In TOEFL Writing Part 3, professors typically present discussion prompts in one of three formats:
Agree or disagree
Which do you prefer: A or B?
Open-ended questions
On this page, you will focus on practicing the second type, in which you are asked to choose between two options and explain your preference.
Practice Question
Prompt
A professor has posted a question about a topic, and students have responded with their thoughts and ideas. Make a contribution to the discussion.
You will have 10 minutes to write.
Your professor is teaching a class on learning strategies. Write a post responding to the professor’s question.
In your response, you should do the following:
Express and support your opinion.
Make a contribution to the discussion in your own words.
An effective response will contain at least 100 words.
—
Professor
Students adopt different strategies to understand complex subjects. Some learners focus on studying one topic deeply for a long period, while others move between several topics and study them in shorter sessions over time. Both approaches appear frequently in academic settings. Which approach do you think is more effective for learning difficult material: focusing deeply on one topic for a long time, or studying several topics in shorter sessions? Explain your choice.
Student 1
Concentrating on one subject for an extended period can lead to deeper understanding. Spending several hours on the same topic allows learners to follow complex arguments, connect ideas, and remember details more clearly. This approach can be particularly useful in subjects that require sustained attention, such as mathematics or philosophy.
Student 2
Switching between topics in shorter sessions may improve concentration and prevent mental fatigue. Studying the same subject for too long often reduces efficiency. Alternating subjects keeps the mind active and can help learners maintain motivation during long study periods.
Remember that, according to official TOEFL Writing guide video, you don’t necessarily have to address each student’s response. Indeed, if you can express your ideas with more than 100 words, you can simply write that down, and you will still have 5 marks out of 5.
Studying several topics in shorter sessions can be more effective for learning difficult material. A challenging topic often involves complex ideas that require time to process. Returning to the same topic after studying something else allows the mind to reorganize information and notice connections that were not clear before. This pattern became clear while I was trying to understand a difficult concept in physics. After struggling with the idea for a long time, switching to another subject briefly helped reset my attention. When I returned to the physics problem later, the explanation made much more sense. Because complex material benefits from repeated exposure and renewed focus, alternating subjects in shorter sessions can improve understanding.
Beginning of the Response
In an academic discussion task on the TOEFL, the opening sentence should immediately show the writer’s stance. Since the prompt asks which approach is more effective, the response needs to select one option and make that choice clear from the start.
Trying to remain neutral is rarely a good strategy in this task. The time limit is short, and the response length is limited. Attempting to examine both approaches usually results in a paragraph that feels unfocused or incomplete. A clear and direct position allows the writer to develop ideas more efficiently within the available space.
For that reason, the model answer starts by identifying the preferred method right away:
Studying several topics in shorter sessions can be more effective for learning difficult material.
Once the position has been presented, the next objective is to explain why this method works well. In this example, the explanation focuses on how complex subjects are often understood more easily through repeated exposure rather than through a single long study session.
The response then introduces a brief personal example. The writer describes struggling with a difficult idea in physics and explains how stepping away from the topic temporarily helped restore concentration.
After struggling with the idea for a long time, switching to another subject briefly helped reset my attention.
Using this kind of example strengthens the argument because it provides a concrete situation that readers can easily imagine.
Second Part of the Response
After presenting a personal example, the response continues by adding another reason that supports the same claim. Instead of introducing a second story, the writer shifts to a practical explanation related to concentration and cognitive fatigue.
The response explains that long periods of study can reduce mental efficiency, especially when the material is complicated. Alternating subjects can help restore attention and allow the learner to return to the difficult material with a clearer mind. This idea appears in the following part of the response:
This approach also prevents mental fatigue, which is common when dealing with complicated concepts.
The final sentence then summarizes the main benefit of the method. By refreshing attention and revisiting the topic multiple times, shorter study sessions make challenging material easier to understand. This concluding explanation reinforces the writer’s earlier claim and gives the response a clear and logical ending.
Hi, I completed a Master’s program at Purdue University, where I specialized in test design and assessment effectiveness. My academic focus was English-language standardized tests, including the TOEFL, IELTS, ACT, SAT, and GRE. I began writing these articles because, when I was preparing for the SAT and GRE myself, I found few resources that explained the tests in a systematic and practical way. My goal is to create materials in which solving questions naturally builds the background knowledge needed for the exams, helping learners manage both content and strategy more effectively.
