as edexcel research methods- experiments
- Created by: xashleighjx
- Created on: 19-12-16 20:59
Other questions in this quiz
2. what is a weakness of a field experiment?
- lack of control over setting can introduce too many extraneous variables
- high control over environment
- low demand characteristics
- high in ecological validity
3. what is reliability?
- anything that could bias the research has been minimised or eliminated, allowing research outcomes to speak for themselves
- if similar results are obtained when the same participants are tested again then the measure is said to be reliable
- the test retest method
- artificial tasks
4. what is an example of a null hypothesis?
- there will be a significant difference is driving performance between those who drink alcohol before driving and those who drink orange juice before driving
- there will be no significant difference in peoples driving performance whether they drink alcohol or not
- people who drink alcohol before driving will make significantly more driving mistakes than those who drink orange juice
5. what is an advantage of matched pairs design?
- it lowers the validity of the findings
- it lowers demand characteristics
- increases extraneous variables
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