How much time do you spend on your mobile phone each day?
Within half an hour
0.5 to 1 hour
1 hour to 3 hours
more than 3 hours
Before going to bed will see mobile phone?
You use the mobile phone in class?
Your monthly phone most expensive is it?
Internet traffic charges(流量费用)
Calls
Information costs(信息费用）
You can accept the purchase price is more than a small cell phone?（你能接受的手机价格是多少）
Within 1000
1000 to 2000
2000 to 3000
More than 3000
What are the requirments for a mobile phone?（你对手机的要求）（多选）
Quality（质量）
brand（商标）
Function（功能）
Price
Pixel（像素）
Sound
If you forgot to bring the mobile phone ,how do you feel?（如果你忘记带手机，你的感觉是？）
Boredom and emptiness(无聊和空虚）
It is not convenient to contact with other（不方便与他人联系）
It don't matter
As if something is missing
What is your monthly mobile phone bill?（每月账单)
less than 20 yuan
20-50 yuan
51-80 yuan
81-100 yuan
more than 100 yuan
Which function do you use often?（你经常使用哪些功能？）（多选）
making phone calls（打电话）
sending short massages（发送短信）
surfing the Internet（上网）
taking pictures（拍照）
watching movies
listening to the music
What is the positive influence of using mobile phone for you?（多选）
make interpersonal communication convenient（使人际交往方便）
get information fast（快速获取信息）
enrich the daily entertainment（丰富日常娱乐）
improve the efficiecy of work and study（提高工作和学习效率）
What is the negative influence of using mobile phone for you?（多选）
cost too much time
a gradual increase in the daily cost of the phone(在手机上花费的越来越多了）
health affected（影响健康）
decreased attention to study and work（学习和工作的注意力下降）
mobile phone addiction emerges（对手机出现依赖的现象）
loneliness increases（孤独感增加了）