basics

Question 1

what is a hypothesis?

Answer 1

testable statement that makes clear what researcher expects to happen

Question 2

what is an experimental/alternative hypothesis?

Answer 2

predicts something WILL happen eg amount of time revise will affect results

Question 3

what is a null hypothesis?

Answer 3

doesnt predict a change eg will be no difference in results and amount of time revising

Question 4

non- directional hypothesis?

Answer 4

states there will be a relationship but not which way eg there will be significant difference between DVs

Question 5

directional hypothesis?

Answer 5

states types of relationship

Question 6

term

operationalise?

Answer 6

both IVs and DVs should be easy to test and measure

Question 7

term

Extraneous variables?

Answer 7

variable that might affect the DV if experiment is not well controlled eg gender, noise, time of day

Question 8

how to elimate EVs?

Answer 8

• standardised procedures
• standardised instructions

Question 9

term

standardised procedure

Answer 9

ensures all p’s tested in same place at same time under same conditions with same equipment