Find a partner (friend or family member) and test your absolute threshold for sugar. Have your partner set up the following sugar-and-water mixtures. Mix 2 teaspoons of sugar in four cups of water. Label this solution (e.g., “solution X”). Take two cups of solution X, add two cups of water, and give this solution a second label (e.g., “solution D”). Then take two cups of solution D, add two cups of water, and give this a third label (“solution Q”). Continue taking two cups from each successive solution until you have a total of eight solutions, making sure to keep track of which solution is which. When you are done, the concentration of the solutions should be equivalent to one teaspoon in each of the following amounts of water: 1 pint (2 cups), 1 quart, 1 half-gallon, 1 gallon, 2 gallons, 4 gallons, and 8 gallons. Your partner should place a sample of one of the solutions in a cup and a sample of plain water in another, identical cup. You should taste the solution in each cup and decide which one is the sugar solution. Do this with all of the solutions until you can decide what your absolute threshold is according to the text’s definition. Do you think your absolute threshold would vary depending on what you had recently eaten? Why or why not?
Find a partner (friend or family member) and test your absolute threshold for sugar. Have your partner set up the following sugar-and-water mixtures. Mix 2 teaspoons of sugar in four cups of water. Label this solution (e.g., “solution X”). Take two cups of solution X, add two cups of water, and give this solution a second label (e.g., “solution D”). Then take two cups of solution D, add two cups of water, and give this a third label (“solution Q”). Continue taking two cups from each successive solution until you have a total of eight solutions, making sure to keep track of which solution is which. When you are done, the concentration of the solutions should be equivalent to one teaspoon in each of the following amounts of water: 1 pint (2 cups), 1 quart, 1 half-gallon, 1 gallon, 2 gallons, 4 gallons, and 8 gallons. Your partner should place a sample of one of the solutions in a cup and a sample of plain water in another, identical cup. You should taste the solution in each cup and decide which one is the sugar solution. Do this with all of the solutions until you can decide what your absolute threshold is according to the text’s definition. Do you think your absolute threshold would vary depending on what you had recently eaten? Why or why not?
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