Random assigment can be described as a research method:

A used to balance the independent and dependent variable
B no longer used because of its unpredictability
C increasing the likelihood that experimental group and control group will be different
Cused to balance the control and experimental groups
I THINK CORRECT ANSWER IS A OR D

2 answers

Random assignment is used to make the experimental groups more like the population they represent. D is the answer. A makes no sense
Are these people a worker in a farm? Which is the Independent and Dependent variable and Control group