Because factory owners could pay children less money than they paid adults.
Good question! Uuuhhh yike idk
We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America. Maybe our constitution has answers
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.
