It is the instrument for collecting the primary data.

It is the process by which the researcher collects data through a questionnaire.

A procedure udertaken specifically and systematically to make a discovery and test hypothesis.

These are tools used to gather data on a specific topic of interest.

It is a data that would not otherwise exist if it were not for the research process and is collected through both questionnaires or interviews

This allows the description of behavior in a naturalistic laboratory setting. Usually, this instrument is used to cross-validate the result of other instruments.

It is typically a face-to-face conversation between a researcher and a participant involving a transfer of information to the interviewer.

A type of interview that can be easy and fast, but usually only a small number of questions can be asked.

A type of interview which is easy to complete and allows questions and answers to be well thought out.

This involve prepared sheets that allow the interviewee to choose from existing responses, resulting in a set of responses that are easy to analyse.

The following are the qualities an interviewer must have before the interview except: