Research Methods

Is this statement true or false: 'the only thing that should cause a change in the DV is the IV'

• true

• false

An extraneous variable is

• something that needs to be identified and controlled

• a wanted variable that could affect the DV

• a change in the DV

• something that can cause a change to the IV

In research, the aim is

• a testable statement

• a general statement explaining the purpose of the study

• a clear precise testable statement

Which of the following is NOT an ethical issue?

• privacy

• deception

• informed consent

• conflict

What is the BPS?

• a book of all mental and physical diseases

• guidelines for how to do psychological research

• a code of conduct all professional psychologists in the UK must follow

• a list of ethical considerations

When results are valid, they are

• a true reflection of real-world behaviour

• a measure of consistency

• accurately done

'Selecting participants in proportion to frequency in the target population' is

• systematic sampling

• stratified sampling

• random sampling

• opportunity sampling

The group of people a researcher wishes to study is the

• sample

• target population

• target group

• participants

The group of participants a researcher selects in one of four ways is known as the

• target group

• sample

• target population

• participant group

'Takes time as need list of all members of target population' is a weakness of which sampling method?

• systematic

• stratified

• opportunity

• random