Survey Research: The Profound Impact of the Internet Chapter Five Copyright © 2004 2006 John Wiley & Sons, Inc. Learning Objectives 1. To understand the reasons for the popularity of survey research. 2. To learn the types of error in survey research. 3. To learn about the types of surveys. 4. To understand the advantages and disadvantage of online surveys. John Wiley & Son, Inc 2 Learning Objectives 5. To gain insight into the ways online surveys can be conducted. 6. To learn about recruiting sources for online surveys. 7. To recognize the special issues that arise in designing online questionnaires. 8. To gain insight into the factors that determine the choice of particular survey methods. John Wiley & Son, Inc 3 Popularity of Survey Research To understand the reasons for the popularity of surveys. • Reasons for Collecting Primary Data by Survey Research – The need to know why • To understand why people do or do not do something? – The need to know how • To understand the process consumers go through before taking action – The need to know who • To know who the person is from a demographic or lifestyle perspective John Wiley & Son, Inc 4 Exhibit 5.1 Types of Survey Error Total survey error Systematic error Random sampling error Measuremen t error Processing error Surrogate informatio n error Sample design error Selection error Frame error Interviewer error Response error Nonrespons e bias John Wiley & Son, Inc Instrument bias Population specification error 5 Types Of Error in Survey Research To learn about the types of error in survey research. • Sampling Error (Bias) – Random: chance variation • The difference between the sample value and the true value of the population mean • Cannot be eliminated but can be reduced by increasing sample size John Wiley & Son, Inc 6 Types Of Error in Survey Research To learn about the types of error in survey research. • Systematic Error (Bias) – Mistakes or problems in the research design – Flaws in the execution of the sample design • All sources of error except of those created by random sampling process • Nonsampling error (systematic errors) John Wiley & Son, Inc 7 Types Of Error in Survey Research To learn about the types of error in survey research. • Nonsampling Error (systematic errors) – Sample design error—problem in sample design or sample procedures • Frame errors • Population Specification Error • Selection Error John Wiley & Son, Inc 8 Types Of Error in Survey Research To learn about the types of error in survey research. – Measurement Error • Variation between the true value and the information actually obtained – – – – – – – John Wiley & Son, Inc Surrogate Information Error Interview Error or Interviewer Bias Measurement Instrument Bias Processing Error Nonresponse Bias Refusal Rate Response Bias » Deliberate falsification » Unconscious misrepresentation 9 Types Of Surveys To learn about the types of surveys. • Door-to-Door Interview – Interviewer completes survey in respondent’s home • Advantages • Disadvantages • Executive Interviewing – Interview industrial product user John Wiley & Son, Inc 10 Types Of Surveys To learn about the types of surveys. • Mall Intercept – Shoppers intercepted in public areas • Advantages • Disadvantages • Telephone Interviewing – Until 1990 most popular form of survey • Advantages • Disadvantages John Wiley & Son, Inc 11 Types Of Surveys To learn about the types of surveys. • Central Location Telephone Interviews – Make calls from a company facility • Computer-assisted telephone interviews (CATI • Cell Phone Surveys – Advantages – Disadvantages John Wiley & Son, Inc 12 Types Of Surveys To learn about the types of surveys. • Self-Administered Questionnaires – Filled out by respondents with no interviewer present • Advantages • Disadvantages – Kioska-based Computer Interviewing • Multimedia, touch screen computers in freestanding cabinets • Advantages John Wiley & Son, Inc 13 Types Of Surveys • Mail Surveys – Ad Hoc (one-shot) • Mail Panels – Higher response rate – Precontracted and Prescreened – Longitudinal Study • One that questions the same respondents at different points in time John Wiley & Son, Inc To learn about the types of surveys. • Ad Hoc Mail Surveys Suffer from: – High rate of nonresponse and attendant systematic error • Probability of not replying – Those with more education – Those with high-level occupations – Women – Those less interested in the topic – students 14 Survey Research on