Stats GCSE Experiments

What’s a laboratory experiment?

An experiment conducted in a controlled environment

Pro’s of laboratory experiments

Easy to replicate

Extraneous variables can be controlled

Con’s of laboratory experiments

Test subjects may behave differently under test conditions than in real life

What’s a field experiment?

An experiment carried out in the test subjects’ everyday environment (researcher controls some variables)

Pro’s of field experiments

More likely to reflect real life behavior

Cons’s of field experiments

Cannot control extraneous variables

What’s a natural experiment?

An experiment carried out in the test subjects’ everyday environment (researcher has no control over any variables)

Pro’s of natural experiments

More likely to reflect real life behaviour

Con’s of natural experiments

Cannot control variables (difficult to replicate)

What’s an interview?

Pro’s of interviews

Con’s of interviews

What’s an anonymous questionnaire?

Pro’s of anonymous questionnaires

Con’s of anonymous questionnaires

What’s the explanatory variable?

What’s the response variable?

What’s the extraneous variable?