TOEFL Speaking Task 3 Sample: Explain how the example from the professor's lecture illustrates the concept of an information cascade.

1.子项得分

Delivery: 2 Language Use: 2 Topic Development: 2

2.预估分数

Estimated Score: 15

3.表达

在表达方面，发言者的语速不够流畅，有时会出现不必要的停顿。此外，发音也有一些不准确的地方。建议发言者多加练习，提高语言的流利度和准确性。可以尝试朗读练习和模仿地道英语发音，以提高口语表达能力。

4.话题发展

The response does address the concept of information cascade, but it could be better organized and clearer in its explanation. The speaker should first briefly explain the concept of information cascade from the reading passage, then describe the professor's example in detail, and finally connect the example to the concept by explaining how it illustrates an information cascade. To improve topic development, the speaker should practice organizing their thoughts and providing a more coherent response with clear connections between ideas and sufficient support or examples.

5.语言使用

Original Answer: The passage describes a phenomenon called information cascade, which means when the decision of a field affects the behavior of a large group. The professor gave us an example to explain the concept. While he traveled in a new city, he had a guidebook with a location restaurant. First, he chose an Italian restaurant with a high rating, but it was very crowded. As a result, he chose a French place to eat with a lower rating. But more people came to eat there because the professor ate in the restaurant. When he went to a hotel, the Italian restaurant still had many people.

Corrected Answer: The passage describes the phenomenon of information cascade, which occurs when the decision of a few influences the behavior of a larger group. The professor provided an example to illustrate this concept. While visiting a new city, he consulted a guidebook for restaurant recommendations. Initially, he considered an Italian restaurant with high ratings but found it to be empty. Consequently, he opted for a French restaurant with lower ratings that appeared more crowded. More people continued to arrive at the French restaurant, likely influenced by its popularity. Later, when passing by the Italian restaurant again, it remained relatively empty. (修改了句子结构、词汇和语法，使表达更自然流畅。例如，“phenomenon called information cascade”改为“phenomenon of information cascade”，“a field”改为“a few”，“location restaurant”改为“restaurant recommendations”等。)

Revised Answer (140 words):

The passage introduces the phenomenon of information cascade, which occurs when the decisions of a few individuals influence the behavior of a larger group. The professor provided an example to illustrate this concept from his personal experience in a new city. He consulted a guidebook for restaurant recommendations and initially considered an Italian restaurant with high ratings. However, he found it to be empty and opted for a French restaurant with lower ratings that appeared more crowded. As more people continued to arrive at the French restaurant, it became evident that they were likely influenced by its apparent popularity. Later, when the professor passed by the Italian restaurant again, it remained relatively empty, demonstrating the impact of information cascade on people's decision-making process in this situation.

6.思维导图

• Information Cascade

  • Definition
  • Influence on larger group

• Professor's Example

  • New city
  • Guidebook for restaurant recommendations
  • Italian restaurant (high ratings, empty)
  • French restaurant (lower ratings, crowded)
  • People influenced by popularity
  • Italian restaurant remains empty

7.关键词

1.子项得分 Delivery: 2 Language Use: 2 Topic Development: 2

2.预估分数

19. 3.表达

从表达方面来看，这个回答有一些语法错误和不清晰的地方。例如，“the first restaurant is an Italian restaurant with high rent” 应该是 “the first restaurant is an Italian restaurant with a high rating”。此外，发言者在描述时使用了一些不恰当的词汇，如“renting” 和 “no renting”，这些词汇在这个语境中并不适用。建议发言者在练习口语时注意语法和词汇的准确性，以提高表达的清晰度。

4.话题发展 从话题发展方面来看，发言者对信息级联的概念有一定的理解，但在解释教授的例子时，没有充分展示这种理解。例如，发言者没有明确指出教授选择法国餐厅是因为看到其他人在那里就餐，从而形成了信息级联。此外，回答中也没有提到教授最初是根据指南选择意大利餐厅的。建议发言者在练习时更加关注话题的核心要点，并确保在回答中提供充分的支持和例证。

