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Author Topic:   So I Wrote A Book On The Scientific Method
RAZD
Member (Idle past 1512 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 59 of 168 (733064)
07-13-2014 5:20 PM
Reply to: Message 48 by Tangle
07-13-2014 12:19 PM


Just a thought ...
Can anyone put me straight - does a scientific theory HAVE to be predictive? Is explanatory enough? I need a credible reference either way.
It seems to me that if a theory has explanatory ability, that coupled with the premise that, all things being equal, it should continue to accurately explain the evidence, that this is a prediction, and that each new instance of evidence is a test of that prediction that the explanation will continue to hold.
Is this not how the theory of evolution explains the fossil evidence and predicts that any new fossil finds will be explained by the theory?
Enjoy.
Edited by RAZD, : clrty

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This message is a reply to:
 Message 48 by Tangle, posted 07-13-2014 12:19 PM Tangle has replied

Replies to this message:
 Message 60 by Tangle, posted 07-13-2014 5:35 PM RAZD has replied

  
RAZD
Member (Idle past 1512 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


(2)
Message 63 of 168 (733085)
07-13-2014 8:34 PM
Reply to: Message 60 by Tangle
07-13-2014 5:35 PM


Re: Just a thought ...
I don't think so. What it does is explain the fossils we find. Finding another fossil tomorrow has no predictive ability. ...
Not what I meant -- rather the theory explains the fossils we have found, and the prediction is that the next fossil we find will also be explained by the theory.
Thus every time a fossil is found it is a test of the theory of evolution's ability to explain the fossil record.
So your hypothetical explanatory theory explains the evidence we know, and the prediction is that new evidence will also be explained in the same way, and this is tested every time new evidence is found.
Enjoy.

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This message is a reply to:
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 Message 65 by NoNukes, posted 07-13-2014 11:12 PM RAZD has replied

  
RAZD
Member (Idle past 1512 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 69 of 168 (733103)
07-14-2014 6:36 AM
Reply to: Message 65 by NoNukes
07-13-2014 11:12 PM


Re: Just a thought ...
Thus every time a fossil is found it is a test of the theory of evolution's ability to explain the fossil record.
I agree. In what sense are the requirement that any new fossils will fit into a nest hierarchy (e.g. no crocoducks) not predictions of the future?
This also shows that we don't need to have experienced the past to explain it, to theorize about it, and to test those theories with new evidence.
Enjoy

we are limited in our ability to understand
by our ability to understand
RebelAmerican☆Zen☯Deist
... to learn ... to think ... to live ... to laugh ...
to share.


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This message is a reply to:
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