Typically,______________experiments Have Greater Internal Validity, And______________experiments Have Greater External Validity

Multiple Choice

Typically,______________experiments have greater internal validity, and______________experiments have greater external validity.

A) laboratory; field
B) field; laboratory
C) longitudinal; cross-sectional
D) The internal and external validities are usually the same for both types of experiments.
E) Neither internal or external validity is critical for experiments.