5.语言使用

Information cascade refers to a division of a field that affects the behavior of a large group. Information cascade refers to a phenomenon where the decisions of a few people influence the behavior of a larger group. (将原句中的“division of a field”修改为“phenomenon”，使句子更符合信息级联的定义。) The professor uses his own experience to explain this project. The professor uses his own experience to illustrate this concept. (将“project”修改为“concept”，使句子更准确地描述教授的例子。) When the professor finds two restaurants to eat out for dinner, the first restaurant is an Italian restaurant with high rent. When the professor was looking for a place to eat dinner, he found two nearby restaurants: an Italian restaurant with a high rating and a French restaurant with a lower rating. (修改了原句的结构，使其更清晰地描述了教授的选择。) The second restaurant is the French restaurant which didn't have no renting. (删除了重复的信息。) However, when he went to the Italian restaurant, it was a little bit empty. So he didn't choose that and go to the French restaurant, which will have a lot more crowded. He decided not to choose the Italian restaurant and went to the French one, which was more crowded. (简化了原句，使其更自然。) He thinks it must be because the dish is good so the people eating here. He thought the French restaurant must be good since many people were eating there. (修改了原句的结构，使其更清晰地表达了教授的想法。) However, the dish in the French restaurant didn't so good. However, the food at the French restaurant was not that good. (修改了原句的词汇，使其更自然。) That's how the information cascade works. This is an example of how information cascade works. (修改了原句的结构，使其更自然地总结了回答。)

Revised Answer (140 words):

Information cascade refers to a phenomenon where the decisions of a few people influence the behavior of a larger group. The professor uses his own experience to illustrate this concept. When the professor was looking for a place to eat dinner, he found two nearby restaurants: an Italian restaurant with a high rating and a French restaurant with a lower rating. However, when he went to the Italian restaurant, it was a little bit empty. He decided not to choose the Italian restaurant and went to the French one, which was more crowded. He thought the French restaurant must be good since many people were eating there. However, the food at the French restaurant was not that good. This is an example of how information cascade works.

6.思维导图

• Information Cascade

  • Phenomenon
  • Decisions of a few
  • Influence larger group

• Professor's Example

  • Italian restaurant
    • High rating
    • Empty
  • French restaurant
    • Lower rating
    • Crowded
  • Decision based on others' choices

• Result

  • Mediocre dinner
  • Illustration of information cascade

7.关键词

1.子项得分

Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，这位同学的回答基本上是清晰的，语速适中，偶尔有些停顿。但是，为了提高口语表达能力，建议同学在练习时注意以下几点：1) 在发音方面要更加准确，避免出现拼写错误；2) 在停顿方面要更加自然，避免出现不恰当的停顿。通过多做练习和模仿优秀的范例，相信同学的口语表达能力会有所提高。

4.话题发展

从话题发展方面来看，这位同学的回答内容基本上是连贯和有条理的，观点之间关系明确，举例也比较充分。但是，在今后的练习中可以注意以下几点以进一步提高话题发展能力：1) 在组织结构上要更加紧密，确保观点之间的逻辑关系更加明确；2) 在举例方面要更加具体和详细，以便更好地支持自己的观点。通过多做练习和参考优秀的范例，相信同学在话题发展方面会有更大的提高。

5.语言使用

Original Answer: Well, the concept of information cascade means when people have to choose between different options, they tend to imitate other people's choices even if they are wrong. The concept of an information cascade occurs when people, faced with multiple options, tend to imitate the choices of others even if they believe those choices are incorrect. (将句子结构调整得更自然，使用更高级的词汇) It is a decision of few affecting the behavior of a large group of people. It involves the decisions of a few individuals influencing the behavior of a larger group. (改进句子结构和词汇选择) The professor went to an unfamiliar city last week where he had to find a local restaurant to have dinner. He referred to the guidebook and found two nearby restaurants, one Italian is high rating but empty, or the second French restaurant is low rating but crowded. However, he believed that the French restaurant is very crowded just because a lot of people believe that it is very good, Nonetheless, he thought that the French restaurant's popularity might be due to many people believing it was superior, (使用更自然的表达方式和词汇) so he chose the French restaurant. However, it turned out the dinner was not very good. So that best illustrates the concept of information cascade because more people are making similar choices and imitating others.

