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?
This sample would be a stratified sample. The researcher divided the educators into five groups based on their educational roles, and then randomly selected individuals from within each of these groups.
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