robbins fom8 inppt04 ge version

Post on 18-Apr-2015

111 Views

Category:

Documents

2 Downloads

Preview:

Click to see full reader

TRANSCRIPT

4Chapter

Foundations of Decision Making

Copyright ©2013 Pearson Education 4-1

Learning Objectives

• Describe the decision making process.• Explain the three approaches managers can

use to make decisions.• Describe the types of decisions and decision-

making conditions managers face.• Discuss group decision making.• Discuss contemporary issues in managerial

decision making.

Copyright ©2013 Pearson Education 4-2

Copyright ©2013 Pearson Education 4-3

How Do Managers Make Decisions?

Copyright ©2013 Pearson Education 4-4

What Defines a Decision Problem?

Problem – A discrepancy between an existing and a desired state of affairs.

Copyright ©2013 Pearson Education 4-5

Factors in the Decision-Making Process

Relevant decision criteria:• Price• Model (two-or four-door)• Size • Manufacturer • Optional equipment• Fuel economy, or• Repair records.

Copyright ©2013 Pearson Education 1-6

Weighing Criteria and Analyzing AlternativesTo weigh criteria:

1. Give the most important criterion a weight of 10.

2. Compare remaining criteria against that standard to indicate their relative degrees of importance.

Copyright ©2013 Pearson Education 4-7

Weighing Criteria and Analyzing Alternatives (cont.)

Copyright ©2013 Pearson Education 4-8

Weighing Criteria and Analyzing Alternatives (cont.)

Copyright ©2013 Pearson Education 4-9

Determining the Best Choice

Copyright ©2013 Pearson Education 4-10

Implementing Decisions

Copyright ©2013 Pearson Education 4-11

The Last Step in the Decision Process

Copyright ©2013 Pearson Education 4-12

Common Errors

Copyright ©2013 Pearson Education 4-13

Copyright ©2013 Pearson Education 4-14

Three Approaches

Copyright ©2013 Pearson Education 4-15

The Rational Model

• Rational decision making – Choices that are consistent and maximize value within specified constraints

Copyright ©2013 Pearson Education 4-16

IT can enhance an org’s decision-making capabilities.

Bounded Rationality

• Bounded rationality – Decisions that are rational within the limits of a manager’s ability to process information

• Satisfice – Accepting solutions that are “good enough”

• Escalation of commitment – An increased commitment to a previous decision despite evidence that it may have been a poor one

Copyright ©2013 Pearson Education 4-17

Intuition in Decision Making

Copyright ©2013 Pearson Education 4-18

Copyright ©2013 Pearson Education 4-19

Types of Problems

• Structured problem – A straightforward, familiar, and easily defined problem

• Unstructured problem – A problem that is new or unusual for which information is ambiguous or incomplete

Copyright ©2013 Pearson Education 4-20

Types of Decisions: Programmed

Programmed decisions – Repetitive decisions that can be handled using a routine approach

Copyright ©2013 Pearson Education 4-21

Types of Decisions: Nonprogrammed

Nonprogrammed decisions – Unique and nonrecurring decisions; require a custom-made solution

Copyright ©2013 Pearson Education 4-22

Problems, Decision Types, and Organizational Levels

Copyright ©2013 Pearson Education 4-23

Decision-Making Conditions

Copyright ©2013 Pearson Education 4-24

• Risk – A situation where a decision maker estimates the likelihood of certain outcomes

• Certainty – A situation where a manager can make accurate decisions because the outcome of every alternative is known

• Uncertainty – A situation where a decision maker has neither certainty nor reasonable probability estimates available

Copyright ©2013 Pearson Education 4-25

How Do Groups Make Decisions?

Important decisions are often made by groups who will be most affected by those decisions:• Committees• Task forces• Review panels• Work teams

Copyright ©2013 Pearson Education 4-26

Group Decision Making: Benefits

• Provides more information

• Generates more alternatives

• Increases acceptance of a solution

• Increases legitimacy of the decision

Copyright ©2013 Pearson Education 4-27

Group Decision Making: Drawbacks

• Time-consuming• Infrequent and often inefficient interaction• Minority domination• Groupthink• Ambiguous responsibility

Copyright ©2013 Pearson Education 4-28

When Are Groups Most Effective?

Individual• Faster decision making• More efficient use of

work hours

Group• More accurate decisions• More heterogeneous

representation• More time-consuming• More creative• More effective in

accepting final solution

Copyright ©2013 Pearson Education 4-29

Improving Group Decision Making

Three ways of making group decisions more creative:• Brainstorming• Nominal group technique• Electronic meetings

Copyright ©2013 Pearson Education 4-30

Copyright ©2013 Pearson Education 4-31

Contemporary Issues

• National culture – Influences the way in which decisions are made and the degree of risk a decision maker will take

• Creativity – The ability to produce novel and useful ideas

Copyright ©2013 Pearson Education 4-32

Creativity in Decision Making

Creativity allows the decision maker to:• Appraise and understand a problem more fully• “See” problems others can’t see • Identify all viable alternatives

Copyright ©2013 Pearson Education 4-33

Quantitative Module

Quantitative Decision-Making Aids

Copyright ©2013 Pearson Education 4-34

Payoff Matrices

Copyright ©2013 Pearson Education 4-35

Payoff Matrices: Regret Matrix

Copyright ©2013 Pearson Education 4-36

Decision Trees

Copyright ©2013 Pearson Education 4-37

Break-Even Analysis

Copyright ©2013 Pearson Education 4-38

Ratio Analysis

Copyright ©2013 Pearson Education 4-39

Linear Programming

Copyright ©2013 Pearson Education 4-40

Linear Programming (cont.)

Copyright ©2013 Pearson Education 4-41

Queuing Theory

n = 3 customers arrival rate = 2 per minuteservice rate = 4 minutes per customer

Copyright ©2013 Pearson Education 4-42

Economic Order Quantity Model

Copyright ©2013 Pearson Education 4-43

Copyright ©2013 Pearson Education 4-44

top related