Hypothesis, Aims and Variables AO1

Question 1

what is a hypothesis?

Answer 1

a precise, testable statement of the relation between two variables and will predict the outcome of an experiment

Question 2

what is a directional hypothesis?

Answer 2

a type of hypothesis where the direction of the outcome of the relationship between variables is predicted

Question 3

what is a non-directional hypothesis?

Answer 3

a type of hypothesis where the direction of the outcome of the relationship between variables is not predicted

Question 4

when are directional hypothesis used?

Answer 4

when there is previous research to determine the outcome of the study

Question 5

what are the features of a hypothesis?

Answer 5

1. has relationship between an IV and DV
2. doesn’t mention aim
3. operationalized

Question 6

what is a null hypothesis?

Answer 6

a type of hypothesis where no difference in relationship between variables is mentioned

Question 7

what does it mean to operationalize?

Answer 7

it means to define the variables clearly and in a way that’s measurable

Question 8

What is an aim?

Answer 8

• is a generalm statement of what the researcher intends to investigate
• highlights purpose of the study

Question 9

What is an IV?

Answer 9

the variable that is manipulated by the researcher

Question 10

Whta is a DV?

Answer 10

the variable that is measured by the researcher as a result of manipulating the IV