Google 昨天晚上發布了對標ChatGPT 的自己的A.I. chatbot，名字叫Bard。
雖然之前在發布會(hui) 的時候出了差錯讓Google 母公司的市值損失了$100 billion, 但畢竟目前的這些A.I. chatbots 研發的方法論都是基於(yu) Google 當年的論文的，所以Google 的Bard 還是值得期待的。事實上，昨天Alphabet 的股價(jia) 也漲了。
所以不妨看下Bard 和ChatGPT 寫(xie) 出來的文字有什麽(me) 差異。 今天剛好是TOEFL 的考試日，所以我們(men) 就用下今天的TOEFL 獨立寫(xie) 作考場題 題目 20220322 You may choose between two professors who will be teaching a course that you must take at your university. If the following statements are the only information available to you about the differences between the two professors, which professor would you choose? Why?
- One professor was voted most popular in a survey of students about their teachers.
- One professor has just been given an award for outstanding research.
下麵是當直接輸入題目時候兩(liang) 者給的回複 From Bard
Bard 是直接給了3個(ge) Drafts 的回答，ChatGPT 也可以生成不同的回複，點擊“Regenerate response” 就好 From ChatGPT
目前的這兩(liang) 個(ge) 回複，從(cong) TOEFL 考試的標準來說，都還是不夠好的，因為(wei) 都隻是觀點，不夠有細節展開。 然後我讓Bard 和ChatGPT 都進一步展開下自己的回答
From Bard [總字數 316]
When choosing a professor for a class, there are many factors to consider. Some students might prioritize a professor's research experience, while others might prefer a professor who is known for being an engaging lecturer. Ultimately, the decision of which professor to choose is a personal one. However, there are some factors that can help students make an informed decision. One factor that is worth considering is the professor's popularity with students. A popular professor is likely to be a good teacher, as they are able to connect with students and make the material interesting. This is because popular professors are often seen as being approachable and helpful. They are also more likely to create a positive and enjoyable learning environment. This can make a big difference in how much students learn and how much they enjoy their time at university. Another factor to consider is the professor's research experience. A professor who has a lot of research experience is likely to be an expert in their field. This can be helpful for students who are interested in pursuing a career in academia or who want to learn more about a particular topic. However, it is important to remember that research and teaching are different skills. Just because a professor is an excellent researcher does not mean that they are also an excellent teacher. In fact, some professors who are excellent researchers are not very effective teachers.
Finally, it is important to consider the professor's teaching style. Some professors are more lecture-based, while others are more discussion-based. Some professors are more traditional, while others are more innovative. It is important to find a professor whose teaching style is a good fit for your learning style.
[對於(yu) 考試來說，建議不要寫(xie) 這一段，因為(wei) teaching style 不是題目討論的內(nei) 容； 除非建立起來了teaching style 和popular 或者research 之間的關(guan) 係]
Ultimately, the decision of which professor to choose is a personal one. However, by considering the factors above, students can make an informed decision about who to take a class with.
From ChatGPT [總字數 371]
The professor who was voted most popular by students may have several advantages. Firstly, being popular with students suggests that they are likely to be an engaging and effective teacher who can effectively communicate their subject matter. It is also possible that they have a teaching style that resonates with students, making the learning experience enjoyable and effective. Additionally, a popular professor may be someone who is accessible and approachable, making it easier for students to seek help or ask questions. However, there are also potential drawbacks to choosing the popular professor. Popular does not necessarily mean that the professor is the most knowledgeable or qualified to teach the subject matter. In some cases, popularity may be the result of a professor having an easy grading policy or a low workload, which may not necessarily be beneficial to students in the long run. Additionally, popularity may be driven by factors outside of the classroom, such as the professor being well-liked personally or having a reputation for being lenient. On the other hand, the professor who has just received an award for outstanding research may also have several advantages. Firstly, their research accolades may mean that they are up-to-date on the latest developments in the field, and may be able to bring cutting-edge research into the classroom. This could provide students with a unique and valuable learning experience. Additionally, an award-winning professor may be someone who is passionate about their subject matter, which could translate into an engaging and inspiring teaching style. However, there are also potential drawbacks to choosing the research-focused professor. Firstly, a professor who is heavily focused on research may not necessarily have the same level of skill and experience in teaching as a professor who prioritizes teaching effectiveness. Additionally, It is also possible that a professor who is highly focused on research may prioritize their own work over their students' learning, which could result in a less engaging or effective classroom experience. In summary, both the popularity of a professor among students and their research accomplishments could be relevant factors in your decision, but there are potential drawbacks and limitations to both approaches. Ultimately, your choice may depend on your own priorities and learning goals for the course.
