L3: Experimental Methods 1

Question 1

What is a hypothesis?

Answer 1

A prediction of what you will see in a piece of research

Question 2

What is a null hypothesis

Answer 2

The starting point for every study. Says there is nothing going on, there is no difference between the groups, or no relationship between the measures

Question 3

What is a nuisance variable?

Answer 3

An extraneous variable (an additional factor that affects the dependent variable)

Question 4

How do you deal with nuisance variables?

Answer 4

• try to turn it into a control variable/ constant variable. Always test in the same place, same conditions etc
• of the nuisance variables varies across conditions, it becomes a confounding variable

Question 5

You can get more than one dependent variable

Answer 5

Just so you know