シャドーイング練習: تعلم اللغة الانجليزية من القصص مستوى C1-C2 | نص اكاديمي ايلتس توفل - 動画で英語スピーキングを学ぶ
レッスンを作成中...
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For decades, traditional economics assumed that human beings make rational decisions based on careful analysis of costs and benefits.
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This model, known as rational choice theory, suggests that individuals consistently act in their own best interest.
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However, behavioral economics challenges this assumption by demonstrating that emotions,
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cognitive biases, and psychological factors significantly influence decision-making,
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often leading to seemingly irrational choices.
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One of the most influential concepts in behavioral economics is loss aversion.
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Research has shown
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that the pain of losing a certain amount of money is
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approximately twice as strong as the pleasure of gaining the same amount.
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This explains why many investors hold on to losing stocks for too long,
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hoping to avoid the regret of realizing a loss even when selling would be the more logical choice.
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Similarly, the sunk cost fallacy describes the tendency to continue investing time,
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money, or effort into a failing endeavor simply because resources have already been committed.
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These insights have practical applications beyond individual behavior.
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Governments and organizations now use nudging, small changes in how choices are presented to encourage better outcomes.
16
For example, making pension enrollment automatic has significantly increased participation rates in many countries.
17
Likewise, placing healthier food options at eye level in cafeterias subtly promotes better eating habits without restricting freedom of choice.
18
These strategies demonstrate how understanding human psychology can lead to more effective public policies.
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Critics argue that behavioral economics oversimplifies human behavior and underestimates the role of social and cultural factors.
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Others worry that nudging could be used to manipulate individuals rather than empower them.
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Nevertheless, the field offers a valuable framework for understanding decision-making.
22
By recognizing patterns such as loss aversion and the sunk cost fallacy, individuals can make more informed choices,
23
while policymakers can create environments that gently steer citizens toward better decisions without coercion.
24
For decades, traditional economics assumed that human beings make rational decisions based on careful analysis of costs and benefits.
25
For decades, traditional economics assumed that human beings make rational decisions based on careful analysis of costs and benefits.
26
This model, known as Rational Choice Theory, suggests that individuals consistently act in their own best interest.
27
This model, known as Rational Choice Theory,
28
suggests that individuals consistently act in their own best interest.
29
However, behavioral economics challenges this assumption by demonstrating that emotions,
30
cognitive biases, and psychological factors significantly influence decision-making,
31
often leading to seemingly irrational choices.
32
However, behavioral economics challenges this assumption by demonstrating that emotions,
33
cognitive biases, and psychological factors significantly influence decision-making,
34
often leading to seemingly irrational choices.
35
One of the most influential concepts in behavioral economics is loss aversion.
36
One of the most influential concepts in behavioral economics is loss aversion.
37
Research has shown
38
that the pain of losing a certain amount of money is
39
approximately twice as strong as the pleasure of gaining the same amount.
40
Research has shown
41
that the pain of losing a certain amount of money is
42
approximately twice as strong as the pleasure of gaining the same amount.
43
This explains why many investors hold on to losing stocks for too long,
44
hoping to avoid the regret of realizing a loss even when selling would be the more logical choice.
45
This explains why many investors hold on to losing stocks for too long,
46
hoping to avoid the regret of realizing a loss even when selling would be the more logical choice.
47
Similarly, the sunk cost fallacy describes the tendency to continue investing time,
48
money, or effort into a failing endeavor simply because resources have already been committed.
49
Similarly, the sunk cost fallacy describes the tendency to continue investing time,
50
money, or effort into a failing endeavor simply because resources have already been committed.
51
These insights have practical applications beyond individual behavior.
52
These insights have practical applications beyond individual behavior.
53
Governments and organizations now use nudging small changes in how choices are presented to encourage better outcomes.
54
Students and organizations now use nudging, small changes in how choices are presented to encourage better outcomes.
55
For example, making pension enrollment automatic has significantly increased participation rates in many countries.
