MY NOTES In 2019, the Economic Policy Institute published a report titled "The Teacher Shortage Is Real, Large, and Growing, and Worse than We Thought."+ Interested in the causes of the teacher shortage, suppose a researcher wants to conduct a follow-up study measuring job satisfaction among teachers and other professionals who work in schools. They start by dividing educational roles into five groups: administrators, experienced teachers, new teachers, teachers' aides, and other school staff. They then randomly select educators from within each of these five groups. Would this sample be a simple random sample, a systematic sample, a stratified sample, or a cluster sample? O simple random sample O systematic sample stratified sample cluster sample Need Help? Read It