Surveys.

Designing surveys :a guide to decisions and procedures / by: (Language materials, printed)

Margins of error :a study of reliability in survey measurement / by: (Electronic resources)

Conducting research surveys via e-mail and the web by: (Language materials, printed)

Complex survey data analysis with SAS by: (Electronic resources)

Surveys.

Telephone surveys.

Internet.

Multivariate analysis

Sampling (Statistics)

Electronic mail systems.

Error analysis (Mathematics)

Regression analysis

Social sciences

Social surveys.