What is an aim?

What is a hypothesis?

What are the 2 types of hypothesis'?

What is a directional hypothesis?

What is a non-directional hypothesis?

What is it called when the researcher predicts that the independent variable will have no effect at all on the dependent variable?

What is an independent variable?

What is a dependent variable?

What is a pilot study?

What are the 3 main sampling methods?

What does generalisability mean?

What is opportunity sampling?

What is an advantage of opportunity sampling?

What is a weakness of oppurtunity sampling?

What is volunteer sampling?

What is one advantage of volunteer sampling?

What is one disadvantage of volunteer sampling?

What is random sampling?

What is one advantage of random sampling?

What is one disadvantage of random sampling?

What is a laboratory experiment?

What is a field experiment?

What is a natural experiment?