Types Of Experiments Flashcards
What is a lab experiment?
Conducted in artificial controlled environment - usually a standarised procedure
What is a standardised procedure?
A consistent/uniform set of instructions and methods
What is a field experiment?
Conducted in a more natural environment where behaviour could occur naturally
IV deliberately manipulated - ps not aware
Some control over EV
What is a quasi experiment?
Conducted in everyday environment
No control over IV (occurs naturally) or EV
What is reliability?
Extent which something is consistent
What is ecological validity?
Extent which findings can be GENERALISED to real world settings/situations
What is mundane realism?
Degree which study/experiment RESEMBLES real life situations/experiences
What is a natural experiment?
Conducted in everyday environment
No control over IV (naturally occurs) or EV
What is internal validity?
Extent which study accurately identifies a casual relationship between IV and DV, ruling out alternative explanations
What are demand characteristics?
Cues/hints that may help ps guess researchers hypothesis, potentially influencing their behaviour
What is random allocation?
Assigning ps to different groups randomly/in an unbiased way
What are two pros of lab experiments?
High control over EV (increases internal validity)
Replication possible due to standardisation
What are three cons of lab experiments?
Low ecological validity
Lack mundane realism
Demand characteristics (lowers internal validity)
What are two pros of field experiments?
Higher ecological validity
Less demand characteristics
What are two cons of field experiments?
Less control over EV (lowers internal validity)
Ethical issues (consent?)
