A study published in 2007 by Christopher Johnson, Professor of Music Education and Music Therapy at the University of Kansas, revealed that students in elementary schools with superior music education programs scored around 20 percent higher in math scores on standardized tests, compared to schools with low-quality music programs. Is this an observational study or a randomized experiment?
A) Observational study
B) Randomized experiment

Question

Quizplus · Accepted Answer

This is an observational study because it observes and compares existing conditions (quality of music programs) without manipulating any variables or randomly assigning subjects to different groups.

A Study Published in 2007 by Christopher Johnson, Professor of Music