Revised Answer (140 words):

The concept of an information cascade occurs when people, faced with multiple options, tend to imitate the choices of others even if they believe those choices are incorrect. It involves the decisions of a few individuals influencing the behavior of a larger group. The professor's experience in an unfamiliar city demonstrates this concept. He had to find a local restaurant for dinner and consulted a guidebook, which listed two nearby options: a highly-rated but empty Italian restaurant and a lower-rated but crowded French restaurant. Nonetheless, he thought that the French restaurant's popularity might be due to many people believing it was superior, so he chose it. Unfortunately, the dinner was not very good. This example illustrates the concept of information cascades, as more people make similar choices based on the actions of others.

6.思维导图

• Information Cascade

  • Imitate choices
  • Incorrect decisions

• Professor's experience

  • Unfamiliar city
  • Guidebook
  • Italian restaurant (high-rated, empty)
  • French restaurant (low-rated, crowded)

• Decision-making process

  • Popularity assumption
  • Chose French restaurant

• Outcome

  • Mediocre dinner
  • Illustrates information cascade

7.关键词

1.子项得分 Delivery: 2 Language Use: 2 Topic Development: 3

2.预估分数

19. 3.表达

在回答中，发音不够清晰，语速不稳定，有时出现不必要的停顿。建议练习发音和语调，以便在说话时更自然流畅。同时，注意在适当的地方停顿，以提高整体表达的清晰度。

4.话题发展 回答内容基本上与题目相关，但在组织结构和表述上还有待提高。建议在回答时先简要介绍信息级联的概念，然后详细解释教授的例子如何体现这一概念。此外，在描述例子时要注意准确表述细节，避免出现错误或混淆。例如，在回答中提到意大利餐厅评分很低，而法国餐厅评分较高，实际上应该是相反的。最后，在总结时可以强调教授的例子如何说明人们在面临选择时容易受到他人行为的影响。

5.语言使用

Information cascade means that when people have to make a choice, they will observe others and imitate others. An information cascade occurs when people, faced with a choice, observe and imitate the decisions of others. (修改了句子结构，使表达更自然) The professor gave the example of his own. The professor provided a personal example. (简化表达，更自然) When he went to a city where he never went, he wanted to have a dinner, so he had a guided book. When he visited a new city, he wanted to have dinner and consulted a guidebook. (调整句子结构，修正语法错误) There are two restaurants. The Italian restaurant had a very low rating, but the French restaurant had a high rating, low rating. There were two nearby restaurants: an Italian one with a high rating and a French one with a low rating. (重新组织句子，提供正确的信息) So he went to the French restaurant, but the French restaurant is not very good. But many people come in, again, constantly, because the people say the French restaurant is very busy. He decided to try the French restaurant despite its low rating because it was crowded. However, the food was mediocre. More people kept coming in, likely because they saw how busy it was. (调整句子结构，使表达更自然流畅) But when he went back to the hotel, he saw that the Italian is not very busy. On his way back to the hotel, he noticed the Italian restaurant was still not crowded. (调整句子结构，使表达更自然)

Revised Answer (140 words):

An information cascade occurs when people, faced with a choice, observe and imitate the decisions of others. The professor provided a personal example. When he visited a new city, he wanted to have dinner and consulted a guidebook. There were two nearby restaurants: an Italian one with a high rating and a French one with a low rating. He decided to try the French restaurant despite its low rating because it was crowded. However, the food was mediocre. More people kept coming in, likely because they saw how busy it was. On his way back to the hotel, he noticed the Italian restaurant was still not crowded. This example demonstrates how people tend to follow the decisions of others even when they have information suggesting a better option is available, illustrating the concept of an information cascade.

