Data from an external source, such as census data, that is incorporated or linked in some way to the data collected by the study. Auxiliary data is sometimes used to supplement collected data, for cre [..]

A language, common to both interviewers and respondents, that is used for data collection but may not be the first language of either person.

The inverse of the probability of selection.

“Behavior codes are information about the interviewer and respondent’s verbal behaviors during a survey interview’s question–answer process. They are developed and recorded by human coders, not automa [..]

Systematic coding of the interviewer-respondent interaction in order to identify problems and sometimes to estimate the frequency of behaviors that occur during the question-answer process.

A question asking respondents to report behaviors or actions. Example: Have you ever smoked cigarettes?

The systematic difference over all conceptual trials between the expected value of the survey estimate of a population parameter and the true value of that parameter in the target population.

A complete proposal (submitted in competition with other bidders) to execute specified jobs within prescribed time and budget, and not exceeding a proposed amount.

A glossary is a list of words or phrases used in a particular field alongside their definitions. Glossaries are often found at the back of a specialist or academic book as an appendix to the text. A b [..]

A type of coding in which values that exceed the predetermined minimum value are reassigned to that minimum value or are recoded as missing data.