Is measurable and specific

Allows for greater depth of responses

Allows for less depth of responses

Is unmeasurable and generalist

A person through a survey

A textbook

A website such as Wikipedia

The radio

How long have you shopped at this store?

How influential do you think this advertisement is?

What changes would you recommend to improve the billing system?

What are some of the errors in data entry that you have observed?

Scaling of graphics (making trends appear bigger or smaller)

Collecting data via the internet

Interviewing as many people as possible

Sourcing data from a long time ago

Details of the person responding to the survey

An agreement to participate in the survey

Information about how the information will be stored

Citations to show where the data will be sourced from