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Objective:To carry out opening experiments on occupational health and occupational medicine for students majoring in preventive medicine, reform the experimental teaching mode, and explore the teaching methods to improve students' professional quality and scientific research ability.Methods:Opening experiments were carried out in the experimental course of occupational health and occupational medicine for students of preventive medicine major. A total of 147 students majoring in preventive medicine of Batch 2016 were classified as the control group, and the routine confirmatory experiment was carried out in the group; 176 students majoring in preventive medicine of Batch 2017 were classified as the experimental group, and this group carried out opening experiment. The evaluation was made from three aspects: comprehensive evaluation results, teacher self-evaluation and student satisfaction survey. SPSS 22.0 software was used for analysis and comparison by independent-samples t-test and Chi-square test. Results:The theoretical scores of the experimental group and the control group students were (84.37±10.45) vs. (81.44±9.22) ( t=2.68, P=0.008), and the experimental skills scores were (93.66±3.89) vs. (88.41±5.67) ( t=9.51, P<0.001). Questionnaire investigation showed that the students in the opening experimental group were more satisfied with the courses arrangement ( χ2=8.31, P=0.004), group cooperation ( χ2=21.10, P<0.001), assessment form ( χ2 =7.92, P=0.005), improvement of the writing ability of scientific research papers ( χ2 =17.56, P<0.001), improvement of practical skills ( χ2=11.70, P=0.001), logical thinking, language organization and expression ability ( χ2=10.33, P=0.001). They considered the opening experiment was helpful to cultivate innovative thinking and ability, but it had limited effect on the cultivation of employment advantages. And the students considered the opening experiments of setting up professional courses was sufficient and necessary. Conclusion:Carrying out opening experiments for students majoring in preventive medicine is helpful to improve students' professional quality and cultivate their practical ability and scientific research ability.
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According to the three orientation cultivating mode,in order to improve quality of experiment teaching in pathogen biology and cultivate innovative talents of medicine the open experi-ment teaching which based on the research projects is applied to optimize the experiment content design, teaching form and comprehensive assessment. For example, In the choice of subject direction more attention are paid to the students' autonomy; In the design of experiment content students' inter-ests should be fully considered;During the course of experiments, the teachers play the role of visitors most of the time; In the experiment evaluation, students' ability of solving problems and their innova-tive ability are included. By participating in research projects, it not only can arouse the enthusiasm of students, but also can cultivate their scientific spirit of innovation and the rigorous scientific attitude.
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The article explored the feasibility,implementation procedure,effects evaluation,existing problems and future improvements on introducing conditional-opening-experiment(COE) in experiment teaching of hygiene analysis.The results indicated that COE could culture the practical operation ability,cooperation ability,overall situation consciousness and responsibility of students in many ways,although it still needed improvements.It promoted students'study enthusiasm,initiative consciousness and their participation and strengthened the harmony relationships between students and teachers.
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To explore new teaching method of functional experiment,we opened the functional laboratory to encourage students' creativity and train their practical ability and develop their innovative ability.The experiment teaching innovation was attempted and discussed the functional speciality.