The purpose of this study is to identify the use(or not)of diagrams when solving problems of multiplicative comparison in eighth-grade students of the Rafael Antonio Moreno secondary school located in Macaracas,provin...The purpose of this study is to identify the use(or not)of diagrams when solving problems of multiplicative comparison in eighth-grade students of the Rafael Antonio Moreno secondary school located in Macaracas,province of Los Santos-Panama.The methodology used is mixed and descriptive with a non-experimental design.As an instrument,a written test consisting of two parts(part a and part b)is prepared,which is applied to eighth-grade students who take the mathematics subject of said study center.展开更多
Sketches and diagrams are sometimes useful in problem solving.For example,four runners are in a one-mile race:A,B,C,and D.Points are awarded only to the person finishing first or sec- ond.The first-place winner get...Sketches and diagrams are sometimes useful in problem solving.For example,four runners are in a one-mile race:A,B,C,and D.Points are awarded only to the person finishing first or sec- ond.The first-place winner gets more points than the second-place winner.How many different arrangements of first-and second-place winner are possible?展开更多
提出了一种将约束理论(theory of constraints ,TOC)与创造性解决问题的理论(theo-ry of inventive problemsolving,TRIZ)相结合的产品概念设计方法.TRIZ是一种产生创新性设计思路的方法,而TOC能帮助产品设计人员识别产品设计中关键问题...提出了一种将约束理论(theory of constraints ,TOC)与创造性解决问题的理论(theo-ry of inventive problemsolving,TRIZ)相结合的产品概念设计方法.TRIZ是一种产生创新性设计思路的方法,而TOC能帮助产品设计人员识别产品设计中关键问题.汽车气囊设计的应用实例结果说明,所提出的方法能有效地指导产品设计人员完成产品的概念设计.展开更多
协作学习的设计一直是个理论难题,我们不清楚协作学习的具体方案何以具有目标—手段一致性以及那些设计要素何以会转化为令人满意的协作活动。与DBR(Design Based Research)不同,DCR(Design Centered Research)关注的是知识收获。文章在...协作学习的设计一直是个理论难题,我们不清楚协作学习的具体方案何以具有目标—手段一致性以及那些设计要素何以会转化为令人满意的协作活动。与DBR(Design Based Research)不同,DCR(Design Centered Research)关注的是知识收获。文章在DCR视野下,通过一项个案研究,初步确证了这样一组问题解决类协作学习的设计知识:(1)协作学习的设计方案由任务呈现、协作过程、成果呈现以及过程支架组成;(2)扩展的FC知识图不但可以用来设计问题,还可以用来设计协作过程的支架,是检查目标—手段一致性的重要工具。为了确证上述知识,本个案研究初次采用学习过程机制图来表征真实发生的协作过程。学习过程机制图主要用来判断协作学习方案中的那些设计要素是否转化为令人满意的协作活动。展开更多
文摘The purpose of this study is to identify the use(or not)of diagrams when solving problems of multiplicative comparison in eighth-grade students of the Rafael Antonio Moreno secondary school located in Macaracas,province of Los Santos-Panama.The methodology used is mixed and descriptive with a non-experimental design.As an instrument,a written test consisting of two parts(part a and part b)is prepared,which is applied to eighth-grade students who take the mathematics subject of said study center.
文摘Sketches and diagrams are sometimes useful in problem solving.For example,four runners are in a one-mile race:A,B,C,and D.Points are awarded only to the person finishing first or sec- ond.The first-place winner gets more points than the second-place winner.How many different arrangements of first-and second-place winner are possible?
文摘提出了一种将约束理论(theory of constraints ,TOC)与创造性解决问题的理论(theo-ry of inventive problemsolving,TRIZ)相结合的产品概念设计方法.TRIZ是一种产生创新性设计思路的方法,而TOC能帮助产品设计人员识别产品设计中关键问题.汽车气囊设计的应用实例结果说明,所提出的方法能有效地指导产品设计人员完成产品的概念设计.
文摘协作学习的设计一直是个理论难题,我们不清楚协作学习的具体方案何以具有目标—手段一致性以及那些设计要素何以会转化为令人满意的协作活动。与DBR(Design Based Research)不同,DCR(Design Centered Research)关注的是知识收获。文章在DCR视野下,通过一项个案研究,初步确证了这样一组问题解决类协作学习的设计知识:(1)协作学习的设计方案由任务呈现、协作过程、成果呈现以及过程支架组成;(2)扩展的FC知识图不但可以用来设计问题,还可以用来设计协作过程的支架,是检查目标—手段一致性的重要工具。为了确证上述知识,本个案研究初次采用学习过程机制图来表征真实发生的协作过程。学习过程机制图主要用来判断协作学习方案中的那些设计要素是否转化为令人满意的协作活动。