Teaching Hadoop Using Role Play Games     

Zhiguo Yang  Xiang Guo 《Decision Sciences Journal of Innovative Education》2020,18(1):6-21

Hadoop is a well‐known big data system and a subject covered in many big data courses. This article describes two role play games for teaching the two fundamental components in the Hadoop framework, MapReduce and Hadoop Distributed File System (HDFS). In the games, students form teams and play different roles as a part of a Hadoop cluster. The games are designed to let students collaborate with peers in the same way as MapReduce and HDFS components collaborate to perform computing jobs in a Hadoop cluster. Utilizing a computer communication channel, the games are designed to let students quickly and effectively understand typical MapReduce and HDFS operations. Survey results from students in two big data classes show that the games effectively improve learning outcome in understanding MapReduce and HDFS workflow and the Hadoop framework in general. Students appear more engaged in class activities and communicate with peers more often.  相似文献   

The role conflict of the child protective service worker: investigator-helper     

Kay Drews 《Child abuse & neglect》1980,4(4):247-254

Role conflict stems from the established authoritarian role assigned to child protective service workers in addition to their helping role. Workers must conduct investigations, make a determination as to whether cases are founded or unfounded, confront the parents with those findings then tell the family they are there to help. Few workers are convinced that parents see this type of intervention as helpful.Overcoming these doubts and conflicts is not easy. High worker turnover and burnout can often be attributed to the workers not having been given the opportunity to deal with these conflicts. This paper presents five options which if utilized could lessen role confusion: (1) separating the functions of intake and ongoing services; (2) strengthen training and supervisory support; (3) formation of multidicipline teams; (4) unit staffing of cases; and (5) using police for investigations.  相似文献   

试论虚拟经济及其对现代经济的影响     

黄忠平  卢家宝 《乌鲁木齐职业大学学报》2002,11(2):74-77

虚拟经济作为一个独立的经济学概念,最早产生于十九世纪,自由资本主义时期。在20世纪80年代以前,虚经济无论从规模,还是从表现形式都远逊于实体经济。20世纪80年代以来,世界经济的格局发生了巨大的变化,主要工业国家和新兴市场国家的虚拟经济得到了极大的发展,虚拟经济规模急剧增大。资本的虚拟化程度越来越高,虚拟资本的形式也越来越丰富。虚拟经济日益成为现代经济中一个决定性的组成部分,其经济学内涵和外延得到了空前的拓展。本文试图从经济学角度总结虚拟经济的内涵,表现特征以及主要存在形式。分析虚拟经济对现代经济的积极作用和消极影响。针对现阶段我国宏观经济现状,探讨如何不失时机地发展虚拟经济,防范和控制我国经济的泡沫风险,保障经济快速、健康、持久地发展。  相似文献   

对教师教育研究及能力建构的思考   总被引：3，自引：0，他引：3  

金江熙 《教育科学》2006,22(2):62-64

在现代社会发展和教育改革发展的背景下,教育与科研的联系越来越紧密,教师应当而且必须成为研究者,这不仅有利于教育教学质量的提高,更有利于教师的专业成长。本文立足于教师是教育研究的主体,着重分析了教师教育研究的特点及能力的形成与建构。  相似文献   

实行股权多元化与财政在国企改制中的作用     

景红卫 《洛阳工业高等专科学校学报》2002,12(1):45-46

概括分析了我国国企改革、建立现代企业制度即公司制中存在的产权结构问题,论述了实行股权多元化与实现我国国企改革目标的必然联系,提出了财政在其中履行的职能.  相似文献   

Facilitating democratic professional development: exploring the double role of being an academic action researcher     

Anette Olin  Gunilla Karlberg-Granlund  Eli Moksnes Furu 《Educational Action Research》2016,24(3):424-441

Abstract

This article focuses on the double role of the academic action researcher working as facilitator and researcher in democratic professional development projects. The inquiry is based on three partnership projects: ‘research circles’ in Sweden, ‘dialogue conferences’ in Norway and ‘tailored professional development’ in Finland. In a self-study and through the lens of practice architectures, we, as action researchers, explore how our practices are enabled and constrained in, as well as are enabling and constraining, professional development partnerships with teachers and educational leaders. A critical perspective is provided on how and what democratic practices evolve. The inquiry opens up understandings about how the academic action researcher’s practices entails multi-faceted ways of working to be able to accomplish different and somehow contradictory objectives, yet at the same time enacting democratic working methods. Furthermore, the act of recognition as a connecting aspect between prefiguring arrangements and evolving practices will be elaborated on to supplement perspectives offered by the theory of practice architectures.  相似文献   

Internationalization of Canadian Agriculture: Policy and Governing Paradigms     

Warren Hunt 《The Journal of Agricultural Education and Extension》2013,19(1):95-96

Abstract

Purpose: To identify various organizational climatic factors responsible for role performances of veterinary officers in Andhra Pradesh, India.

