シャドーイング練習: If Your Team Never Fails, It Isn’t Learning - 動画で英語スピーキングを学ぶ
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RON FRIEDMAN: Over the last few years, my team and I have done a deep dive on what high performing teams do differently. We surveyed thousands of workers, and asked them two key questions about their teams. Number one, how effective is your team at meeting its goals? And number two is, compared to other teams in your industry, how would you rate your team's performance?
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Then we took the teams with a perfect score, a very tiny group we call super teams, and looked at what are the super teams doing differently on a day-to-day basis? And we looked at everything from how they structure their day, to how they run their meetings, to even how they recover in the evenings and weekends. The patterns were striking.
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Superteams share three key strengths. The first is they get more done by better managing their time, energy, and attention. The second is they don't just collaborate well, they actively make one another better. And the third is that they're not satisfied doing great work. They're constantly building their skills and improving over time.
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In today's discussion, what we're going to cover is the latter of the three strengths how super teams get better over time. At most companies, getting better is surprisingly difficult, and that's because improvement requires two things that most businesses are not particularly comfortable with-- and that is risk taking and failure. Trying something new often involves making mistakes.
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Unless the team feels comfortable making those mistakes, learning simply becomes impossible.
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There are a few tactics that I often see on superteams. The first is that they are constantly experimenting. The other thing that they are very high on, is they're very high on something called feedback seeking. And the third thing is that they reward innovation. And so we tend to see more people trying new things, because there's more of an opportunity for people who come up with new ideas to incorporate what they find into their career path.
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An experiment is a low, small risk test that allows your team to learn something new before committing to a decision. By definition, if you know it's going to work, it's not an experiment. You're exchanging efficiency for information. So even if it doesn't work out, even if the experiment is a failure, you're going to learn something that helps you improve in the future. I think that there are simple things that any leader can do to incorporate this learning and experimentation mindset, and part of it is having a weekly review of experiments that are ongoing, regardless of whether they were successful or failures. The idea is to socialize some of these findings so that people appreciate that this is something that is a routine way in which this team operates.
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One of the things we from the research is that 85% turns out to be a pretty good indicator. You're looking for 85% success. It tells you you're generally successful, but it also tells you you're failing a small portion of the time-- and that is suggestive of someone who is stretching, while still performing at a high level.
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One of the fascinating findings in our research on superteams is that the quantity of feedback that they receive on a regular basis is much higher than those on average teams. And part of it is because the leader is delivering feedback more frequently, and they're doing it in a way that is motivating rather than judgmental. But on superteams, people get more feedback from their colleagues. And it's not because their colleagues are pointing out mistakes that they're making.
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It's because they're sharing their work early, they're getting input from their colleagues, and they're making revisions before the work gets to the boss or to the client.
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There are a couple of things that leaders can do to get their team higher in feedback seeking. The first thing is, focus on the future, not the past. The second thing is, don't provide a laundry list of all the things they need to change.
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Focus on one small thing they can change to get better in the future.
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And the third thing is, when possible, try to make it a conversation. Don't just say, here's what I need you to do. Say, here's what I think might help in the future. What do you think? That's the kind of feedback that gets people feeling energized rather than judged.
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One of the things that superteams do really well is they reward innovation.
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And my favorite example of this is GM, the company that is best known for Post-Its and for Scotch Tape. They've been around for over 120 years. The question is, how do you create a company that is so effective for so long? One of their secrets is rewarding innovation.
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At 3M, they have a policy called the 30% rule. In order for a division to earn its bonus, at least 30% of its revenue must come from a product introduced in the last four years. And I love this approach, because it ensures that even if things are going well, your team will not coast, because they're constantly worried about what's next. One of the keys is rewarding intelligent failure. And what that refers is the idea that when someone takes a real risk and it doesn't work out, they get the same level of reward as someone whose experiment resulted in a giant success.
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I think unless you're seeing some degree of failure or setbacks, what it suggests is not that everything is going perfectly, but you're not stretching your skills or developing in an ongoing way. Part of what leaders need to let go of is the desire for perfection, and instead embrace the progress mentality-- and that requires portfolio thinking. You're going to have some degree of risk, and that's what's going to lead to ongoing improvement. But if you have no risk and everything is going perfectly, it doesn't mean you're getting everything right. It means you're falling behind.
チームの成長と失敗の関係 — 日常の会話から学ぶ
この動画では、高パフォーマンスチーム「スーパーチーム」の特徴について語られています。特に「失敗を恐れない学習姿勢」が重要であると説明され、実際のビジネス現場でのリーダーシップやチームワークのあり方が具体的に例示されています。こうしたリアルな会話は、英語スピーキング練習に最適な素材です。動画で英語学習をする際は、単語だけでなく文脈や発音のリズムも捉えることが大切です。
覚えておきたい便利なフレーズとコロケーション
- deep dive on：「～について深く調査する」。例："We did a deep dive on high performing teams."
- stretching skills：「スキルを伸ばす」。例："Failing a small portion of the time is suggestive of stretching skills."
- feedback seeking：「フィードバックを求めること」。例："Superteams are high on feedback seeking."
- reward innovation：「イノベーションを報酬する」。例："They reward innovation to encourage new ideas."
- intelligent failure：「知的な失敗」（リスクを伴うが学びのある失敗）。例："Rewarding intelligent failure leads to growth."
あなたのシャドーイングチャレンジ
shadowspeak（シャドースピーク）の練習として、動画の中で「experiment」「feedback」「reward」という単語が使われている部分を見つけ、その前後の文を1文ずつ真似て発音してみましょう。特に「By definition, if you know it's going to work, it's not an experiment.」という文は、リズムが重要です。シャドーイングをする際は、発音だけでなく声のトーンやポーズも注意して観察します。この練習は、英語のスピーキング力を上げるだけでなく、リアルな会話の流れを理解するのにも役立ちます。shadowspeaksのように、繰り返し練習することで自然な発音が身につきます。
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。