6.思维导图

• Information Cascade
  • Definition
  • Professor's Example
    • New city
    • Guidebook
    • Italian restaurant (high rating)
    • French restaurant (low rating)
    • Crowded French restaurant
    • Mediocre food
    • People following others' decisions
  • Illustration of the concept

7.关键词

1.子项得分

• 交付：3

• 语言使用：3

• 话题发展：3

2.预估分数

• 总分：23

3.表达 在这个回答中，发言者的表达大致清晰，但仍有改进的空间。首先，建议发言者注意在句子之间加入适当的停顿，以提高语言的流畅度。此外，尝试使用更丰富的词汇和表达方式，以增强语言的表现力。最后，请注意正确发音单词，以避免拼写错误。

4.话题发展 发言者在回答中提到了教授讲座中的例子，并解释了这个例子如何说明信息级联的概念。然而，回答可以更加有条理和组织。建议发言者首先简要介绍信息级联的定义和特点，然后详细阐述教授讲座中的例子，并强调这个例子如何体现信息级联的特点。此外，在举例时可以使用更多连接词和过渡词，使回答更加连贯。

5.语言使用

原文：Well, information can say it refers to a situation when people are facing two choices. The concept of information cascade refers to a situation when people face multiple choices. (修改了句子结构，使其更自然流畅) They are inclined to affected by other people, even they know the choice may be not the good one. They tend to be influenced by others, even when they know that the choice might not be the best one. (修正了语法错误和词汇选择) Like the example the professor took in his lectures, As illustrated in the professor's example, (改进了表达方式，使其更自然) he used to visit a city he never been there before. he visited a city he had never been to before. (修正了语法错误) When he want to have his dinner, there are two options, one Italian restaurant which have high rank and the other is French restaurant. When he wanted to have dinner, he had two options: a highly-rated Italian restaurant and a French restaurant. (改进了句子结构和词汇选择) And in the end, he went to the French restaurant because there were more people there. Eventually, he chose the French restaurant because it had more customers. (使用了更自然的表达方式) But in the end, as a result, the good there was not actually good. However, the food there turned out to be mediocre. (修正了语法错误和词汇选择，使句子更简洁明了)

修订版（140字）：

The concept of information cascade refers to a situation when people face multiple choices. They tend to be influenced by others, even when they know that the choice might not be the best one. As illustrated in the professor's example, he visited a city he had never been to before. When he wanted to have dinner, he had two options: a highly-rated Italian restaurant and a French restaurant. Eventually, he chose the French restaurant because it had more customers. However, the food there turned out to be mediocre. This example demonstrates how people can be swayed by others' choices, leading to an information cascade effect.

6.思维导图

• Information Cascade

  • Definition
  • Influence on choices

• Professor's Example

  • Visiting a new city
  • Dinner options
    • Italian restaurant (highly-rated)
    • French restaurant (more customers)
  • Decision based on others' choices
  • Mediocre food

• Information Cascade Effect

7.关键词

1.子项得分 Delivery: 2 Language Use: 2 Topic Development: 3

2.预估分数

19. 3.表达

在回答中，发音和语速需要改进。有时候，发音不准确导致了拼写错误。此外，适当的停顿也很重要，以便让听众更好地理解你的观点。建议多练习发音和语速，以提高口语表达能力。

4.话题发展 回答在话题发展方面做得相对较好，能够清楚地解释信息级联的概念，并用教授的例子进行了说明。但是，在描述教授的例子时，有些细节描述不准确，例如提到意大利餐厅味道很好，但实际上教授并没有尝试过意大利餐厅。建议在回答时更加关注细节的准确性，并确保提供充足的支持或示例来支持你的观点。

5.语言使用

原文：The term information catheter The term information cascade (改正了单词拼写) means that people follow the decision of major a few (使用了更准确的表达) people without thinking themselves. The professor took himself as an example. He went to New City a new city (修正了语法错误) and didn't know which restaurant tasted good. Then he searched the guidebooks. The guidebooks said that the French restaurant is not really good, but the Italian restaurant is good. When the professor went to Italian restaurant the Italian restaurant (加了定冠词使句子更自然), he found the restaurant was empty, but the French restaurant was crowded. So, he thought that the guidebooks was wrong. Then he went to French restaurant, but French restaurant was not taste really good, but the Italian restaurant taste really good.