the Internet To understand the advantages and disadvantages of online surveys • The Internet changed survey research forever – Online research will account for 50% of all marketing research revenue by 2005 • Reason: Online population reflects general population – Reflective of General population • Gender • Martial status – Approaching General population • Age distribution • Average online household income John Wiley & Son, Inc 15 Survey Research on the Internet To understand the advantages and disadvantages of online surveys • Advantages of Online Surveys – – – – – – – Rapid Deployment, Real Time Reporting Dramatically Reduced Costs Ready Personalized High response rates Ability to Contact the Hard-to-Reach Simplified and Enhanced Panel Management Profitability for Research Firms John Wiley & Son, Inc 16 Survey Research on the Internet To understand the advantages and disadvantages of online surveys • Disadvantages of Online Surveys – Internet users are not representative of the population as a whole – Security and privacy on the Internet – Unrestricted Internet sample – Other problems include • Lack of “callback” procedures • Potential for questionnaire programming errors • Lack of bandwidth John Wiley & Son, Inc 17 Survey Research on the Internet To gain insight into the ways online surveys can be conducted – Converted CATA Systems • Software translates questionnaires for distribution over the Web. – Web Survey Systems • Software for Web questionnaire construction and delivery – Survey Design Web Sites • Allow researchers to design a survey and administer • http://www.perseusdevelopment.com John Wiley & Son, Inc 18 Survey Research on the Internet To learn about recruiting sources for online surveys – Screened Internet Samples • Self-selected respondents – Recruited Internet Samples • To ensure representativeness of a target population – Renting Internet Panels • • • • Incidence rate Cooperation rate Random Web Site Intercepts Data Capture of Visitors John Wiley & Son, Inc 19 Decision Analyst’s Online Household Panels • Decision Analyst – Progressive marketing research firm – Expansion of online consumer and business panels • American Consumer Opinion • Technology Advisory Board • Executive Advisory Board John Wiley & Son, Inc To learn about recruiting sources for online surveys • Construction Advisory Boards • Physicians Advisory Council • Medical Advisory Board – Strategic platforms for Proprietary research • • • • • • CopyTrack CopyTest Conceptor PromotionTest PackageTest NameScreen 20 Survey Research on the Internet To learn about recruiting sources for online surveys – Panel Management – Advantages of Online Panels – Disadvantages of Online Panels John Wiley & Son, Inc 21 Survey Research on the Internet To recognize the special issues that arise in designing online questionnaires • Creating Online Questionnaires – Issues unique to the Internet questionnaires • Simplest way—use survey design Web sites such Pereus XP • Surveys need to load quickly • Survey needs to be easy to respond to • Buttons are best when there are five or fewer answers to choose from • Be aware of any default answers or making the first answer the default • Online surveys should not be overly long John Wiley & Son, Inc 22 Survey Research on the Internet To recognize the special issues that arise in designing online questionnaires – The Interactive Marketing Research Organization (IMRO) • A confederation of world leaders in interactive marketing research • Representatives from 13 Internet marketing suppliers and 8 client companies such as – Modalis Research Technologies, Greenfield Online, Market Facts – Dell Computer, IBM, Intel, Time Warner • Initial efforts focus on spamming and misuse or personal data • Publishes the Journal of Online Research John Wiley & Son, Inc 23 Determination of the Survey Methods • • • • To gain insight into the factors that determine the choice of survey methods. Sampling Precision Budget Available Requirements for Respondents Reaction Quality of Data Required – Validity – reliability • • • • Length of Questionnaire Incidence Rate Structure of the Questionnaire Time Available to Complete the Survey John Wiley & Son, Inc 24 SUMMARY – – – – – Popularity of Survey Research Types of Error in Survey Research Types of Surveys Survey Research on the Internet Determination of the Survey Method John Wiley & Son, Inc 25 The End Copyright © 2006 John Wiley & Son, Inc John Wiley & Son, Inc 26