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Content validity

Content validity

The extent to which the items of a test or procedure are in fact a representative sample of that which is to be measured; e.g., items relating to ability in arithmetic and defining words are appropriate content for an intelligence test.


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Re: Creation of species through programmed evolution

... without involving a living cell or organism, in fact, also test the validity of this belief (prediction) although scientists may not admit it. ... blog), biosoftware engineering processes to create new bioinformation content on the chromosome would result in shuffling of chromosome portions. ...

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by PAWahid
Sat Jan 28, 2012 8:24 am
 
Forum: Evolution
Topic: Creation of species through programmed evolution
Replies: 15
Views: 11151

Re: Creation of species through programmed evolution

... species proposed by me is scientific. An assertion is scientific if its validity can be tested or it can be disproved (falsified). This is the criterion ... (carried in zygote) to create tissues with different bioinformation content, etc. form the supporting evidence for the proposed theory. Besides ...

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by PAWahid
Fri Jan 27, 2012 7:14 pm
 
Forum: Evolution
Topic: Creation of species through programmed evolution
Replies: 15
Views: 11151

Re: Theories - Origin of Life

... Laws on gravity, Kepler’s Laws of motion, Chargaff’s rule of GC% content etc etc. The reason is simple, it is a philosophy. Mind you Mayr ... you so rightly quote him No educated person any longer questions the validity of the so-called theory of evolution, which we now know to be a ...

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by scottie
Tue Jun 07, 2011 1:23 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929010

Re: Experimental evidence for evolution

... To save any further confusion here it is again. http://www.pnas.org/content/105/23/7899.full.pdf+html First sentence reads “The role of historical ... issue.” The purpose of the experiment therefore was to determine the validity of the hypothesis of “Historical Contingency” (Page 1 para 4) “They ...

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by jevg
Fri Sep 10, 2010 9:18 pm
 
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 179658

Re: Environmental effect on Phenotype

... data over some twenty years or so. http://la.rsmjournals.com/cgi/content/abstract/24/1/71 You can down the full pdf The summary is well worth ... genetic and the environmental component. ” (my emphasis) The scientific validity of the theory you have been reading about is not really being borne ...

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by jevg
Mon Jul 12, 2010 12:06 pm
 
Forum: Genetics
Topic: Environmental effect on Phenotype
Replies: 2
Views: 5687
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