The correct answer is: Preliminary survey to identify households.
A house listing operation is a preliminary survey that is conducted before the main census. The purpose of the house listing operation is to identify all of the households in a given area and to obtain basic information about each household, such as the number of people living in the household and the type of housing unit. This information is used to create a master address list, which is used to conduct the main census.
The enumeration of homeless population is a separate operation that is conducted to count the number of people who are homeless on a given night. The assessment of housing quality is a separate operation that is conducted to assess the condition of housing units.
Here is a brief explanation of each option:
- Preliminary survey to identify households: This is the correct answer. The purpose of a house listing operation is to identify all of the households in a given area and to obtain basic information about each household.
- Enumeration of homeless population: This is a separate operation that is conducted to count the number of people who are homeless on a given night.
- Assessment of housing quality: This is a separate operation that is conducted to assess the condition of housing units.