About ASTMâ¦. Two New Journals. â¢ Advances in Civil Engineering Materials covers topics relating to the. properties and performance of civil engineering materials, such as concrete, asphalt, steel, polymers and polymeric composites, and wood.
A census is the procedure of systematically acquiring and recording information about the members of a given population. The term is used mostly in  connection with national population and housing censuses; other common censuses include agriculture, business, and traffic censuses.
Census vs. Sampling. Surveys can gather information through different methods of observation. However, most surveys employ a questionnaire to measure specific characteristics of the population. There are two main ways to gather this information. A census survey collects complete information from all participants in the population. General criteria of a census survey include: 1  Establish and maintain a complete list of the primary sampling unit (PSU) components. 2  All members of the PSU in the fishery must be included. 3  Validation (used to correct for missing and misreported data)  Enforceable and enforced.