修订版（140字）：

The term information cascade means that people follow the decisions of a few individuals without thinking for themselves. The professor shared his own experience in a new city where he was unsure which restaurant to choose for dinner. He consulted a guidebook that recommended an Italian restaurant over a nearby French one. However, when he arrived at the Italian place, it was empty while the French one was crowded. This led him to believe that the guidebook was incorrect. He decided to dine at the French restaurant, but the food was mediocre. In retrospect, he realized that other people likely chose the French restaurant based on its popularity, thus creating an information cascade.

6.思维导图

Information Cascade
├─ Definition
│   └─ Following decisions of a few individuals
├─ Professor's Example
│   ├─ New city
│   ├─ Guidebook recommendations
│   │   ├─ Italian restaurant (good)
│   │   └─ French restaurant (not good)
│   ├─ Observations
│   │   ├─ Italian restaurant (empty)
│   │   └─ French restaurant (crowded)
│   └─ Decision and Result
│       ├─ Chose French restaurant (mediocre food)
│       └─ Realized information cascade occurred

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数 Estimated Score: 23

3.表达 从发音和语速方面来看，这位同学的表达还算流利，但是在某些地方存在一些不必要的停顿。建议同学在练习口语时，注意保持连贯性和语速的稳定，尽量减少不自然的停顿。同时，也要注意提高发音的准确性，以避免拼写错误。

4.话题发展 The speaker provided a coherent response that explained the concept of an information cascade using the professor's example. However, the response could be better organized and more concise. To improve, the speaker should focus on clearly stating the main idea of the information cascade and then directly connecting it to the example given by the professor. Additionally, providing more specific details from the example and explaining how they relate to the concept would strengthen the response.

5.语言使用

Original Answer: The information cascade is a kind of phenomenon that when people face a choice, they will observe the choice made of others and imitate them, and even if it is contradict to the truth they know. The information cascade is a phenomenon in which people, when faced with a choice, observe the decisions made by others and imitate them, even if it contradicts the truth they know. (将句子结构进行了调整，使其更自然流畅) And in the example given by the professor, he mentioned that once he was going to dinner, and he find a guidebook there was two restaurants, an Italian restaurant with a good rating and a French restaurant with a bad rating, In the professor's example, he mentioned that while looking for dinner, he found a guidebook listing two nearby restaurants: an Italian one with a good rating and a French one with a poor rating. (调整了句子结构，改善了语法和词汇的使用) and he noticed that the Italian restaurant is empty and the French restaurant is crowded, He noticed that the Italian restaurant was empty while the French restaurant was crowded. (改进了时态和句子结构) so he thought the guidebook may run, so he thought the guidebook might be wrong, (修正了词汇选择和语法) and he decided to go to the French one, and actually the food there was not so good, and when he was eating, more people get in, they are all attracted by the busy look and react other people's choice. and he decided to try the French one. However, the food there was not very good. As he was eating, more people came in, seemingly attracted by the busy appearance and influenced by others' choices. (调整了句子结构，改善了语法和词汇的使用)

Revised Answer (140 words): The information cascade is a phenomenon in which people, when faced with a choice, observe the decisions made by others and imitate them, even if it contradicts the truth they know. In the professor's example, he mentioned that while looking for dinner, he found a guidebook listing two nearby restaurants: an Italian one with a good rating and a French one with a poor rating. He noticed that the Italian restaurant was empty while the French restaurant was crowded. So he thought the guidebook might be wrong and decided to try the French one. However, the food there was not very good. As he was eating, more people came in, seemingly attracted by the busy appearance and influenced by others' choices. This example illustrates how an information cascade can lead people to make decisions based on others' actions rather than their own knowledge.

