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Luc Bovens argues that, under an assumption that the age of gametes has an effect on embryo viability, errors in NFP method result in the occurrence of lower-viability embryos. This is intended to be an ethical thought experiment; Bovens states that his assumption "is not backed up by empirical evidence, but does have a certain plausibility."
Such evidence is expected to be empirical evidence and interpretable in accordance with the scientific method. Standards for scientific evidence vary according to the field of inquiry, but the strength of scientific evidence is generally based on the results of statistical analysis and the strength of scientific controls. [citation needed]
From a logical standpoint, if one finds an observation that does not contradict a law, it does not mean that the law is true. A verification has no value in itself. But, if the law makes risky predictions and these are corroborated, Popper says, there is a reason to prefer this law over another law that makes less risky predictions or no ...
A thing is evidence for a proposition if it epistemically supports this proposition or indicates that the supported proposition is true. Evidence is empirical if it is constituted by or accessible to sensory experience. There are various competing theories about the exact definition of the terms evidence and empirical. Different fields, like ...
The formal scientific definition of theory is quite different from the everyday meaning of the word. It refers to a comprehensive explanation of some aspect of nature that is supported by a vast body of evidence. Many scientific theories are so well established that no new evidence is likely to alter them substantially.
The speculation with no evidence to support it has come from former President Donald Trump, his son Donald Trump Jr. and a host of right-wing commentators with big followings who issued vague ...
In the legal sphere, anecdotal evidence, if it passes certain legal requirements and is admitted as testimony, is a common form of evidence used in a court of law. Often this form of anecdotal evidence is the only evidence presented at trial. [30] Scientific evidence in a court of law is called physical evidence, but this is much rarer ...
When there is insufficient supporting evidence to determine whether it is true or false, an accusation is described as "unsubstantiated" or "unfounded". Accusations that are determined to be false based on corroborating evidence can be divided into three categories: [2] A completely false allegation, in that the alleged events did not occur.