variables
- Created by: gracemae31
- Created on: 26-04-21 13:32
View mindmap
- experiments and variables
- experiments
- always had an IV and DV
- experiments are trying to find a difference
- only research method you can assume cause and effect
- variables
- anything that can be measured and can change
- eg age, test scores
- independent variable
- the variable being manipulated by researcher to see if there's an effect on the dependent variable
- what changes
- always put both sides of IV
- dependent variable
- the effect- the thing being measured by researcher
- what we measure
- always use units
- eg time taken in seconds to run 100 metres...
- extraneous variables
- any unwanted variable that could affect the results (other than iv) if not controlled
- if extraneous variable is not controlled it will confound the results (alter) so results are meaningless
- confound variables
- its an extraneous variable which DID effect/ influence the IV
- confound variables can occur when...
- lack of control over pp
- lack of control over materials used
- lack of control over enviroment
- lack of control over practise and order effects
- anything that can be measured and can change
- experiments
Comments
No comments have yet been made