1. Place questionnaires in veterinarian clinics located in the two ZIP code areas for pet owners to fill out while they are waiting for the doctor to examine their pet.

2. Select every 100th name in the city telephone book; call and interview only those who live in the two ZIP code areas.

3. Use a random number system to select a single subdivision located somewhere in the two ZIP code areas, and then place questionnaires in the mailboxes of every home in that selected subdivision.

4. Announce in the local newspaper a "Cutest Dog Contest" with contestants sending in a photo and address information. Use the contestants who live in the two ZIP code areas as the sample.

5. Go to the local animal shelter and get the addresses of the past pet adopters who live in the two ZIP code areas. Send a mail survey to the nearest neighbor's address for each of the addresses obtained from the animal shelter. For example, if the adopter lives at 1 Green Street, send the mail questionnaire to the occupants at 2 Green Street.