Keywords (aims, hypothesis)

Question 1

Define aim

Answer 1

• A statement that explains the purpose of a study (e.g. to investigate…).

Question 2

Define hypothesis

Answer 2

• A clear, precise and testable statement of the impact one variable has on another.

Question 3

Define independent variable

Answer 3

• The factor in a study that varies- it can be manipulated by the researcher or can vary naturally.

Question 4

Define dependent variable

Answer 4

• The factor in a study that is measured by a researcher.

Question 5

Define extraneous variables

Answer 5

• Any variables (except the IV) that could effect the DV.

Question 6

Define operationalisation

Answer 6

• Making variables specific and measurable.

Question 7

Define alternative hypothesis

Answer 7

• A statement of effect (either a difference or correlation) between variables.

Question 8

Define null hypothesis

Answer 8

• A statement of no effect or relationship between variables.

Question 9

What are the 2 types of alternative hypothesis?

Answer 9

• Directional and non directional.