6.思维导图

Information Cascade
├─ Phenomenon
│   ├─ Faced with a choice
│   ├─ Observe decisions of others
│   └─ Imitate, even if contradicts truth
└─ Professor's Example
    ├─ Guidebook: Italian (good rating) & French (poor rating) restaurants
    ├─ Observations: Italian (empty) & French (crowded)
    ├─ Decision: French restaurant (influenced by others)
    └─ Result: Mediocre food, more people attracted by busy appearance

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

在这个回答中，发言者的语言流利度和语速基本上是一致的，但是偶尔会有一些停顿。为了提高发言的表达能力，建议发言者在练习时注意以下几点：1)尽量减少不必要的停顿，让语言更加流畅；2)在关键词和短语之间适当地使用连接词，使句子更加连贯；3)注意正确发音，避免因发音不准确而导致的拼写错误。

4.话题发展 从话题发展的角度来看，发言者对于信息级联的概念进行了解释，并通过教授的例子进行了说明。然而，在回答中还可以进一步完善。建议发言者在练习时注意以下几点：1)在描述教授的例子时，可以更详细地说明信息级联是如何在这个情境中体现出来的；2)在给出例子后，可以进一步分析为什么这个例子能很好地说明信息级联的概念；3)在总结时，可以再次强调信息级联的核心观点，使回答更加有说服力。

5.语言使用

Original Answer: Well, information cascade refers to a situation when the decision of a few affect the behavior of a larger group. So people tend to follow the decision of a few, even if they know other option is better. The professor illustrated this concept using his own experience as an example. Last week, he needs to get dinner in a different city. So before arriving the city, he browsed the reviews in a guidebook and he found two restaurants, which is Italian restaurant and French restaurant. In the guidebook, however, Italian restaurant get a higher reviews than the French one. However, when he arrives at the city, he finds that Italian restaurant is empty, whereas the French restaurant is a lot more crowded. So he decided to follow the most people's option and to go to the French restaurant. Turned out to be very mediocre, which means it's not that good.

Corrected Answer: Well, an information cascade refers to a situation when the decisions of a few individuals affect the behavior of a larger group. People tend to follow these decisions, even if they believe another option is better. The professor illustrated this concept using his own experience as an example. Last week, he needed to get dinner in an unfamiliar city. Before arriving in the city, he browsed reviews in a guidebook and found two nearby restaurants: an Italian restaurant and a French restaurant. In the guidebook, however, the Italian restaurant received higher ratings than the French one. When he arrived in the city, he noticed that the Italian restaurant was empty while the French restaurant was much more crowded. Consequently, he decided to follow the majority's choice and went to the French restaurant. It turned out to be quite mediocre, meaning it was not very good.

(原文中的“information cascade”应改为“an information cascade”，因为这是一个特定的概念；“affect”应改为“affects”，使动词与主语一致；“needs”应改为“needed”，使时态一致；“arriving the city”应改为“arriving in the city”，使介词使用正确；“which is Italian restaurant and French restaurant”应改为“an Italian restaurant and a French restaurant”，使语法正确；“get a higher reviews”应改为“received higher ratings”，使动词与名词一致；“arrives at the city”应改为“arrived in the city”，使时态一致；“most people's option”应改为“the majority's choice”，使表达更自然。)

Revised Answer (140 words):

An information cascade refers to a situation when the decisions of a few individuals affect the behavior of a larger group. People tend to follow these decisions, even if they believe another option is better. The professor illustrated this concept using his own experience. Last week, he needed dinner in an unfamiliar city. Before arriving, he browsed reviews in a guidebook and found two nearby restaurants: an Italian restaurant with high ratings and a French restaurant with lower ratings. Upon arrival, he noticed the Italian restaurant was empty while the French one was crowded. Consequently, he followed the majority's choice and went to the French restaurant. It turned out to be quite mediocre, indicating that people chose it based on its popularity rather than its quality, exemplifying an information cascade.

