has a high degree of control over extraneous variables. Also provides a lot of internal validity
Weakness of lab
they can lack external validity as it is an artificial setting. Lacks mundane realism also.
Strength of Field
High level of ecological validity as it is not an artificial setting
Weakness of Field
There is a lot less control over extraneous variables as it is in a natural state
Weakness of field
Lots of ethical issues associated with field experiments. Many participants in field experiments are unaware they are taking place in one, therefore a breach of privacy rights
Strength of Natural
High level of external validity because the IV is occurring naturally.
Weakness of quasi
Issues surrounding bias as there can be no random allocation of participants in this type of experiment
