Since field settings are NOT exactly like the laboratory situation, laboratory findings cannot easily be assumed to have
A) internal validity.
B) construct validity.
C) external validity.
D) criterion-related validity.
Question 2
Cook and Campbell (1979) noted that
A) measures used in the field are often invalid.
B) researchers cannot assume that findings from the lab will hold in the field.
C) field research is not reliable and should not be used to answer questions of causality.
D) All of the above