英コミュ　Predictably Irrational

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• I am Dan Ariely, a (b ) (e ), who studies economic decision making.

  behavioral 行動的な
  economist 倹約家
• One day while (b ) the Internet, I (s ) on the following (a ) in an economic magazine.

  browsing (browse) (ネットを)閲覧する
  stumbled
  stumble on ~につまずく
  advertisement 広告
• The first offer- an internet (s ) for $59- seemed (r ).

  subscription 購読(サブスク)
  reasonable 合理的な
• The second (o ) - a $125 print subscription - seemed a bit expensive.

  option 選択(オプション)
• However, (r ) to the print-only option, the print-and-internet option looks clearly better.

  relative
  relative to ~に対して
• When I gave these options to 100 college students, they chose ( ) (f ):

  as follows 以下の通りである
• They all saw the (a ) in the print-and-internet offer over the print-only offer.

  advantage 利点
• Were they influenced by the (p ) of the print-only option, which I call the "(d )"?

  presence 存在
  decoy おとり
• In (o ) (w ), (s ) that I removed the decoy so that the choices would be....

  other words
  In other words つまり
  suppose 思う
• Would the students (r ) as before?

  respond 応答する
• ( ) ( ), the option I took out was that no one chose, so it should make no difference.

  After all 結局
• ( ) ( ) (c ), this time, 68 students chose the internet-only option for $59.

  On the contrary それどころか
• What could have (p ) changed their minds?

  possibly もしかすると
• It was the decoy that made them choose (d ).

  differently 違う
• This is not only (i 1 ) (p ) (i 1 ) decision making caused by (r ).

  irrational 不合理な
  predictably 予想通り
  relativity 相対性理論
• ...if you buy two pairs of socks, you get a third pair ( ) (f ).

  for free 無料で
• You ( ) ( ) buying socks of the different kind, the one you didn't choose first.

  end up
  end up 動詞ing 最後にはやってしまう
• Zero is an (e ) hot (b ) - a source of irrational (e )

  emotional 感情的
  button ボタン
  excitement 興奮
• ...and offered two kinds of chocolates-high (q ) and (o ) ones.

  quality 品質
  ordinary 一般の
• There was a large sign, "One kind of chocolate (p ) customer."

  per ~につき
• Our customers acted with a ( ) ( ) of (r ): ....

  good deal
  a good deal of かなりの
  rationality 合理性
• Some 69% of customers chose the "FREE!" chocolates, while those choosing the other (d ) to 31%.

  decreased (decrease) 減る
• What was (g ) ( ) here?

  going on (go on) 続ける
• According to economic (t ), lowering the price　should not lead to any change since nothing had changed ( ) (r ) (t ).

  theory 理論
  in relative terms 相対的な意味でy
• Yet people grabbed the ordinary chocolates, not because of a (c -b ) (a ), but (s ) because of....

  cost-benefit 費用対効果
  analysis 分析
  simply 単に
• The examples above describe hidden forces, such as relativity and (e ).

  emotions 感情
• ....our (i ) happens the same way, again and again.

  irrationality 不合理
• ...for improving our decision making and (c ) the way we live ( ) ( ) (b ).

  changing / for the better
  change A for the better Aをよりよいものに変える

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