6.思维导图

• Information Cascade

  • Definition
  • People following decisions of a few
  • Even if they believe another option is better

• Professor's Example

  • Unfamiliar city
  • Guidebook with restaurant reviews
  • Italian restaurant (high ratings) vs. French restaurant (lower ratings)
  • Italian restaurant empty, French restaurant crowded
  • Chose French restaurant based on popularity
  • Mediocre experience

• Conclusion

  • Example demonstrates information cascade

7.关键词

1.子项得分

Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，这位同学的口语回答基本上是清晰的，语速适中，偶尔有些停顿。但在某些地方，如“a wine Italian restaurant”和“he go to check the French restaurant”等，需要注意词汇的准确性和语法结构。建议多加练习，提高发音准确性和语言运用能力。

4.话题发展

从话题发展方面来看，这位同学的回答较为完整地阐述了教授的例子与信息级联概念之间的关系。然而，在描述教授选择餐厅的过程时，可以更加简洁明了地表达。例如，可以直接说“教授发现法国餐厅人很多，于是认为它可能比意大利餐厅好”。此外，在最后总结时，可以更明确地指出这个例子说明了信息级联现象。建议在练习中注意提高回答的条理性和逻辑性。

5.语言使用

Original: So the information cascade means that people tend to observe what others are doing. The information cascade refers to people's tendency to observe and imitate others' actions. (信息级联是指人们倾向于观察和模仿他人的行为。)

Original: Sometimes what others are doing even contradict to their own beliefs but they tend to follow the opinion of the larger groups. Sometimes, people follow the majority's opinion even if it contradicts their own beliefs. (有时，即使与自己的信念相悖，人们也会跟随大多数人的意见。)

Original: He checked the website and he found that a wine Italian restaurant got very high reviews and a French restaurant got lower reviews. He checked a guidebook and found that an Italian restaurant had high ratings, while a French restaurant had lower ratings. (他查看了一本指南，并发现一个意大利餐厅评价很高，而一个法国餐厅评价较低。)

Original: But when he walked to the Italian restaurant it is empty there's not a lot of people inside and he go to check the French restaurant. However, when he arrived at the Italian restaurant, it was empty with few customers, so he decided to check out the French restaurant. (然而，当他到达意大利餐厅时，那里空无一人，顾客很少，所以他决定去看看法国餐厅。)

Original: It was crowded so he thought that the French restaurant was better so as there are more people. Since it was crowded, he assumed the French restaurant was better due to the higher number of customers. (由于人很多，他认为法国餐厅更好，因为顾客更多。)

Original: But the dinner was mediocre but people tend to come in continuously when he was eating the dinner and he thought that these new people that come in has the same opinion as him. Although the dinner was mediocre, more people kept coming in while he was eating, and he believed that these newcomers shared his opinion. (尽管晚餐一般，但当他吃饭时，仍然有更多的人陆续进来，他认为这些新来的人和他持有相同的观点。)

Original: He thinks that the busier restaurant the better food it got. He thought that a busier restaurant implied better food quality. (他认为餐厅越繁忙，食物质量越好。)

Original: But the Italian restaurant is still empty. However, the Italian restaurant remained empty. (然而，意大利餐厅仍然空无一人。)

Revised Answer (140 words):

The information cascade refers to people's tendency to observe and imitate others' actions. Sometimes, people follow the majority's opinion even if it contradicts their own beliefs. The professor shared his experience of choosing a restaurant in an unfamiliar city. He checked a guidebook and found that an Italian restaurant had high ratings, while a French restaurant had lower ratings. However, when he arrived at the Italian restaurant, it was empty with few customers, so he decided to check out the French restaurant. Since it was crowded, he assumed the French restaurant was better due to the higher number of customers. Although the dinner was mediocre, more people kept coming in while he was eating, and he believed that these newcomers shared his opinion. He thought that a busier restaurant implied better food quality. However, the Italian restaurant remained empty.

6.思维导图

• Information Cascade

  • Tendency to observe and imitate
  • Following majority's opinion

• Professor's Experience

  • Unfamiliar city
  • Italian restaurant (high ratings)
  • French restaurant (lower ratings)

• Decision-making Process

  • Empty Italian restaurant
  • Crowded French restaurant
  • Assumption: busier = better food quality

• Result

  • Mediocre dinner at French restaurant
  • Continuous influx of customers
  • Italian restaurant remained empty

7.关键词