在此样本中，有279人（93％）回答说他们在课堂上玩手机。我们调查了在

In this sample, 279 people (93%) answered that they played mobile phones in class. We investigated the frequency of using mobile phones in class. Among them, 49 people play within 5 minutes, 79 people play 5-15 minutes, 126 people play 15-30 minutes, 46 people play mobile phones for more than 30 minutes or even the whole class, accounting for 16.33%, respectively. 26.33%, 42% and 15.33%. According to this survey, we can conclude that the phenomenon of playing mobile phones in the classroom is very common and can even become a part of daily life. Therefore, we also conducted a related questionnaire survey and found that about 76% of people think that the teacher's class is boring and the learning progress is difficult to keep up, so they will choose to play mobile phones to kill time. Another 15% said that they chose to play on mobile phones in class because they would chat with other people, such as chatting with people they care about. The remaining 9% believe that playing mobile phones in class is harmless. Regarding the type of mobile phone use, we also conducted a questionnaire survey and found that about 46% of people are accustomed to chatting in class, and 27% are accustomed to watching videos in class.

In this sample, 279 people (93%) replied that they played with their cell phones in class. We investigated how often we use our cell phones in class. Among them, play within 5 minutes of 49 people, play 5-15 minutes of 79 people, play 15-30 minutes of 126 people, play mobile phones for more than 30 minutes or even the whole class of 46 people, accounting for 16.33 percent, 26.33 percent, 42 percent and 15.33 percent, respectively. Based on this survey, we can conclude that playing with mobile phones in class is very common and can even be a part of everyday life. As a result, we also conducted an associated survey and found that about 76% of people thought their teacher's class was boring and difficult to keep up with, so they chose to play with their cell phones to kill time. Another 15 percent said they chose to play with their phones in class because they would chat with others, such as people they cared about. The remaining 9 percent thought it would be harmless to play with a cell phone in class. We also surveyed about 46 percent of people who used to chat in class and 27 percent who used to watch videos in class.

In this sample, 279 people (93%) responded that they played with mobile phones in class. We investigated the frequency of using mobile phones in class. Among them, 49 people played less than 5 minutes, 79 people played 5-15 minutes, 126 people played 15-30 minutes, 46 people played mobile phones for more than 30 minutes or even the whole class, accounting for 16.33%, 26.33%, 42% and 15.33% respectively. According to the survey, we can draw a conclusion that playing mobile phones in class is very common, even can become a part of daily life. Therefore, we also conducted a related questionnaire survey, found that about 76% of the people think that the teacher's class is boring and learning progress is difficult to keep up, so they will choose to play mobile phones to kill time. Another 15% said they chose to play mobile phones in class because they would chat with other people, such as those they care about. The remaining 9% thought it was harmless to play with mobile phones in class. We also conducted a questionnaire survey on the types of mobile phone use, and found that about 46% of the people are used to chatting in class, while 27% are used to watching videos in class.<br>