tailieunhanh - Lecture Business research methods (12/e): Chapter 14 - Donald R. Cooper, Pamela S. Schindler

Chapter 14 - Sampling. After studying this chapter you will be able to understand: The two premises on which sampling theory is based, the accuracy and precision for measuring sample validity, the five questions that must be answered to develop a sampling plan,. | Sampling Chapter 14 1 Learning Objectives Understand . . . The two premises on which sampling theory is based. The accuracy and precision for measuring sample validity. The five questions that must be answered to develop a sampling plan. 2 Learning Objectives Understand . . . The two categories of sampling techniques and the variety of sampling techniques within each category. The various sampling techniques and when each is used. 3 Pull Quote “We have to hear what’s being said in a natural environment, and social media is an obvious place to do this, but we also have to go and discover the opinions that are not being openly shared. Only then can we understand the dichotomy between the public and private persona.” Ben Leet, sales director uSamp The Nature of Sampling Population Population Element Sampling Frame Census Sample 5 Why Sample? Greater accuracy Availability of elements Greater speed Sampling provides Lower cost 6 What Is a Sufficiently Large Sample? “In recent Gallup ‘Poll | Sampling Chapter 14 1 Learning Objectives Understand . . . The two premises on which sampling theory is based. The accuracy and precision for measuring sample validity. The five questions that must be answered to develop a sampling plan. 2 Learning Objectives Understand . . . The two categories of sampling techniques and the variety of sampling techniques within each category. The various sampling techniques and when each is used. 3 Pull Quote “We have to hear what’s being said in a natural environment, and social media is an obvious place to do this, but we also have to go and discover the opinions that are not being openly shared. Only then can we understand the dichotomy between the public and private persona.” Ben Leet, sales director uSamp The Nature of Sampling Population Population Element Sampling Frame Census Sample 5 Why Sample? Greater accuracy Availability of elements Greater speed Sampling provides Lower cost 6 What Is a Sufficiently Large Sample? “In recent Gallup ‘Poll on polls,’ . . . When asked about the scientific sampling foundation on which polls are based . . . most said that a survey of 1,500 – 2,000 respondents—a larger than average sample size for national polls—cannot represent the views of all Americans.” Frank Newport The Gallup Poll editor in chief The Gallup Organization When Is a Census Appropriate? Necessary Feasible 8 What Is a Valid Sample? Accurate Precise 9 Sampling Design within the Research Process 10 Types of Sampling Designs Element Selection Probability Nonprobability Unrestricted Simple random Convenience Restricted Complex random Purposive Systematic Judgment Cluster Quota Stratified Snowball Double 11 Steps in Sampling Design What is the target population? What are the parameters of interest? What is the sampling frame? What is the appropriate sampling method? What size sample is needed? 12 When to Use Larger Sample? Desired precision Number of subgroups Confidence level Population variance Small error range 13 Simple .

• Quản trị kinh doanh
• Business research
• Business research methods
• Lecture Business research methods
• Analysis of data
• Sampling design
• Research process
• Essentials of research
• Ethics in business research
• Research revelation
• Ethical violations
• Research design
• Research guides decisions
• Business decision
• Research revelations
• Research should reduce risk
• Business research process
• Business research design
• Questionnaire design
• Ebook Business research method
• Information systems
• Theory building
• The business research process
• Business decisions
• Business intelligence
• Language of research
• Extraneous variables
• Research question
• Secondary data sources
• Qualitative research
• Data sources
• Observation studies
• Research industry works
• Internal research sources
• Research design descriptors
• Research in business
• Thinking like a researcher
• The research process
• The research question through secondary
• Ebook Research methods for business students
• Research methods for business students
• Research methods business students
• The nature of business
• The structure of this book
• Building and clarify the research
• Designing the research
• Multivariate analysis
• Multivariate techniques
• Presenting insights
• Written reports
• Presentation techniques
• Experiments challenge perceptions
• Evaluation of experiments
• Modes of data collection
• Dilemma for surveys
• Characteristics of measurement
• Levels of measurement
• Measurement scales
• Scaling Process
• Measurement skepticism
• Question content