56
For example, making pension enrollment automatic has significantly increased participation rates in many countries.
57
Likewise, placing healthier food options at eye level in cafeterias subtly promotes better eating habits without restricting freedom of choice.
58
Likewise, placing healthier food options at eye level in cafeterias subtly promotes better eating habits without restricting freedom of choice.
59
These strategies demonstrate how understanding human psychology can lead to more effective public policies.
60
These strategies demonstrate how understanding human psychology can lead to more effective public policies.
61
Critics argue that behavioral economics oversimplifies human behavior and underestimates the role of social and cultural factors.
62
Critics argue that behavioral economics oversimplifies human behavior and underestimates the role of social and cultural factors.
63
Others worry that nudging could be used to manipulate individuals rather than empower them.
64
Others worry that nudging could be used to manipulate individuals rather than empower them.
65
Nevertheless, the field offers a valuable framework for understanding decision-making.
66
Nevertheless, the field offers a valuable framework for understanding decision-making.
67
By recognizing patterns such as loss aversion and the sunk cost fallacy,
68
individuals can make more informed choices while policymakers can create environments that gently steer citizens toward better decisions without coercion.
69
By recognizing patterns such as loss aversion and the sunk cost fallacy,
70
individuals can make more informed choices while policymakers can create environments that gently steer citizens toward better decisions without coercion.
71
Behavioral Economics Behavioral Economics
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Rational Choice Theory Rational Choice Theory
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Costs and Benefits costs and benefits
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cognitive biases cognitive biases
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irrational loss,
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aversion Investors
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Investors Logical Logical
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Sunk, cost, fallacy.
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Sunk, cost, fallacy.
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Endeavor.
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Endeavor.
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Committed resources Committed resources
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Insights
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Insights Practical Applications
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Practical Applications nudging
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pension enrollment
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Participation rates Cafeterias
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subtly subtly restricting
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restricting Freedom of choice.
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Public policies.
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Over simplifies.
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Oversimplifies.
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Oversimplifies.
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Underestimates.
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Underestimates Manipulate Manipulate
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Empower
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Empower Framework Framework
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Recognizing Patterns Recognizing Patterns
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Policymakers Policymakers.
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Steer.
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Steer.
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Coercion.
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Coercion
104
For decades, traditional economics assumed that human beings make rational decisions based on careful analysis of costs and benefits.
105
This model, known as rational choice theory, suggests that individuals consistently act in their own best interest.
106
However, behavioral economics challenges this assumption by demonstrating that emotions,
107
cognitive biases, and psychological factors significantly influence decision-making,
108
often leading to seemingly irrational choices.
109
One of the most influential concepts in behavioral economics is loss aversion.
110
Research has shown
111
that the pain of losing a certain amount of money is
112
approximately twice as strong as the pleasure of gaining the same amount.
113
This explains why many investors hold on to losing stocks for too long,
114
hoping to avoid the regret of realizing a loss even when selling would be the more logical choice.
115
Similarly, the sunk cost fallacy describes the tendency to continue investing time,
116
money, or effort into a failing endeavor simply because resources have already been committed.
117
These insights have practical applications beyond individual behavior.
118
Governments and organizations now use nudging, small changes in how choices are presented to encourage better outcomes.
119
For example, making pension enrollment automatic has significantly increased participation rates in many countries.
120
Likewise, placing healthier food options at eye level in cafeterias subtly promotes better eating habits without restricting freedom of choice.
121
These strategies demonstrate how understanding human psychology can lead to more effective public policies.
122
Critics argue that behavioral economics oversimplifies human behavior and underestimates the role of social and cultural factors.
123
Others worry that nudging could be used to manipulate individuals rather than empower them.
124
Nevertheless, the field offers a valuable framework for understanding decision-making,
125
By recognizing patterns such as loss aversion and the sunk cost fallacy, individuals can make more informed choices,
126
while policymakers can create environments that gently steer citizens toward better decisions without coercion.
