Because it’s worth repeating

A creationist in one of the comment sections recently repeated this old canard.

the dictionary says (among other things) that a theory is:
1. contemplation or speculation.
2. guess or conjecture.

there i go? again?
you just seem pretty intent on disparaging arguments but not refuting them.

This is yet another point where atheists and other non-deluded people are willing to be honest, all the while watching creationists do just the opposite. It’s like it’s just so damn inconvenient to come to a straight-forward, truthful understanding of basic concepts for the religious that lying has become okay for them; the ends justify the means.

So it is worthwhile to repeat, for the nth time, just what a theory is and is not.

Insofar as my theory that ice cream is great can be considered a theory, yes, creationism is a theory. But it is not in any way a scientific theory. The requirements to reach this high level are rigorous. For starters, what predictions does creationism make? What experiments can be carried out to falsify the hypothesis? Can others repeat these experiments? Are there other plausible explanations? Are there better explanations?

The word “theory”, as any educated, honest person knows, carries far more weight in science than it does for the lay public. In truth, the word gets mixed up in casual talk within science, even sometimes becoming conflated with “hypothesis”, but no one really blinks because the context allows for the use of shorthand. Think to Richard Dawkins’ style of writing. He uses personification all the time, especially when discussing natural selection. He will start out with qualifiers and scare quotes – “Natural selection ‘wants’ to weed out the bad genes” – but as he goes on, the reader comes to an understanding of the fact that the good doctor is bringing evolutionary biology to life via a particular way of writing. It becomes obvious that it is inappropriate to apply anthropomorphic qualities to what Dawkins is describing – and it is context that allows for this.

But in public forums or political circles, there can be no assumed knowledge of science and what its terms mean; it is a danger to allow for the use of loose language without qualification. That is why it is so important to distinguish between the lay definition of “theory” versus its scientific definition. In science it references something which has evidence, has been tested, has journal papers all about it, and usually there is a high degree of consensus. The Big Bang, evolution, global warming, plate tectonics – these are all theories. Creationists have no theories. They have no evidence, no reason, no logic, no testing, no raw data, no way to interpret any sort of observation in a way that holds any scientific significance.

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