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Wine Competitions vs. Really Bad Science (or “The Journal of Wine Economics Drops the Cork. Again.”)

Vinted on September 3, 2009 binned in commentary, wine publications

I’ve always had a bit of a mixed reaction to the reports published by the Journal of Wine Economics.  On the one hand, I love the fact that serious statistical attention is being given to topics like wine awards, in the hopes that scientific examination will help reveal more about how wine and consumers interact.  BUT… I’ve also had to deconstruct their lead articles to highlight what I felt to be conclusions that they draw from their analysis that I felt weren’t adequately supported by their data.

Well, now it seems that the American Association of Wine Economists has gone off the deep end.

The latest issue of the JWE (Volume 4, Issue 1, Spring 2009) contains a lead-off article by Robert T. Hodgson titled An Analysis of the Concordance Among 13 U.S. Wine CompetitionsAfter reading the nine-page analysis, I’d go so far as to say that the AAWE’s release is bordering on being totally irresponsible. In my opinion, the science of how the statistics are applied is, at best, specious, and at worst might be downright deceitful.

Heady criticism, right?  Let’s get deconstructin’!

The report examines data from 13 U.S. wine competitions in 2003.  Here’s a bit of excerpt from the article abstract (emphasis is mine):

“An  analysis  of  the  number  of Gold medals received  in multiple competitions  indicates  that  the probability of winning a Gold medal at one competition is stochastically independent of the probability of receiving a Gold at another competition, indicating that winning a Gold medal is greatly influenced by chance alone.”

Stochastic independence is simply another way of saying that the events are not related.  For example, if you roll a 5 on a die, the event of rolling a 5 on your second role are independent. In other words, a wine winning a medal in one competition doesn’t impact what it will or won’t win in another competition.  Which is exactly what you’d expect from a different competition, with different judges, and competing against different wines.  The problem is that none of those other conditions are detailed in the JWE report.

Ignoring the fact that 13 competitions might not be a statistically relevant sample, not detailing the other factors that would certainly impact the outcome of the wine competitions is a seriously glaring omission.

Things get worse…

Read the rest of this stuff »

August Edition of Chester County Cuisine & Nightlife Hits the Stands

Vinted on August 14, 2009 binned in about 1winedude blog, Penns Woods, pennsylvania, wine publications

A very quick blurb to let you know that the latest edition of Chester County Cuisine & Nightlife has hit the stands.  This month’s issue (August 2009) includes a piece that I wrote in late 2008 on Penns Woods winemaker Gino Razzi.

CCC, masterminded by WCDish.com co-founder and irrepressible Philly-area foodie Mary Bingham, continues to improve with every issue and seems like it’s really starting to hit its stride.  And best of all, it’s FREE.

So if you happen to find yourself in visiting, living in, or mysteriously waking up somewhere in Chester County, PA, be sure to grab yourself a copy or two, or hit the PDF after the jump for a tree-friendly version!

Cheers!
(images: dailylocal.com)

Chicks Dig Expensive Wine! (Do Women Have a Price Bias?)

Vinted on May 14, 2009 binned in commentary, wine publications

You really like my limousine

You like the way the wheels roll.

You like my seven inch leather heels

and coming to all of the shows.

But…

Do you love me?

- KISS, Do You Love Me (from Destroyer, 1976)

The American Association of Wine Economists has released another working paper, which often is great fodder for wine-related discussion, unless of course you want to talk about the wine itself.  And it might piss some women wine lovers off…

This particular working paper, No. 25, is titled “WHEN DOES THE PRICE AFFECT THE TASTE? RESULTS FROM A WINE EXPERIMENT” and details an experiment performed on approximately 130 people (average age: 29) to measure how knowledge of a price of a bottle of wine impacts people’s perception of that wine (good or bad).  The experiment gave three different scenarios to the subjects:

  1. Taste then Rate the wine with no price info. given (control).
  2. Give the Price, taste, then rate the wines.
  3. Taste the wine, give the price, then rate the wine.

There were some interesting findings from this little study, including a reinforcement of the subjective nature of tasting wine:

“Objective measures of wine quality are not easily defined, and consumer tastes with regard to wine are highly heterogeneous…”

as well as what seems like the AAWE’s obligatory dig at professional wine tasters and judges (they love to do this, I think):

“Tasters are only marginally better than a random guess at distinguishing vintage years from non-vintage years from the same vineyard, or reserve bottlings from regular bottlings from the same vineyard and year, despite very large differences in price.”

and an underscoring of a not-so-revolutionary finding that seems to have been proven for nearly any kind of marketed consumer good:

“…extrinsic information provided prior to first-hand experience with the good in question has a significant effect of how the good is experienced, whereas extrinsic information provided after the experience does not.”

WARNING: Some women may want to stop reading at this point.

The most interesting finding was the gender bias that the AAWE claims resulted during the study.

…an expensive wine gets considerably higher ratings when tasters are informed about the high price before tasting, relative to tasting “blind” – but only from female tasters. By contrast, women that taste the wine before being told the price do not assign significantly higher ratings, suggesting that once they form a first-hand opinion the attribute information has little effect.”

It seems that some women at least think that they prefer expensive wine, even if the wine they’re given is not really expensive.  In other words, Chicks dig pricey wine (even if it’s not really pricey)!

The finding is interesting but I’m guessing it would hardly prove a revelation to any guy who has ever lied to a date about the price of wine and dinner.

Now, I know what some of you guys are probably thinking.

Egads!  Does she really love me, or just my expensive wine?!??

Take heart, guys – the wine doesn’t have to really be expensive, she just needs to think that it’s expensive!

But seriously, before any wineries out there up their prices, put a picture of a shirtless hot guy on the label, and contact their marketing department to start running commercials during Desperate Housewives – you all need to know a few things about this AAWE study.

As far as I’m concerned, the study isn’t scientifically reliable, and supports no real conclusions, until such time as it’s repeated (possibly with larger & larger subject groups). Otherwise, it’s just guessing based on a very small sample size.

So – guys with deep pockets and deep cellars, don’t dump your better halves just yet.  Because chances are they are really just that – your better halves!

Cheers!

(images: hollywood-elsewhere, wine-economics.org)

Issue #2 of Chester County Cuisine and Nightlife Now Available!

Vinted on April 12, 2009 binned in about 1winedude blog, wine publications

The second issue of Chester County Cuisine and Nightlife is now available!

For those of you in Chester County, PA., there is quite a bit of excellent information in this issue on the local foodie & nightlife scene, but those of you in other areas of the planet might find some of the content interesting as well.

I’ve contributed a small tidbit to CCCN #2, with a wine tip that might come in handy for some of you so I’ve included it here as well.  Who knows, it could just save your date night sometime (you an thank me later).

You can download the latest issue of CCCN from the DailyLocal.com website.

Cheers!

(images: dailylocal.com)

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