Blind wine tasting
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Blind tasting of wine involves tasting and evaluating wines without any knowledge of their identities. This is done because knowing the identity of a wine easily prejudices tasters for or against it because of its geographic origin, price, reputation, or other considerations.
Scientific research has long demonstrated the power of suggestion in perception as well as the strong effects of expectancies. For example, people expect more expensive wine to have more desirable characteristics than less expensive wine. When given wine that they are falsely told is expensive they virtually always report it as tasting better than the very same wine when they are told that it is inexpensive. French researcher Frédéric Brochet "submitted a mid-range Bordeaux in two different bottles, one labeled as a cheap table wine, the other bearing a grand cru etiquette" and obtained predictable results. Tasters described the supposed grand cru as "woody, complex, and round" and the supposed cheap wine as "short, light, and faulty."[1] Blind tastings have repeatedly demonstrated that price is not highly correlated with the evaluations made by most people who taste wine.
Similarly, people have expectations about wines because of their geographic origin, producer, vintage, color, and many other factors. For example, when Brochet served a white wine he received all the usual descriptions: "fresh, dry, honeyed, lively." Later he served the same wine dyed red and received the usual red terms: "intense, spicy, supple, deep."
The world of wine has numerous myths and exaggerations that are only now being disproven scientifically, yet they influence perceptions and expectancies. Not even professional tasters are immune to the strong effects of expectancies. Therefore, the need for blind tasting continues.
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[edit] External links
- Download your own home wine tasting kit Download a PDF guide to hosting your own wine tastings - from decanter.com.
