Cognitive area Flashcards
Loftus and Palmer
Loftus and Palmer:
Research method
Lab experiment
Loftus and Palmer:
Experimental design
Independent measures design
Loftus and Palmer:
Types of data used
Mean - speed and y/n broken glass
Loftus and Palmer:
Ethical considerations
Deception - did you see any broken glass?
Protection from harm - Could bring back traumatic memories
Loftus and Palmer:
Internal validity
Lots of control over extraneous variables -
Used same videos etc
Lab experiment
Loftus and Palmer:
Ethnocentrism
All participants from same US uni
Can only be applied to western cultures
Loftus and Palmer:
Reliability
Same treatment for everyone - increased reliability
Loftus and Palmer:
Sampling Bias
Age bias - only uni students
May not have experience of adult drivers
Loftus and Palmer:
Ecological validity
Knew they were taking part in an experiment
May have shown demand characteristics
Grant et Al:
Research method
Lab Experiment
Grant et Al:
Experimental design
Independent measures design
Grant et Al:
Types of data used
Standard deviation - short answer questions and multiple choice questions
Mean - time it took to read
Grant et Al:
Ethical considerations
Right to withdraw - participants were friends of his so may have felt obliged to take part
protection from harm - tests may stress them out
Grant et Al:
Internal validity
Controlled lots of variables eg -
Same tape
Same questions
Same 2 minute break
Grant et Al:
Ethnocentrism
All from America
