Which of the following is a disadvantage of conducting a laboratory experiment?

a.) cause-and-effect relationships are easier to determine in laboratory experiments

b.) laboratory experiments do not generally reflect real-life circumstances

c.) there is more objectivity in measuring the dependent variable in laboratory experiments

d.) replicating the study is difficult for laboratory experiments

Answer : Option B) Laboratory experiments do not generally reflect real-life circumstances.

Explanation : While conducting an experiment in the laboratory one gets deprived of the real-life circumstances. As in the laboratory there are lower risks and things are under control. The same is  not outside the laboratory; there may be many uncertainties that may occur during the experiment; as they are not in anyone's control. Optimizing the experimental conditions would be a hectic and tiring task if the experiments are conducted outside the laboratory.