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The Kish Method

The Kish Method. Selecting the Participant. If you have pre-selected the participant for the sample then the data collection team only has to interview the selected person.

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The Kish Method

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  1. The Kish Method

  2. Selecting the Participant • If you have pre-selected the participant for the sample then the data collection team only has to interview the selected person. • However, what if the participant has not been pre-selected? How can the participant randomly be selected without bias from the data collection team?

  3. The Kish Method • A method that allows the data collection team to randomly select participants from the household. • Easy method that does not allow data collection bias. • Provides proper documentation so the sample can be weighted during data analysis.

  4. Using the Kish Method • Each household in the cluster will receive a number. • The Kish Household List will determine which Kish table should be used for each household based on the number of the household. • The Kish Household Coversheet will be prepared for the data collection team for each cluster prior to the interviews taking place. • The data collection team will fill out the household information on the coversheet and select a participant based on the Kish table * available on the coversheet. * The Kish table is the Kish Summary of Eight Tables and is used to select the participant based on the number of individuals in the household and the selected table number.

  5. Materials for This Exercise • To complete the Kish exercise you should have: • Kish Household List • Kish Summary of Eight Tables • Kish Household Coversheet, Exercise 1 • Kish Household Coversheet, Exercise 2 • Kish Household Coversheet, Exercise 3 (2x)

  6. Components of the Kish Method • Kish Household List • Kish Summary of Eight Tables • Kish Household Coversheet

  7. Kish Household List • The selected households in each cluster should receive cluster unique household numbers (i.e. if there are 35 selected households in a cluster then the households should be numbers 1-35). • Each number is associated with a specific Kish Table. • The Kish household list only presents 49 households, if you need to add more households the Kish Table list repeats every 12 numbers.

  8. Kish Summary of Eight Tables • The Summary of Eight Tables determines which individual from a household should be selected based on the assigned Kish Table number and the number of adults in a household. • For example if you are using table C and there are four eligible adults in the household, then you would select the second adult in the list.

  9. Kish Household Coversheet • The Household coversheet includes components of the Household List and the Summary of Eight Tables. • The coversheet is used to • rank the eligible individuals in the household and • select the individual to be interviewed (regardless of presence during the initial contact). • The coversheet should be partially filled out by the data collection team supervisor prior to field work.

  10. Preparing the Household Coversheet • The data collection team supervisor should • number the households in each cluster, if it has not already been done, • create a coversheet for each selected household, • fill in the household number, cluster number, and participant ID section of the coversheet, and • use the Kish Household List to circle that appropriate Kish Table on each coversheet.

  11. Filling out the Household Coversheet during Household Visits • After introducing themselves and the project the interviewer should • ask for the age and sex of each eligible participant in the household, • list the household members on the coversheet, • rank the household members by decreasing age (rank all the men and then all the women), and • select the participant by using the circled Kish Table.

  12. Ranked Household List

  13. Exercise 1: Rank the Household • During a household visit you receive this information • The age and sex of my family is: • Male age 61 • Female age 61 • Male age 28 • Male age 37 • List all the individuals in the household on the Kish Household Coversheet, Exercise 1.

  14. Exercise 1: Answer

  15. Exercise 2: Select the Participant • Use the Kish Coversheet, Exercise 2 to complete this exercise. • The household composition is • Female age 27 • Male age 35 • Female age 61 • Male age 44 • Male age 57 • The circled table on the coversheet is the table you should use to select the participant.

  16. Exercise 2: Answer • You should have selected the 61-year-old female.

  17. Oversampling 55–64-Year-Olds • If the study design includes oversampling for 55–64-year-old age group, the Kish Coversheet will need to be done separately for the 55–64-year-olds and the rest of the household. • The data collection team supervisor should prepare two coversheets for each household.

  18. Exercise 3: Oversampling • Use the Kish Coversheet, Exercise 3 to complete this exercise. • The sample design of the study includes over sampling the 55–64-year-old age group. Select a participant for the 55–64-year-olds and also for the 25–54-year-olds. • The household composition is: • Male age 64 • Female age 61 • Male age 30 • Female age 37

  19. Exercise 3: Answer 55–64-year-olds 25–54-year-olds

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