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Management Information Systems By Effy Oz & Andy Jones
Chapter 9: Managers and Their Information Needs
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Learning Objectives Explain the link between an organization’s structure and information flow List the main functions and information needs at different managerial levels Identify the characteristics of information needed by different managerial levels Recognize the influence of politics on the design of, and accessibility to, information systems
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Learning Objectives (continued)
Describe the ways in which IT personnel are deployed in organizations List and explain the advantages and disadvantages of various personnel deployments Explain the importance of collaboration between IS managers and business managers and describe the relationship between the two groups
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Managers and Information
Different levels of managers need different types of information for different types of decisions Increased flexibility of IS allows for changes in organizational structure Politics of information is an issue
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The Traditional Organizational Pyramid
Many organizations follow pyramid model CEO at top Small group of senior managers Many more lower-level managers Clerical and Shop Floor Workers No management-level decisions required Operational Management Comply with general policies handed down
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The Traditional Organizational Pyramid (Cont.)
Tactical Management Wide-ranging decisions within general directions handed down; “how to do it” decisions Strategic Management Decisions affect entire or large parts of the organization; “what to do” decisions
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The Traditional Organizational Pyramid (Cont.)
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Characteristics of Information at Different Managerial Levels
Data Scope Amount of data from which information is extracted Time Span How long a period the data covers Level of Detail Degree to which information is specific
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Characteristics of Information at Different Managerial Levels (Cont.)
Source: Internal vs. External Internal data: collected within the organization External data: collected from outside sources Media, newsletters, government agencies, Internet
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Characteristics of Information at Different Managerial Levels (Cont.)
Structured and Unstructured Data Structured data: numbers and facts easily stored and retrieved Unstructured data: drawn from meetings, conversations, documents, presentations, etc. Valuable in managerial decision making
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Characteristics of Information at Different Managerial Levels (Cont.)
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The Nature of Managerial Work
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Planning Most important planning activities
Planning at different levels Long-term mission and vision Strategic goals Tactical objectives Most important planning activities Scheduling Budgeting Resource allocation
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Planning (Cont.)
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Planning (Cont.)
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Controlling Control activities by comparing plans to results
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Decision Making Both planning and control call for decision making
The higher the level of management: The less routine the manager’s activities The more open the options The more decision-making involved
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Management by Exception
Review only exceptions from expected results that are of a certain size or type to save time
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Leading Managers Require these Skills and Abilities:
Vision and creating confidence in others Encouraging and inspiring subordinates Initiating activities for efficient and effective work Creating new techniques to achieve corporate goals Presenting a role model for desired behavior Taking responsibility for undesired consequences Delegating authority
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Organizational Structure
IT Flattens the Organization Eliminates middle managers
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The Matrix Structure People report to different supervisors, depending on project, product, or location of work More successful for smaller, entrepreneurial firms IT supports matrix structure Easier access to cross-functional information
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The Matrix Structure
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Managers and Their Information Systems
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Transaction-Processing Systems (TPS)
Capture and process raw materials for information Interfaced with applications to provide up-to-date information Clerical workers use TPS for routine responsibilities Operation managers use TPS for ad-hoc reports
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Decision Support Systems (DSS) and Expert Systems (ES)
DSS and ES support more complex and nonroutine decision-making and problem-solving activities Used by middle managers as well as senior managers
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Executive Information Systems (EIS)
Provide timely, concise information about organization to top managers Provide internal as well as external information Economic indices Stock and commodity prices Industry trends
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Information, Politics, and Power
Development and control of ISs often involves problematic politics Power Information affords power which can be problematic Who owns the system? Who pays for developing the system? Who accesses what information? Who has update privileges? The Not-Invented-Here Phenomenon
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Ethical and Societal Issues Electronic Monitoring of Employees
The Microchips Are Watching Video cameras Software to count keystrokes Artificial intelligence to monitor cash disbursement and detect fraud Monitoring and Web access
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Ethical and Societal Issues Electronic Monitoring of Employees
The Employers’ Position Entitled to know how employees spend time Believe monitoring is an objective, nondiscriminatory method to gauge output The Employees’ Position Deprives them of autonomy and dignity Increases stress and stress-related illness and injury
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Management of Information Technology Resources
Centralized Management Staff positions and departments in strict vertical hierarchy Control of organization in few hands Decentralized Management Delegates authority to lower-level managers IS often follows management pattern
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Centralized vs. Decentralized Management
Advantages of Centralized IS Management Standardized hardware and software Efficient administration of resources Effective staffing Easier training Common reporting systems Effective planning of shared systems Easier strategic planning Efficient use of IS personnel Tighter control by top management
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Centralized vs. Decentralized Management (Cont.)
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Centralized vs. Decentralized Management (Cont.)
Advantages of Decentralized IS Management Better fit of ISs to business needs Timely response of IS units to business demands Encouragement of end-user development of applications Innovative use of ISs Support for delegation of authority Less competition for resources
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Centralized vs. Decentralized Management (Cont.)
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Centralized vs. Decentralized Management (Cont.)
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Organizing the IS Staff
Central IS Organization: A corporate IS team over all units IS Director oversees several departments Usually involved in every aspect of IT Often includes a steering committee Often easier to integrate an IS plan in a centralized IS organization
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Organizing the IS Staff (Cont.)
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Organizing the IS Staff (Cont.)
Dispersed IS Organization Each unit fulfills its IS needs individually Each business unit has one or several IS professionals Funds for development and maintenance of unit’s IS own budget Decisions made independently
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Organizing the IS Staff (Cont.)
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Organizing the IS Staff (Cont.)
A Hybrid Approach Small companies use the central approach Midsize and large use elements of central and decentralized approaches Handled according to the position of the highest IS officer in the organizational structure
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Business Managers’ Expectations of an IS Unit
Broad understanding of business activities Flexibility and adaptability Prompt response to the information needs of the business unit Clear, jargon-free explanation of what technology can and cannot do for the unit
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Business Managers’ Expectations of an IS Unit (Cont.)
Candid explanations of what information systems can and cannot do Honest budgeting Single point of contact
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IS Manager Expectations of Business Managers
Business planning Systems planning Systems selection or development Participation and partnership
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Summary Organizations are run by managers
Senior managers make decisions that affect the entire organization Middle managers receive strategic decisions as general directives within which they develop tactics to achieve specific objectives Operational managers are responsible for daily operations
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Summary (continued) Operational managers use transaction processing systems to generate reports Clerical and other workers typically carry out their supervisors' orders A major task of middle managers in the past was to screen information and pass it on to higher-level managers
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Summary (continued) Because information is power, occasionally managers try to obtain power by controlling ISs beyond their real business needs Information technology provides very effective and inexpensive means of monitoring employees on the job There are many ways to organise IS staff
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Summary (continued) Successful use of IS technology depends on an understanding and collaboration between managers of business units and IT managers IS managers expect business managers to project their future information needs, clearly explain the business processes that ISs should support and thoroughly detail features they desire in a new IS
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