types of experiment

Question 1

lab experiment

Answer 1

an experiment that takes place in a controlled environment within which the researcher manipulates the iv and records the effects on the dv, whilst maintaining strict control of extraneous variables

Question 2

field experiment

Answer 2

an experiment that takes place in an natural setting within which the researcher manipulates the iv and records the effects on the dv

Question 3

natural experiment

Answer 3

an experiment where the change in the iv is not brought about by the researcher but would have happened even if the researcher had not been there. the researcher records the effect on the dv

Question 4

quasi-experiment

Answer 4

a study that is almost an experiment but lacks key ingredients. the iv was not determined by anyone - the variables simply exist, such as being old or young. strictly speaking this is not an experiment