The latter are taken from a variety of sources, including tax data and surveys on consumer expenditure.

A variety of tools are used including surveys, interviews with local people and satellite image interpretation.

He left just about everything else, including preliminary surveys and reports, to those who would use his beamed coordinates to follow him.

The indicators in this report are based on information drawn from a variety of data sources, including national surveys of students, teachers, and principals.

The evaluation draws from multiple data sources, including: site visits, surveys, program documents, and student achievement records.

To obtain answers, the planner uses research of all kinds, including group discussions and wider surveys.

New information, including surveys submitted later by employers, led to the change, said Kevin Smith, a spokesman for the department.

Models are based on measurements taken in the field, including well logs, seismic surveys, and production history.

Anthropologists use a variety of methods, including participant observation, interviews and surveys.

In 1996, a formal planning process began for the expansion of the Main Library, including community focus groups, surveys, and meetings.