Content analysis is a method of analyzing written or visual data, while surveys, interviews, and focus groups are all methods of collecting data from people.

A literature review is conducted to identify existing knowledge on a topic, which can help researchers to identify gaps in the literature and develop new research questions.

Regression analysis is a statistical technique used to determine the relationship between two or more variables, while buffer analysis, network analysis, and cluster analysis are all types of spatial analysis.

A land use map shows the current use of land in an area, identifies areas for future development, and helps to regulate land use.

Social models are not as common as land use models, transportation models, and economic models in urban planning.

A public participation process is used to inform the public about planning decisions, get feedback from the public on planning decisions, and build consensus on planning decisions.

Funding is not a common challenge in urban planning research, as there are many sources of funding available for urban planning research projects.

A zoning ordinance is used to regulate the use of land, protect the environment, and promote public health and safety.

Environmental policies are not as common as land use policies, transportation policies, and economic development policies in urban planning.

A comprehensive plan is used to guide future development in an area, set goals and objectives for an area, and identify areas for preservation.

Historic preservation projects are not as common as new development projects, redevelopment projects, and infrastructure projects in urban planning.

A design review process is used to ensure that new development projects are compatible with the surrounding area, protect the character of a neighborhood, and promote sustainable development.

Transportation regulations are not as common as zoning regulations, building codes, and environmental regulations in urban planning.

A growth management plan is used to manage growth in an area, protect natural resources, and promote sustainable development.

State planning agencies are not as common as city planning departments, county planning departments, and regional planning agencies in urban planning.