Structured interviews use closed questions to be high in reliability but low in validity, while unstructured interviews use open-ended questions to be high in validity but time consuming. A semi-structured interview balances reliability and validity by using both closed and open-ended questions.

1. > Understand the differences between structured &
unstructured interviews:
> Be able to evaluate the strengths & limitations of the
different types of interviews.
> Be able to apply your understanding of interviews to the
study of education.

3. > High in Reliability
(Closed Qs)

4. > High in Validity
(Open-Ended Qs)
> Time
Consuming

5. > Increases both
Reliability &
Validity