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Exploring Marketing Research William G. Zikmund
Chapter 8: Survey Research
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Surveys Surveys ask respondents for information using verbal or written questioning
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Respondents Respondents are a representative sample of people
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Gathering Information via Surveys
Quick Inexpensive Efficient Accurate Flexible
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Problems Poor Design Improper Execution
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Tree Diagram of Total Survey Error
Random sampling error Total error Systematic error (bias)
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Random Sampling Error A statistical fluctuation that occurs because of change variation in the elements selected for the sample
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Systematic Error Systematic error results from some imperfect aspect of the research design or from a mistake in the execution of the research
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Tree Diagram of Total Survey Error
Administrative error Systematic error (bias) Respondent error
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Sample Bias Sample bias - when the results of a sample show a persistent tendency to deviate in one direction from the true value of the population parameter
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Tree Diagram of Total Survey Error
Nonresponse error Respondent error Response bias
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Respondent Error A classification of sample bias resulting from some respondent action or inaction Nonresponse bias Response bias
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Nonresponse Error Nonrespondents - people who refuse to cooperate
Not-at-homes Self-selection bias Over-represents extreme positions Under-represents indifference
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Tree Diagram of Total Survey Error
Deliberate falsification Response bias Unconscious misrepresentation
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Response Bias A bias that occurs when respondents tend to answer questions with a certain slant that consciously or unconsciously misrepresents the truth
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Tree Diagram of Total Survey Error
Acquiescence bias Extremity bias Interviewer bias Auspices bias Social desirability bias
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Acquiescence Bias A category of response bias that results because some individuals tend to agree with all questions or to concur with a particular position.
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Extremity Bias A category of response bias that results because response styles vary from person to person; some individuals tend to use extremes when responding to questions.
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Interviewer Bias A response bias that occurs because the presence of the interviewer influences answers.
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Auspices Bias Bias in the responses of subjects caused by the respondents being influenced by the organization conducting the study.
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Social Desirability Bias
Bias in responses caused by respondents’ desire, either conscious or unconscious, to gain prestige or appear in a different social role.
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Tree Diagram of Total Survey Error
Administrative error Systematic error (bias) Respondent error
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Administrative Error Improper administration of the research task
Blunders Confusion Neglect Omission
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Tree Diagram of Total Survey Error
Data processing error Sample selection error Interviewer error Interviewer cheating
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Administrative Error Interviewer cheating - filling in fake answers or falsifying interviewers Data processing error - incorrect data entry, computer programming, or other procedural errors during the analysis stage. Sample selection error -improper sample design or sampling procedure execution. Interviewer error - field mistakes
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Time Period for Surveys
Cross-sectional Longitudinal
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Cross-Sectional Study
A study in which various segments of a population are sampled Data are collected at a single moment in time.
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Longitudinal Study A survey of respondents at different times, thus allowing analysis of changes over time. Tracking study - compare trends and identify changes consumer satisfaction
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Consumer Panel A longitudinal survey of the same sample of individuals or households to record (in a diary) their attitudes, behavior, or purchasing habits over time.
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Total Quality Management and Customer Satisfaction Surveys
Total quality management - A business philosophy that emphasizes market-driven quality as a top organizational priority.
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Stages in Tracking Quality Improvement
Initial quality improve- ment Continuous Quality Improvement Commitment and Exploration Bench- marking
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Commitment and Exploration Stage
Management makes a commitment to total quality assurance Marketing researchers explore external customers’ needs and problems. Marketing researchers explore internal customers’ needs, beliefs, and motivations.
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Benchmarking Stage Research establishes quantitative measures as benchmarks or points of comparison Overall satisfaction and quality ratings of specific attributes Employees actual performance and perceptions
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Initial Quality Improvement Stage
Tracking wave 1 measures trends Establishes a quality improvement process within the organization. Translate quality issues into the internal vocabulary of the organization. Establish performance standards and expectations for improvement.
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Continuous Quality Improvement
Consists of many consecutive waves with the same purpose—to improve over the previous period. Quality improvement management continues.
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Determinants of the Quality of Goods
Performance Features Conformance with specifications Reliability Durability Serviceability Aesthetic design
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Determinants of Service Quality
Access Communication Competence Courtesy Reliability Credibility
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