Which of the following is a disadvantage of teaching machine?

The insurance of attention
Their universal use for different kinds of programmes
The tracking of errors
All of these

The correct answer is D. All of these.

Teaching machines are devices that present educational content to students in a systematic and interactive way. They can be used to teach a variety of subjects, including math, science, and language arts.

There are several advantages to using teaching machines. First, they can provide students with individualized instruction. This is especially beneficial for students who are struggling in a particular subject or who need extra help to keep up with the class. Second, teaching machines can provide students with immediate feedback on their work. This can help students to identify and correct their mistakes, and it can also help them to learn more effectively. Third, teaching machines can be used to provide students with practice exercises. This can help students to master the material that they are learning, and it can also help them to prepare for exams.

However, there are also some disadvantages to using teaching machines. First, they can be expensive to purchase and maintain. Second, they can be difficult to use for students who have learning disabilities or who are not comfortable using computers. Third, they can be impersonal, and they can sometimes lead to students feeling isolated from their classmates.

Overall, teaching machines can be a valuable tool for education. However, it is important to be aware of the potential disadvantages before using them.

Here is a brief explanation of each option:

  • Option A: The insurance of attention. Teaching machines can be effective in ensuring that students pay attention to the material that they are learning. However, they can also be boring for some students, and they may not be able to hold the attention of all students for long periods of time.
  • Option B: Their universal use for different kinds of programmes. Teaching machines can be used to teach a variety of subjects. However, they may not be the best tool for teaching all subjects. For example, they may not be as effective for teaching subjects that require a lot of creativity or critical thinking.
  • Option C: The tracking of errors. Teaching machines can track the errors that students make. This can be helpful for students who need extra help to identify and correct their mistakes. However, it can also be frustrating for students who make a lot of mistakes, and it can sometimes lead to students feeling discouraged.