开放式PBL教学法的仪器分析实验教学改革.pdfVIP免费

ISSN1672-4305CN12-1352/N实验室科学LABORATORYSCIENCE第26卷第5期2023年10月Vol.26No.5Oct.2023开放式PBL教学法的仪器分析实验教学改革陈红云,李国然(南开大学材料科学与工程学院;化学国家级实验教学示范中心,天津300350)摘要:仪器分析实验课程是理工科专业的重要核心课程,是一门理论和技术并重的课程。将传统PBL教学法进行“开放、自主、多元”改革,介绍了问题设计、实验组织、考核评价三个方面的教学模式改革,提出“学生提问题,教师控质量”新的问题来源方式,向学生开放实验设计权限,制定形成性评价机制,并以“ICP-OES测镍钴锰酸锂三元电极材料中杂质钠的含量”为例介绍开放式PBL教学法的应用。实践结果表明,该模式有效提高了学生在课堂内外的参与度,明确了学生的学习目标,提升学生学习内驱力,深化学生对仪器的理解,提升学生创新能力和综合素质。关键词:仪器分析实验;开放式PBL教学法;学习动力;形成性评价中图分类号:O657.31文献标识码:Adoi:10.3969/j.issn.1672-4305.2023.05.022TeachingreformofinstrumentalanalysisexperimentbasedonopenPBLmethodCHENHongyun,LIGuoran(SchoolofMaterialsScienceandEngineering;NationalDemonstrationCenterforExperimentalChem-istryEducation,NankaiUniversity,Tianjin300350,China)Abstract:Theinstrumentalanalysisexperimentcourseisanimportantcorecourseforscienceanden-gineeringmajors,anditisacoursethatemphasizesboththeoryandtechnology.Inthispaper,thetra-ditionalPBLteachingmethodisreformedtobe“open,independentanddiversified”,andtheteachingmodereforminthreeaspects:problemdesign,experimentorganization,andassessmentandevaluationisintroducedindetail.Putforwardanewquestionsourcewayof“studentsaskingquestionsindepend-entlyandteacherscontrollingthequalityresponsibly”,openexperimentaldesignpermissionstostudents,formulateformativeevaluationmechanisms.Taking“ICP-OEStomeasurethecontentofim-puritysodiuminnickelcobaltmanganeseoxideternaryelectrodematerials”asanexampletointroducetheapplicationofopenPBLteachingmethod.Ourpracticehasshownthatthismodeleffectivelycanimprovestudents􀆳participationinandoutsidetheclassroom,clarifystudents􀆳learninggoals,enhancestudents􀆳learningdrive,deepensstudents’understandingofinstruments,andpro...