1. Tolerance: need for increased use of the technologies over time.
2. Withdrawal: emotionally intense discomfort when going an unusual length of time without using the technology or when
use is disrupted.
3. Greater use than intended when beginning a session.
4. Desire to stop the use of the technology without being able to do so.
5. Spending too much time engaged in activities related to the technologies.
6. Stopping other activities in order to increase use of the Internet, mobile phones, or video-games.
7. Continued use of the Internet, mobile phones, or video-games despite an awareness that such use is causing damage.