The methodology of the study wasn't designed to test transmission methods. They needed a 100% transmission rate because the experiment was testing if a substance caused a disease. Can't test effect without limiting variables, transmission rate being a major factor to CONTROL, not TEST.
The methodology of the study wasn't designed to test transmission methods. They needed a 100% transmission rate because the experiment was testing if a substance caused a disease. Can't test effect without limiting variables, transmission rate being a major factor to CONTROL, not TEST.