Hypotheses

Question 1

Different types of hypotheses:

Answer 1

Directional, non-directional, null hypothesis

Question 2

What is a directional hypothesis:

Answer 2

(one tailed test) when a researcher has a good idea what is going to happen in a study they will predict a specific outcome. i.e specific about the direction of any differences in the way people behave

Question 3

What is a non-directional hypothesis:

Answer 3

(two tailed test) when a researcher is less sure what is going to happen in a study they will predict a more general outcome. i.e a difference in the way people behave, but not which direction this will be in

Question 4

What is null hypothesis:

Answer 4

when a researcher is confident that the independent variable will have no effect on the dependent variable they select a null hypothesis. Statement of no difference- always do one so you can falsify it.