A Swedish analysis of 16 studies in the journal Occupational and Environmental Medicine showed a doubling of risk for acoustic neuroma and glioma after 10 years of heavy cellphone use.
Research two: we have the initial questionnaire surveyed, and conduct exploratory factor analysis, then develop the formal questionnaire of occupational commitment.
研究二主要是将预测问卷进行施测，并对调查结果进行探索性因子分析，得出职业承诺的正式施测问卷。
3
Analysis of occupational stress for librarians in universities and looking for management measures to alleviate and relieve these pressures has great realistic significance.