What are the 4 types of experiment?
Lab
Field
Natural
Quasi
Describe Lab experiment
Describe Field experiment
Describe Natural experiment
Describe Quasi experiment
What are the 3 experimental designs?
Independent Groups
Different participants are used in each condition
Matched pairs
Different participants are used in each condition but they are methods on relevant characteristics e.g. age and gender
Repeated measures
Same participants are used in all conditions
What are the 4 types of observation?
Covert
Researcher hidden
Overt
Participants aware of being observed
Participant
Researcher acts like a participant
Researcher
Researcher not involved
Naturalistic
Carried out in real life environment
Controlled
Artificial setting used
Structured
Using a tally sheet of behavioural categories
Unstructured
Recording all relevant info without a system
What are behavioural categories?
They serve the purpose of operationalising the variable being observed
for example if they are observing aggression
- Kicks
- Hits
- Bites
- Verbal
Why are behavioural categories good?
Reliability
Refers to consistency
- Following up studies
- Tests
- Questionaries’
- Between observers (Called observer reliability)
Validity
Refers to how true or accurate something
- Ecological
- Population
- Historical
What is a pilot study?
It is a preliminary study before the big study which is small scale and tests the original.
What are the advantages of a pilot study?