2.2.3 - experimental and null hypotheses

Question 1

what is an experimental hypothesis?

Answer 1

a type of alternative hypothesis which predicts the result of an experiment

Question 2

what is a null hypothesis?

Answer 2

one which predicts that no difference or relationship will be found, or that any difference or relationship found is due to chance

Question 3

how would you state a non-directional experimental hypothesis?

Answer 3

H1 = there will be a difference in the DV between condition 1 and condition 2

Question 4

how would you state a directional experimental hypothesis?

Answer 4

H1 = the DV will be higher for participants who do condition 1 than for those who do condition 2

Question 5

how would you state a null hypothesis for an experiment?

Answer 5

H0 = there will be no difference in the DV between condition 1 and condition 2

Question 6

what do you need to do with the DV when stating a hypothesis for an experiment?

Answer 6

identify the exact thing being measured and include units/a maximum