相比於(yu) 最初的回答上麵的版本已經有一定的展開了，但實際上細節還不是很多，還是觀點為(wei) 主，上麵的藍色部分更多還是觀點句。ChatGPT 的相對字數多（371>316）也不是細節展開多，隻是觀點多了些罷了。
兩(liang) 者的細節展開能力到底怎麽(me) 樣呢？ 最後的一個(ge) 比較是針對某一個(ge) 段落去展開例子的能力。 段落是之前Bard 生成的一個(ge) 段落。
下麵是 Bard 給的例子 【406 words】
A professor with a lot of research experience can be a great asset to a class. They can share their knowledge and expertise with students, and they can help students to understand the material in a deeper way. However, it is important to remember that research and teaching are different skills. Just because a professor is an excellent researcher does not mean that they are also an excellent teacher. In fact, some professors who are excellent researchers are not very effective teachers. There are a few reasons why a professor who is an excellent researcher might not be an excellent teacher.
First, research and teaching require different skills. Research is about finding new information, while teaching is about sharing information with others.
Second, research and teaching require different motivations. Researchers are motivated by the desire to learn new things, while teachers are motivated by the desire to help others learn.
Third, research and teaching require different time commitments. Research can be a long and time-consuming process, while teaching requires a commitment to being available to students on a regular basis.
【這一段都是說理】
Despite the fact that research and teaching are different skills, there are some professors who are able to do both well. These professors are able to combine their love of research with their passion for teaching. They are able to find new ways to share their knowledge with students, and they are able to help students to understand the material in a deeper way.
If you are looking for a professor who is an excellent researcher, there are a few things you can do. First, you can look for professors who have a lot of publications. Second, you can look for professors who have won awards for their research. Third, you can look for professors who are well-respected in their field. If you are looking for a professor who is an excellent teacher, there are a few things you can do. First, you can look for professors who have received positive reviews from students. Second, you can look for professors who are known for being approachable and helpful. Third, you can look for professors who are passionate about teaching.【這些和討論的話題關(guan) 係不大】
Ultimately, the best way to find a professor who is both an excellent researcher and an excellent teacher is to talk to other students and to read reviews of professors. By doing this, you can get a sense of what other students have experienced with particular professors.
下麵是ChatGPT 給的例子 【340 words】
Research experience can be an important factor to consider when choosing a professor for a course. For example, let's say you are interested in a course on neuroscience. A professor who has published many papers in neuroscience journals, has received research grants, and has presented their work at national and international conferences would likely have a lot of research experience in the field. This experience could be valuable if you are interested in pursuing a career in neuroscience research, as the professor may be able to provide guidance and advice on the path to becoming a researcher. However, it is important to keep in mind that research and teaching are different skills. A professor who is an expert in their field may not necessarily be skilled at explaining complex concepts to students or creating an engaging classroom environment. For example, a professor who is a brilliant theoretical physicist may struggle to communicate their ideas to undergraduate students who have little background in the subject matter. Additionally, some professors who are focused on their research may not have as much time or energy to devote to teaching, which could lead to a less engaging or effective classroom experience. In some cases, a professor's research experience may even detract from their teaching effectiveness. For example, a professor who is highly focused on their research may assume that students have a certain level of background knowledge or understanding, and may not take the time to explain concepts in a way that is accessible to all students. Alternatively, a professor who is highly focused on their research may be less willing to spend time on teaching-related tasks such as grading assignments or answering student questions outside of class. Overall, while research experience can be a valuable asset for a professor, it is important to keep in mind that teaching and research are separate skills. When choosing a professor for a course, it may be helpful to consider both their research experience and their teaching effectiveness, as well as your own learning goals and preferences.
在這個(ge) 任務的完成上，兩(liang) 者的差異非常明顯。 雖然這個(ge) 原始段落是Bard 寫(xie) 的，但是Bard 的回答裏絲(si) 毫沒有舉(ju) 例子的痕跡了，而ChatGPT 每段都有針對性的有細節的例子。
總結
單純從(cong) 上麵的使用比較來看，ChatGPT 生成的文字會(hui) 更為(wei) 符合要求些，寫(xie) 作質量也更好些。Bard 從(cong) 今天下午的使用體(ti) 驗來看，在同一網路的情況下，使用穩定度比ChatGPT 好，當然這也可能是用戶基數還沒那麽(me) 大的原因。
另外值得一提的是，目前這一代的Chatbot 都還在學習(xi) 進步的過程中，ChatGPT 麵世的比Bard 久了，相對解決(jue) 的客戶問題也多些，隻是市場不會(hui) 考慮這麽(me) 多，Bard 如果不能加速趕上的話，選擇ChatGPT 的就會(hui) 持續的比較多。
對於(yu) 我們(men) 學習(xi) 語言來說，用一個(ge) 下午的體(ti) 驗就說ChatGPT 是更好的，顯然有失公允。 Bard 生成的文字易讀性也是很好的。 後續用更久一段時間了，再和大家分享。
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