A Music Teacher Had Noticed That Some Students Went to Pieces

question 2

Multiple Choice

A music teacher had noticed that some students went to pieces during exams. He wanted to test whether this performance anxiety was different for people playing different instruments. He took groups of guitarists, drummers and pianists (variable = 'Instru') and measured their anxiety (variable = 'Anxiety') during the exam. He also noted the type of exam they were performing (in the UK, musical instrument exams are known as 'grades' and range from 1 to 8) . He wanted to see whether the type of instrument played affected performance anxiety when controlling for the grade of the exam. What analysis should he use?

• A) Analysis of covariance
• B) Independent analysis of variance
• C) Repeated-measures analysis of variance
• D) Mixed analysis of variance

---

Definitions:

Demographic Shifts

Changes in the composition of a population over time, such as age, race, or gender distributions.

American West

A region in the United States that has been perceived as a frontier of development, characterized by its distinct cultural, economic, and historical attributes.

World War II

A global conflict that lasted from 1939 to 1945, involving most of the world's nations, and marked by significant events including the Holocaust and the atomic bombings of Hiroshima and Nagasaki.

Military Bases

Facilities established by a country's armed forces outside its own territory for the housing of military equipment and personnel, and for the provision of logistical support.