Which of the Following Is a Weakness of Experimental Research

Multiple Choice

Which of the following is a weakness of experimental research?

A) Experiments conducted in a lab setting are difficult to replicate than other methods of data collection.
B) In experiments conducted in the lab settings,the researcher has no control over the conditions to which participants are subjected to.
C) Experiments that are conducted in applied settings are subject to artificiality.
D) Reliability is a problem with respect to experimental research.
E) Problems of external validity might arise when the conditions of an experiment don't adequately represent those of the world outside the boundaries of the experiment.