hypothesis

Question 1

alternative hypothesis

Answer 1

predicts relationship between variables

Question 2

null hypothesis

Answer 2

predicts no relationship

Question 3

IV

Answer 3

what you change

Question 4

DV

Answer 4

what you measure

Question 5

EV

Answer 5

unwanted variables that could affect the DV

Question 6

write a null hypothesis structure

Answer 6

there will be no difference in (DV) when the (IV)…
e.g. there will be no difference in the number of days of absence when the school day starts at an earlier or later time.

Question 7

write an alternative hypothesis structure

Answer 7

there will be a difference in (DV) when (IV condition 1) compared to (IV condition 2)
e.g. there will be a difference in the number of errors made when recalling numbers presented in 3 groups of 3 compared to numbers presented in 1 group of 9.

Question 8

3 research procedures:

Answer 8

• instructions to pps
• standardised procedures
• randomisation

Question 9

instructions to pps

Answer 9

all pps must be given the same info

Question 10

standardised procedures

Answer 10

exact same methods, to try and control EV’s

Question 11

randomisation

Answer 11

using chance when designing a study to control the effects of bias