What Types of Laboratory Experiments Are Most Desirable

Multiple Choice

What types of laboratory experiments are most desirable?

A) When the sample is representative of the population to which the results are generalized.
B) When the experiment's context and conduct are natural so that the subjects behave realistically.
C) When the intent of the experiment is to achieve high levels of internal validity.
D) When the intent of the experiment is to achieve high levels of external validity.
E) None of the above are desirable.