Options: Face validity
Content validity
Construct validity
Predictive validity.
Answer:Face validity
Explanation: Face validity is a term used in research to mean the extent or degree to which a measurement system was able to measure what it was intended to measure.
Face validity is also known as REPRESENTATION VALIDITY AND LOGICAL VALIDITY AND IT IS KNOWN TO SAVE A LOT OF TIME AND STRESS AS IT IS SEEN AS THE "COMMON SENSE" APPROACH TO DETERMINING THE VALIDITY OF A CONCLUSION.
It should be D. because they blockaded the mississippi river.