127
Cognitive Biases coercion
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このレッスンの語彙とスピーキングのポイント
このC2レベルのスピーキングレッスンは、動画「تعلم اللغة الانجليزية من القصص مستوى C1-C2」を教材にしています。 繰り返し出てくる語は次のとおりです：choice, economics, individual, decision, cost。 この動画には、シャドーイング用の文が127文、単語が1297語あります。 音声の長さは23:14です。 英語の頻出3,000語に含まれる単語は69%だけなので、語彙は難しめです。
この動画の重要語彙
動画の中で特に難しい単語15語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| fallacy 名詞 | /ˈfæl.ə.si/ | いんちき, 欺瞞 |
| rational 形容詞 | /ˈɹæʃ(ə)nəl/ | 合理的 |
| aversion 名詞 | /əˈvɜːʒən/ | 嫌悪, 厭悪 |
| coercion 名詞 | /koʊˈɝʒən/ | 強制, 威圧 |
| endeavor 名詞 | /ɛnˈdɛv.ɚ/ | 努力, 事業 |
| underestimate 動詞 | /ʌndɚˈɛs.tɪ.meɪt/ | 過小評価する, 侮る |
| steer 動詞 | /stɪɹ/ | 操縦する, 舵を取る |
| restrict 動詞 | /ɹɪˈstɹɪkt/ | 制限する |
| investor 名詞 | /ɪnˈvɛs.tə(ɹ)/ | 投資家, 出資者 |
| cafeteria 名詞 | /ˌkæ.fə.ˈtɪ(ə).ɹi.ə/ | 食堂, カフェテリア |
| irrational 形容詞 | /ɪˈɹæʃ.(ə.)nəl/ | 不合理な, 無理な |
| critic 名詞 | /ˈkɹɪt.ɪk/ | 批評家, 評論家 |
| tendency 名詞 | /ˈtɛn.dən.si/ | 傾向, 趨勢 |
| likewise 副詞 | /ˈlaɪkˌwaɪz/ | 同様に |
| gently 副詞 | /ˈd͡ʒɛntli/ | そっと |
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係している | has shown · have already been |
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | are presented |
注意したい発音
- 「sh」と「zh」の音: rational /ˈɹæʃ(ə)nəl/, aversion /əˈvɜːʒən/, coercion /koʊˈɝʒən/, irrational /ɪˈɹæʃ.(ə.)nəl/, assumption /əˈsʌm(p).ʃ(ə)n/
- 長い単語（アクセントの位置に注意）: behavioral /bɪˈheɪvjəɹəl/, underestimate /ʌndɚˈɛs.tɪ.meɪt/, manipulate /məˈnɪp.jʊ.leɪt/, cafeteria /ˌkæ.fə.ˈtɪ(ə).ɹi.ə/, irrational /ɪˈɹæʃ.(ə.)nəl/
日本語話者が苦手な音：
- /r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: behavioral /bɪˈheɪvjəɹəl/, rational /ˈɹæʃ(ə)nəl/, irrational /ɪˈɹæʃ.(ə.)nəl/, enrollment /ənˈɹəʊl.mənt/
- /v/ — /b/ にならないように、上の歯を下唇に当てる: behavioral /bɪˈheɪvjəɹəl/, aversion /əˈvɜːʒən/, endeavor /ɛnˈdɛv.ɚ/, investor /ɪnˈvɛs.tə(ɹ)/
- /f/ — 「フ」ではなく、上の歯と下唇で出す: fallacy /ˈfæl.ə.si/, cafeteria /ˌkæ.fə.ˈtɪ(ə).ɹi.ə/, influential /ɪnflʊˈɛnʃəl/, simplify /ˈsɪmplɪfaɪ/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
- 自分の声を録音して元の音声と比べます。fallacy, rational, aversionなどの単語に特に注意しましょう。
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。