Chen Internet Addiction Scale

I was told more than once that I spend too much time online.

I feel uneasy once I stop going online for a certain period of time.

I find that I have been spending longer and longer periods of time online.

I feel restless and irritable when the Internet is disconnected or unavailable.

I feel energized online.

I stay online for longer periods of time than intended.

Although using the Internet has negatively affected my relationships, the amount of time I spend online has not decreased.

More than once, I have slept less than four hours due to being online.

I have increased substantially the amount of time I spend online.

I feel distressed or down when I stop using the Internet for a certain period of time.

I fail to control the impulse to log on.

I find myself going online instead of spending time with friends.

I get backaches or other physical discomforts from spending time surfing the net.

Going online is the first thought I have when I wake up each morning.

Going online has negatively affected my schoolwork or job performance.

I feel like I am missing something if I don’t go online for a certain period of time.

My interactions with family members have decreased as a result of Internet use.

My recreational activities have decreased as a result of Internet use.

I fail to control the impulse to go back online after logging off for other work.

My life would be joyless without the Internet.

Surfing the Internet has negatively affected my physical health.

I have tried to spend less time online but have been unsuccessful.

I make it a habit to sleep less so that more time can be spent online.

I need to spend an increasing amount of time online to achieve the same satisfaction as before.

I fail to have meals on time because of using the Internet.

I feel tired during the day because of using the Internet late at night.