research methods

Question 1

what is the IV

Answer 1

what you’re manipulating

Question 2

what is the DV

Answer 2

what you’re measuring

Question 3

directional hypothesis

Answer 3

will be able to predict the whether the effect of IV on DV is higher or lower

Question 4

non-directional hypothesis

Answer 4

will only predict a difference

Question 5

operationalisation

Answer 5

clearly defining how variables are being measured

Question 6

extraneous variable

Answer 6

factor that affects DV

Question 7

3 considerations when controlling extraneous variables

Answer 7

participant variable: minimize differences between pps (IQ, age)

researcher variable: researcher behaviour, gender, appearance should be consistent

situational variable: control of setting, keeping light, sound, temp levels consistent

Question 8

operationalise stress

aggression from children in playground

Answer 8

cortisol levels

frequency of aggressive acts such as, hits, punches and shouts observed in a playground