大多数参与一个新药研究的临床试验是按有序的系列步骤进行的，称之为分期。
Most clinical research that involves the testing of a new drug progresses in an orderly series of steps, called phases.
主导这个研究的临床心理学家Nicki Dowling说，高科技的使用很明显已经影响到了学生们的日常生活，但若称之为一种”瘾“则也许有些过。
Technology use was clearly interfering with the students' daily lives, but it may be going too far to call it an addiction, says Nicki Dowling, a clinical psychologist who led the study.
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