Laboratory Experiments Evaluation

What is a key characteristic of laboratory experiments?

Involves manipulation of the independent variable (IV)

What is a disadvantage of laboratory experiments mentioned in the text?

Problems of demand characteristics

In what type of environment are field experiments conducted?

Natural environment

What is a strength of field experiments mentioned in the text?

High ecological validity Signup and view all the answers

In laboratory experiments, what is the main advantage of random allocation to experimental/control groups?

Helps in inferring causation from the independent variable (IV) Signup and view all the answers

What is a limitation of field experiments as mentioned in the text?

Low ecological validity Signup and view all the answers

What distinguishes a field experiment from a laboratory experiment?

Higher ecological validity Signup and view all the answers

What is a weakness of field experiments compared to laboratory experiments?

Higher chance of extraneous variables affecting results Signup and view all the answers

Why are quasi-experiments not considered 'true' experiments?

Lack of manipulation of IV Signup and view all the answers

What distinguishes natural experiments from other methods?

IV arises naturally Signup and view all the answers

What is a potential limitation of natural experiments?

Threat to internal validity Signup and view all the answers

Why are natural experiments useful when manipulating the IV is unethical?

Allows investigation of 'real' problems Signup and view all the answers

What distinguishes participant observations from other research methods?

Observing participants in their natural environment Signup and view all the answers

Why are participant observations valuable in certain research contexts?

'Real' problems investigation Signup and view all the answers

'What is a limitation of participant observations compared to controlled experiments?

Lower ecological validity Signup and view all the answers

What distinguishes difference studies within the category of quasi-experiments?

Presence of naturally arising IV Signup and view all the answers