L5: Aims + Hypotheses

Question 1

What is an Aim?

Answer 1

A precise statement about the purpose of a study and what it intends to find out. Should include what is being studied and what the study is trying to achieve

Question 2

What is the second step?

Answer 2

Decide upon the IV and DV and operationalise them

Question 3

What is the third step?

Answer 3

Decide on a Hypothesis and operationalise it. A hypothesis is a precise, testable statement about the expected outcome of an investigation

Question 4

What are the two type of hypothesis?

Answer 4

• Null hypothesis: states the IV has no effect on DV

- Experimental Hypothesis (2 types): states IV has an effect on DV

Question 5

What are the two types of experimental hypotheses?

Answer 5

• Non-directional Hypothesis (two tailed): does not state direction of predicted differences between conditions
• Directional Hypothesis (one tailed): states direction of predicted difference between condition (will de/increase)