You are conducting a study utilizing quota sampling to determine how age impacts anxiety in pediatric patients . You want half of your sample to be <8 years old and half to be =8 years old . You begin enrolling on your unit and complete enrolling the -year -old portion of your sample the first day and still need 6 more subjects who are < 8 years old . You return the second day and begin by taking the following action :

A. estimate your sampling error by determining the age of all patients that day

B. enroll all of those who are years old and eligible to participate that day

C. enroll the first six patients who are < 8 years old and eligible to participate

D. randomly select six more subjects who are old