NCompass Live: Conducting Surveys II: Data Collection
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NCompass Live: Conducting Surveys II: Data Collection Presentation Transcript

  • 1. Conducting Surveys II
    Data Collection
    NCompass Live – June 9, 2010
  • 2. About the presenter
    Research Analyst
    Special Projects Associate
    Grant writer
    Evaluator
    Kathryn.Brockmeier@Nebraska.gov
    402.471.4002
  • 3. About you
    Your role
    Library Director
    Trustee
    Friends/Foundation Board Member
    Your credentials
  • 4. About you, cont’d
  • 5. About you, cont’d
  • 6. Recap of Conducting Surveys I
    Reasons for conducting a survey
    Issues in effective questionnaire design, data collection and analysis, and reporting
    Questionnaire design, especially measurement, content, and structure
  • 7. About this presentation
    Sampling
    How to target your respondents
    Survey methods
  • 8. Sample
    A subset of individuals within a population of interest
    Sampling is the act, process, or technique of selecting a suitable sample, or a representative part of a population for the purpose of determining parameters or characteristics of the whole population
    Goal of sampling: to be able to make inferences to the population in question
  • 9. Why sample?
    Lower cost
    Faster data collection
  • 10. Sampling process
    Defining the population of concern
    Specifying a sampling frame, a set of items or events possible to measure
    Specifying a sampling method for selecting items or events from the frame
    Determining the sample size
    Implementing the sampling plan
    Sampling and data collecting
    Reviewing the sampling process
  • 11. Define the population
    Definition: Entire universe of individuals who have characteristic of interest
    Examples: Residents of city, residents of county, library card holders, users, nonusers, visitors to library, computer lab users, program attendees
  • 12. Sampling frame
    Definition: has a property that we can identify and can include in our sample
    Examples: telephone directory, city directory, patron database, attendance sheets, voter registration list, utility bill recipients, newspaper readers, random digit dialing (RDD)
  • 13. Sampling methods
    Probability sampling: every individual has an equal chance of being selected
    Nonprobability sampling: some units in the population have no chance of selection or the probability of selection can’t be accurately determined
  • 14. Sampling methods examples
    Probability
    Simple random
    Systematic
    Stratified
    Nonprobability
    Convenience
    Judgment
    Quota
    Snowball
  • 15. Sampling example #1
    Simple random
    Population: Patrons
    Frame: Patron database
    Method: Random number generator—in Excel: =RANDBETWEEN(num1,num2)
  • 16. Sampling example #2
    Systematic
    Population: City residents that have a listed land-line telephone
    Frame: Telephone directory
    Method: Randomly select a number n (ex., 20) or smaller, start there on the first page of the directory and select every nth (ex., 20th) entry
  • 17. Sampling example #3
    Convenience
    Population: Library visitors
    Frame: Anyone who approaches or passes by the reference desk
    Method: Stop as many people as possible
  • 18. Population example
    Entire universe
    Population: Event attendees
    Distribute questionnaire to everyone in attendance
  • 19. Sample size criteria
    Level of precision/sampling error (e.g., ±5 percent): range in which the true value of the population is estimated to be
    Confidence level: repeat sample values are normally distributed about the true value
    Degree of variability: heterogeneous populations require a larger sample size
  • 20. Determine sample size
    (Obtained responses)
  • 21. Implement the sampling plan
  • 22. Evaluate the sample
    Response rate
    Number completed
    Total number in sample
  • 23. Survey methods
    Questionnaire
    Mail, paper-and-pencil
    Group-administered
    Internet
    E-mail
    Interview
    Personal
    Telephone
  • 24. Targeting your respondents
    Mail
    E-mail
    Website
    Newsletter
    Press release
  • 25. Method of administration
    Paper-and-pencil (Self report, face-to-face, telephone)
    Electronic (e-mail)
    Online/Internet
    Pros/cons
  • 26. Paper-and-pencil
    Self report
    Face-to-face
    Telephone
  • 27. Online
    SurveyMonkey
    https://www.surveymonkey.com/
    Zoomerang
    http://www.zoomerang.com/
    FreeOnlineSurveys.com
    http://freeonlinesurveys.com/
    Polldaddy
    http://polldaddy.com/
    LimeSurvey
    http://www.limesurvey.org/
    SurveyGizmo
    http://www.surveygizmo.com/
    twtsurvey
    http://twtpoll.com/new.php?op=2
  • 28. Data collection walkthrough
    Paper-and-pencil
    Online
  • 29. Resources
    Survey Research Methods, 4th Ed., by Floyd Fowler
    http://www.statpac.com/surveys/sampling.htm
    http://www2.uiah.fi/projects/metodi/152.htm
    http://www.socialresearchmethods.net/kb/sampling.php
    http://nelearns.blogspot.com/2010/05/thing-37-engaging-your-users-with-polls.html
    http://www.techsoup.org/learningcenter/software/page10744.cfm
    http://www.techsoup.org/learningcenter/internet/page5048.cfm
  • 30. Next steps
    Evaluation
  • 31. Questions?
    CE credits
    Evaluation
  • 32. Related topics
    NCompass Live archived sessions
    Conducting Surveys I: Introduction and Questionnaire Design – May 12, 2010
    http://www.nlc.state.ne.us/scripts/training/eventshow.asp?ProgID=9680
    Presenting Data in Meaningful and Interesting Ways – Jan. 1, 2010
    http://www.nlc.state.ne.us/scripts/training/eventshow.asp?ProgID=9338
    American Factfinder - Mining the U.S. Census for Information about Your Community – Dec. 9, 2009
    http://www.nlc.state.ne.us/scripts/training/eventshow.asp?ProgID=9297
  • 33. Upcoming sessions
    Tech Talk with Michael Sauers – June 30
    http://www.nlc.state.ne.us/scripts/training/eventshow.asp?ProgID=9639
    Conducting Surveys III: Analyzing Data and Reporting Methods – July 14
    http://www.nlc.state.ne.us/scripts/training/eventshow.asp?ProgID=9638
    Communication--Getting the Word Out: Does your audience hear what you mean? – July 21
    http://www.nlc.state.ne.us/scripts/training/eventshow.asp?ProgID=9238
  • 34. Resources
    Survey Research Methods, 4th Ed., by Floyd Fowler
    http://www.statpac.com/surveys/sampling.htm
    http://www2.uiah.fi/projects/metodi/152.htm
    http://www.socialresearchmethods.net/kb/sampling.php
    http://nelearns.blogspot.com/2010/05/thing-37-engaging-your-users-with-polls.html
    http://www.techsoup.org/learningcenter/software/page10744.cfm
    http://www.techsoup.org/learningcenter/internet/page5048.cfm
  • 35. Your feedback
    http://www.surveymonkey.com/s/82PKWYH
    Thank you!