What are the 9 ethical guidelines?

What is an independent variable?

What is a dependant variable?

What are extraneous variables?

What are the 3 key factors that can influence Internal validity?
(whether the study measures what it intends to measure)

What are the 3 types of external validity? ( if the findings can be generalised to other people)

What is a self report?

What are the two types of questions?

What are the two types of interview?