Design/methodology/approach: Study was conducted in 11 selected districts. Data were collected from 220 respondents through a pretested interview schedule and subjected to correlation and multiple regression to draw valid inferences. Organizational climate was measured by using the index specially prepared for the study.

Findings: Around 76% of the respondents perceived that the organizational climate prevailing in the department of animal husbandry was favorable. Leadership, teamwork and trust had significant contribution towards perception of organizational climate. The respondents were least satisfied with motivation, decision-making and goal setting components of the organizational climate. The model with seven variables out of 16 independent variables was a good fit with R square of 85.59%. Work motivation, persistence disposition, participativeness, job satisfaction, physical facilities availability and timeliness of availability of facilities were found to have significant positive influence while job stress had significant negative influence on perceived organizational climate.

Practical implications: This investigation has an organizational and social significance for development of livestock organizations not only in India, but also to other SAARC countries as well.

Originality/value: No empirical evidence on inter-relation between organizational climate and job performance of veterinarians is available at present in Andhra Pradesh.  相似文献   

The Push and Pull of Stepfamily Life: The Contribution of Stepchildren's Autonomy and Connection-Seeking Behaviors to Role Development in Stepfamilies     

Rebecca B. Speer 《Communication Studies》2013,64(4):377-394

Role negotiation in stepfamilies is an important process that involves and affects all family members. Although researchers have focused on stepparent role development and the influence of stepparents' behaviors, less attention has been given to the influence and experience of stepchildren in role development. This investigation examined the contribution of stepchildren to the type of stepparent roles developed in stepfamilies, as well as stepchildren's experience of role ambiguity and the impact of stepchildren's role content and clarity on relational quality. Fifty-two stepchildren completed questionnaires about their relationships and interaction with their stepparent during adolescence. Findings indicate that stepchildren's autonomy and connection-seeking behaviors predict stepchildren's reports of stepparent role types, stepchildren's reports of stepparents' warmth displays predict stepchildren's role ambiguity, and stepchildren's behavior and role ambiguity relate to their relational satisfaction. Suggestions for future research in this area are proposed.  相似文献   

The Volunteer Experience in Temporary Organizations: Volunteer Role Negotiation and Identification in a Pop-Culture Convention     

Michael Tornes  Michael W. Kramer 《Communication Studies》2013,64(5):590-606

The present study explores the role negotiations and identity of volunteers at a large Southwestern pop-culture convention. A sensemaking perspective was used to understand how volunteers retrospectively interpret their experiences as volunteers in this temporary organization. Data collection included participant observation and interviews of 26 volunteers. Data were analyzed using constant comparative analysis. Three role negotiation categories were identified: learning roles, negotiating roles, and making sense of roles. Ineffective communication during role learning and negotiation created ambiguity and uncertainty for volunteers. Volunteers identified with the convention primarily through communicative interactions with patrons but also through communicating with staff or by wearing artifacts (e.g., clothing). Results suggest modifying sensemaking theory to recognize individual as well as collective sensemaking.  相似文献   

基于角色协同的顶岗实习信息管理系统设计     

王金岗 《天津职业院校联合学报》2014,(10):16-20

针对当前顶岗实习教学管理存在的实习地点分散、管理手段落后、沟通交流困难等问题,在用户需求分析的基础上,基于工作流和角色协同的软件设计思想,选用三层B/S体系结构,采用Microsoft.NET3.5框架和Microsoft SQL Server2005数据库管理系统,运用LINQ to SQL、Jquery和AJAX等先进技术开发了顶岗实习管理系统。该系统实现了顶岗实习过程的动态管理以及与高等职业院校人才培养工作状态数据采集平台数据的合理对接,提高了顶岗实习管理的效率和质量。  相似文献