It occurs in a survey when one or more questions influence how subsequent questions are interpreted.

A type of question that creates skip patterns.

A type of respondents who see themselves as being neutral and whose responses may skew the results if you force them to choose between opposites.

A set of questions that is usually employed to gather data on a one-off basis.

A series of questions that concern a common theme and that have the same response choices.

This type of question produces uninterpretable results because they actually ask two questions but allow only one answer.

An issue with memory recall interview which occurs when an event is thought to have happened during a particular period when it actually happened before that period.

It is a series of items tapping progressively higher levels of an attribute.

A response rate which is generally acceptable in survey research.