Test Theory

In experimental physics, a test theory tells experimenters how to perform particular comparisons between specific theories or classes of theory.

Without a good reference test theory, these experiments can be difficult to construct. Different theories often define relationships and parameters in different, often incompatible, ways. Sometimes, physical theories and models that nominally produce significantly diverging predictions can be found to produce very similar, even identical, predictions, once definitional differences are taken into account.

A good test theory should identify potential sources of definitional bias in the way that experiments are constructed. It should also be able to deal with a wide range of possible objections to experimental tests based upon it. Discovery that a test theory has serious omissions can undermine the validity of experimental work that is designed according to that theory.

Other articles related to "test theory, theory, test":

Test Theories Of Special Relativity - Robertson-Mansouri-Sexl Framework - Theory
... The purpose of the test theory is to allow a(v) and b(v) to be measured by experiment, and to see how close the experimental values come to the values predicted by special relativity ... dilation and length contraction the exact relativistic value, this test theory is experimentally equivalent to special relativity, independent of the chosen ... So Mansouri and Sexl spoke about the "remarkable result that a theory maintaining absolute simultaneity is equivalent to special relativity." They also noticed the similarity between this test theory and ...
Item Response Theory
... In psychometrics, item response theory (IRT) also known as latent trait theory, strong true score theory, or modern mental test theory, is a paradigm for the design ... By contrast, item response theory treats the difficulty of each item (the ICCs) as information to be incorporated in scaling items ... Because it is generally regarded as superior to classical test theory, it is the preferred method for developing scales, especially when optimal decisions are demanded ...
Classical Test Theory - History
... Classical Test Theory was born only after the following 3 acheivements or ideas were conceptualized one, a recognition of the presence of errors in measurements, two, a conception of that error as a random variable ... is thought to be the beginning of Classical Test Theory by some (Traub, 1997) ... Others who had an influence in the Classical Test Theory's framework include George Udny Yule, Truman Lee Kelley, those involved in making the Kuder-Richardson Formulas, Louis ...
Test Theories Of Special Relativity
... Test theories of special relativity give a mathematical framework for analyzing results of experiments to verify special relativity ... An experiment to test the theory of relativity cannot assume the theory is true, and therefore needs some other framework of assumptions that are wider than those of relativity ... For example, a test theory may have a different postulate about light concerning one-way speed of light vs ...

Famous quotes containing the words theory and/or test:

    By the “mud-sill” theory it is assumed that labor and education are incompatible; and any practical combination of them impossible. According to that theory, a blind horse upon a tread-mill, is a perfect illustration of what a laborer should be—all the better for being blind, that he could not tread out of place, or kick understandingly.... Free labor insists on universal education.
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