semi structured
a set format of questions but these can be varied and expanded on
structured interview
a set of standards questions usually face to face there is no deviation from the original questions
questionnaires
A set of written questions designed to collect information abut a topic
construct validity
type of validity that assess whether a test accurately asses the concept it was meant to measure
what is an interview
technique to gather evidence from face to face questioning
interviews mainly collect qualitive data
advantages of structured interview
easy to replicate as closed set of questions are used which are easy to quantify so it is easy to test for reliability and so you can compare answers from different participants
quick to conduct so many interviews in a she=rt space of time this means a large sample so results will be representative
disadvantages of structured interview
lack of flexibility meaning lack of construct validity
interviewer bias interviewer may behave differently in different interviews decreasing reliability
interviewer bias influence participant response to question
advantages of semi structured interview
more flexible as question can be adapted and change depending on response
generate qualitative data through open questions allowing participant to talk in depth helping researcher understand
disadvantages of semi structures interviews
time consuming to conduct and analyze qualitative data
Employing and training interviewers is expensive
advantages of questionnaires
large number of people can be tested this way
inexpensive and quick method
effective measure and can produce qualitative data
a lack of face to face contact with researcher can provide honest answers
disadvantage of questionnaires
closed questions produces quantitative data which doesn’t allow you to get specific information
socially desirable response may be given (anonymity can prevent this )
participants may join out of interest for subject matter which can lead to bias and self selected sample which makes it hard to generalise results
low rates of return
