Survey Vignesh (1) - · PDF file Vignesh 10. Training of Interviewers • Interviewers...

Click here to load reader

  • date post

    09-Jun-2020
  • Category

    Documents

  • view

    1
  • download

    0

Embed Size (px)

Transcript of Survey Vignesh (1) - · PDF file Vignesh 10. Training of Interviewers • Interviewers...

  • Survey

    P. Vigneswara Ilavarasan http://web.iitd.ac.in/~vignes

    Vignesh

  • Agenda

    • Why?

    • Survey – Types, Selection

    • Tool - Questionnaire

    • Selection / Sampling

    • Management

    – Field interviewers

    Vignesh 2

  • Why?

    • Descriptive research

    – Not exploratory – Non use of toilets in Ghana

    • Structured data collection

    • Fixed (more or less) responses

    • Supports ‘positivistic’ romance• Supports ‘positivistic’ romance

    – primary data & NUMBERS!

    • Uses a questionnaire

    – Amenable to cross-checking

    Vignesh 3

  • Types

    Survey Methods

    Telephone Int. Personal

    Interviewing

    In-Home /

    Mail Interviewing

    Ele. Interviewing

    Traditional

    Computer assisted

    In-Home / Work

    Mall Intercept

    Computer Assisted

    Mail

    Mail Panel

    E-Mail

    Internet

    Vignesh 4

  • Selection?

    Diverse &

    Flexible

    Que

    Sample

    Control

    Response

    Rate

    Control

    over data

    collection

    Environ.

    Speed

    Cost

    Anonymity

    of R

    Getting

    sensitive

    info

    Physical

    Stimuli

    Quantity

    of Data

    Rate

    Control of

    field

    force

    Interviewer

    Bias

    Cost

    Social

    Desirability

    Incidence

    rate R. control

    Vignesh 5

  • Tool - Questionnaire

    • Most used & abused

    • What I would like to have ≠ Respondent likes to share

    • Each pen point � research question

    • Need for pilot study• Need for pilot study

    • Bad design / format – including the look

    • Avoid double barrelled

    • Clarity for Respondent & her ability to say

    • Ordinary words

    – Concepts cannot measure concepts

    Vignesh 6

  • Que Exercise

    Vignesh 7

  • Sampling

    Non-probability Probability

    Vignesh 8

    Convenience Sampling

    Judgmental Sampling

    Quota Sampling

    Snowball Sampling

    Systematic Stratified Cluster Sequential & Double

    Simple Random

  • Survey & Sampling Exercise!

    Vignesh 9

  • Managing the agency

    • Multiple levels of sub-contracting

    • Partners, but vendors too..

    – Less work, more money

    • In touch with the last important person

    – Visit, if needed.– Visit, if needed.

    • Calculate the manpower days & keep buffer

    • Sampling – useful for cross checking

    • Random calling respondents to cross check

    – Visiting, if needed.

    Vignesh 10

  • Training of Interviewers

    • Interviewers – Foot soldiers of data collection

    • Share the questionnaire well in advance

    • Explain the purpose of study

    • Reading of each question by the group in circle

    • Mock interviews• Mock interviews

    • Language of the questionnaire

    • Moderate the supervisor, if needed.

    • Insist on same set of interviewers for the entire

    study

    Vignesh 11

  • References

    • Babbie, E. (2009). The practice of social research

    (12th ed.). Belmont, CA: Wadsworth

    • Malhotra, N. K and Dash, S. (2011). Marketing

    research: An applied orientation. Delhi, Chennai:

    Pearson.Pearson.

    Vignesh 12

  • Q & A?

    Vignesh 13

  • Thank you!Thank you!

    Vignesh 14