填空题 Psychologists have been studying {{U}} {{U}} 1 {{/U}} {{/U}}Internet use since the late 1990s. Brenner's subjects reported an {{U}} {{U}} 2 {{/U}} {{/U}}of 19 hours per week of Internet use. Many reported up to 10 {{U}} {{U}} 3 {{/U}} {{/U}}of interference in {{U}} {{U}} 4 {{/U}} {{/U}}functioning, {{U}} {{U}} 5 {{/U}} {{/U}}failure to manage time, missing sleep, or missing meals. A surprising result is that 80% of the {{U}} {{U}} 6 {{/U}} {{/U}}reported at least five of these signs. These numbers suggest that the {{U}} {{U}} 7 {{/U}} {{/U}}of some level of these problems should not be considered {{U}} {{U}} 8 {{/U}} {{/U}}.
Kathleen Scherer studied 531 students at the University of Texas at Austin and 381 of them were studied further. "{{U}} {{U}} 9 {{/U}} {{/U}}" users averaged only 11 hours per week online. Janet Morahan-Martin and Phyllis Schumaker surveyed {{U}} {{U}} 10 {{/U}} {{/U}}college students and {{U}} {{U}} 11 {{/U}} {{/U}}pathological use by {{U}} {{U}} 12 {{/U}} {{/U}}a 13-item {{U}} {{U}} 13 {{/U}} {{/U}}which {{U}} {{U}} 14 {{/U}} {{/U}}evidence that the Internet was causing personal problems, {{U}} {{U}} 15 {{/U}} {{/U}}symptoms and mood {{U}} {{U}} 16 {{/U}} {{/U}}use. According to their research, pathological users averaged {{U}} {{U}} 17 {{/U}} {{/U}}hours of Internet use per week.
Pathological users reported significantly more {{U}} {{U}} 18 {{/U}} {{/U}}, used online games more than other users, and they also used more technologically {{U}} {{U}} 19 {{/U}} {{/U}}aspects of the Net more than other students. When is Internet use pathological? The simple answer: when it gets in the way of the rest of your life. Addictions involve {{U}} {{U}} 20 {{/U}} {{/U}}use despite harm.