aims, hypothesis + variables

Question 1

aim?

Answer 1

what the researcher intends to find out in a study

Question 2

hypothesis?

Answer 2

predication based on explanation, model or theory.

Question 3

directional hypothesis?

Answer 3

how a variable will affect another.
- people who are stressed will have more days off sick

Question 4

non directional hypothesis?

Answer 4

how a variable will affect another but we don’t know how
- there will be a difference in days off sick and people who are stressed and not stressed

Question 5

null hypothesis?

Answer 5

no difference or relationship between variables.
- no difference between days off sick and people who are stressed

Question 6

in dependent variable (IV)

Answer 6

the variable that the researcher manipulates or changes

Question 7

dependant variable (DV)

Answer 7

variable that changes as a direct result of manipulating the IV

Question 8

operationalising variables?

Answer 8

working out ways of measuring mental processes based on behavioural processes

Question 9

extraneous variables?

Answer 9

has an effect on everyone
- time of day, noise, temp of room

Question 10

confounding variables?

Answer 10

affects one or a few people
- home life