Variables

Question 1

Independent ?

Answer 1

What you change/manipulate that will have an effect on the dependent variable) - (what u measure)

Question 2

Dependent ?

Answer 2

What you are measuring

Question 3

Control ?

Answer 3

What you have to keep the same/compare to the IV

OCD - treatment - giving IV drug/CBT giving the Control only Drugs

Question 4

What is operationalisation of variables ?
Breaking down behaviours into catergories

Answer 4

Making sure variables are in a form that can be tested. (simplifying)

Defining abstract concepts into measurable observations.
Breaking down behaviours into categories.

Defining how concepts will be measured - (scales -questionnaires)

Question 5

Extraneous variables ?

Answer 5

Anything that is not the IV that could affect the results.
Measuring infradian rhythms - students
Stress from exams could affect sleep

Question 6

Confounding variables ?

Answer 6

Occurs when a extraneous variable has not been properly controlled in the experiment.
A 3rd variable that influences the relationship between the IV and DV
Makes the research invalid - potentially not measured what set out to find.