Although Experimental Realism Is Desirable, It Has the Disadvantage(s) of

Multiple Choice

Although experimental realism is desirable, it has the disadvantage(s) of

A) increasing the complexity of the research procedures.
B) potentially distracting participants' attention from the manipulation of the independent variable.
C) leading to inconsistent experiences across research participants if experimenters or confederates make errors in the research procedure.
D) all of the above.