Question

students krishnan and matthew fernandez were inspired by a movie. they saw a robot that could detect when a person was getting upset. krishnan and fernandez examined current technology. they discovered some robots could really do this. the students then developed their own program using over 18,000 files of human speech. the voices expressed several different emotions. the teens program identifies emotion in the speakers voice. it can correctly recognize emotions 6 out of 10 times. the old program was correct only 4 out of 10 times. krishnan and fernandez believe that their work could be used in computer phone programs. it would allow the computer to determine if a caller is becoming angry. do it! 4 the students ______ the technology. a improved b described c ignored d doubted

Explanation:

To solve this fill - in - the - blank question, we analyze the context. The passage says that the students developed their own program and compared it with the old program. Their program had a higher accuracy (6 out of 10 times correct compared to the old program's 4 out of 10 times correct). So the students made the technology better, which means they "improved" it. Let's analyze the other options:

• Option B "described" means to give a description of something. But the students didn't just describe the technology; they made it better, so B is wrong.
• Option C "ignored" means to pay no attention to. The students were working on the technology, so they didn't ignore it, C is wrong.
• Option D "doubted" means to be uncertain about. The students were trying to enhance the technology, not doubt it, so D is wrong.

Answer:

A. improved