tested, and have passed the test.
Thus, the purpose of science is to devise experiments which bring ideas out of the ambiguous realm of the "Unfalsifiable," to be classified as either "falsifiable but not falsified" (to be tentatively accepted as true) or "false" (To be rejected).
www.nwcreation.net /wiki/index.php?title=Falsifiability   (1645 words)

 Critical Thinking Field Guide (Skeptical Inquirer Winter 1990)
The rule of falsifiability is a guarantee that if the claim is false, the evidence will prove it false; and if the claim is true, the evidence will not disprove it (in which case the claim can be tentatively accepted as true until such time as evidence is brought forth that does disprove it).
The rule of falsifiability, in short, says that the evidence must matter, and as such it is the first and most important and most fundamental rule of evidential reasoning.
Similarly, the true claim that water freezes at 32° F is falsifiable; it would be falsified if water were to freeze at, say, 34° F. Each of these claims is firmly established as scientific "fact," and we do not expect either claim ever to be falsified; however, the point is that either could be.
www.csicop.org /si/9012/critical-thinking.html   (3557 words)

 Sir Karl Popper   (Site not responding. Last check: 2007-10-22)
Testability is falsifiability; but there are degrees of testability; some theories are more testable, more exposed to refutation, than others; they take, as it were, greater risks.
Thus the problem which I tried to solve by proposing the criterion of falsifiability was neither a problem of meaningfulness or significance, nor a problem of truth or acceptability.
It was the problem of drawing a line (as well as this can be done) between the statements, or systems of statements, of the empirical sciences, and all other statements-whether they are of a religious or of a metaphysical character, or simply pseudo-scientific.
cla.calpoly.edu /~fotoole/321.1/popper.html   (3600 words)

 Karl Popper's falsifiability theory re-examined: Philosophy Forums   (Site not responding. Last check: 2007-10-22)
And to falsify the proposition "there is a lost link..." is not by merely stating "there is not a lost link...".
For someone to be able to falsify a given theory, a lot of intellectual work is required in the process.
It is still a falsifiable belief, in that in theory you can find enough fossils and DNA evidence to prove that, say, humans and apes are not from the same evolutionary branch, or that the common ancestor is much further back than currently believed.
forums.philosophyforums.com /thread/18745   (4520 words)

 Science and Rationality   (Site not responding. Last check: 2007-10-22)
A proposition is then said to be falsifiable precisely when it is related to observation sentences in a special way: Proposition P is falsifiable if and only if P deductively implies at least one observation sentence O.
Although we now seem to have a difference between verification and falsification, it is important to notice that the argument falsifying T requires that we be able to assert that the auxiliary assumptions A are true.
In his philosophy of science, we find the curious thought that falsifiability, not verifiability, is the distinguishing mark of scientific theories; this means that, for Popper, one theory is better than another if it is more disprovable than the other.
home.comcast.net /~reillyjones/popper.html   (5770 words)

 Monday, 7/19   (Site not responding. Last check: 2007-10-22)
A claim is falsifiable if one is able to do an experiment or make an observation that renders that claim false.
Falsifiability is often used to determine whether or not something is scientific.
Science progresses, Popper believes, when one theory (Aristotelian cosmology) is falsified by another theory (Gallileo/ Copernican cosmology) which has greater explanatory power.
www.u.arizona.edu /~jenkinsm/071904.html   (564 words)

 Logical Fallacies, Formal and Informal   (Site not responding. Last check: 2007-10-22)
The concept of falsifiability is a greatly misunderstood but legitimate part of the scientific method (a rigorous application of reason to evidence).
To say a hypothesis is not falsifiable means that it cannot be proved (or disproved), and, therefore, is unacceptable as a scientific theory.
If some specific religion were falsifiable, it would mean that some sort of evidence could, in principle, be found that contradicted the religious version of events, which would then refute or disprove the religion.
www.freerepublic.com /focus/f-news/886472/posts   (5420 words)

 Falsifiability   (Site not responding. Last check: 2007-10-22)
An hypothesis does not have to be falsified to be scientific, but it must be testable (falsifiable).
Evolutionary Biology is the study of genetic changes in populations, thus a study cannot be falsified because it simply exists as does chemistry, physics or astronomy.
There are a number of evolutionary hypotheses that have been falsified and as a result have been rejected by the scientific community as supported by the evidence.
www.creationism.ws /falsif_iability.htm   (385 words)

 FALSIFIABILITY   (Site not responding. Last check: 2007-10-22)
  Falsifiability does not state that a theory must be shown to be false in order to be a good scientific theory, of course; it simply means that it must be possible for the theory to be false.
In addition, falsifiability comes in degrees; the more falsifiable a theory is, the better it is, according to Popper.
  That is, a theory becomes falsifiable if one agrees that there exist situations in which outcomes which are not logically deducible (in the strict sense) from the theory under test are sufficient to refute the theory which they are meant to test.
www.unc.edu /~nbearden/PSYC50/NOTES/FALSIFIABILITY.htm   (961 words)

 Re: Analytical Question #1: Falsifiability? -   (Site not responding. Last check: 2007-10-22)
However, there are several >situations and fields in which falsifiability and duplication >both seem inadequate, or at least inappropriate for use.
In my opinion, all of the examples you give qaulify as "science." I think you _may_ be confusing the concept of falsifiability with the desire to control all of the relevant independant variables in an experiment, leaving only one measurable dependent variable.
While the stock market cannot be predicted with accuracy, and the science of ecnomics has not yet been perfected to the degree of the sciences of physics or chemistry, that does not mean it is not a science.
www.virtuallystrange.net /ufo/updates/2000/dec/m07-017.shtml   (1444 words)

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