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Blind Wine, Part 4

Evaluating participant results

Joel Smith
Thu, 07/31/2014 - 17:10
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In part 1, part 2, and part 3, we shared our blind wine-tasting experiment, the survey results, and the experimental results, respectively. To wrap things up, we’re going to see if the survey results tied to the experimental results in any meaningful way.

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First, we look at whether self-identified knowledge correlated to the total number of correct appraisals:

We have no evidence of a relationship (p = 0.795). So we’ll look at the number of correct answers by how much each participant usually spends:

Again, no evidence of a relationship (p = 0.559).

How about how many types of wine each participant regularly buys?

 …

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Comments

Submitted by dkhays on Thu, 07/31/2014 - 09:23

Wines

You could have tossed them a out of concept wine with a Chocolate flavored one from Holland or an egg-nog flavored wine.  We are not connoisseur of wines, we have bought several bottles, most of which have never been opened.  We don't spend much on a bottle either.

Interesting set of articles, even though the concept wasn't necessarily wine tasting but using statistical evaluations to define the results of a set of data.

I didn't quite understand your graphs, the line, the vertical lines...

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