We Took a Sample of Children Who Had Been Learning

question 7

Multiple Choice

We took a sample of children who had been learning to play a musical instrument for five years.We measured the number of hours they spent practising each week and assessed their musical skill by how many of 8 increasingly difficult exams they had passed.We also asked them whether their parents forced them to practise or not (were their parents pushy?) .What does the following graph show?

• A)The more time spent practising,the more musically skilled the children were and this relationship was stronger for those who had pushy parents compared to those who did not.
• B)The more time spent practising,the more musically skilled the children were,and this relationship was stronger for children who did not have pushy parents than for those who did.
• C)Children with pushy parents always passed more grade exams than those without.
• D)Practice causes better exam performance.

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Definitions:

Quintin Bandera

A notable figure in the Cuban War of Independence, recognized for his bravery and leadership in the struggle against Spanish colonial rule.

Black Soldiers

African American individuals who have served in the military forces, particularly noted for their roles in various American wars, overcoming racial barriers.

Spanish-American War

A conflict between Spain and the United States in 1898, resulting in the U.S. gaining territories in the western Pacific and Latin America.

Theodore Roosevelt

The 26th President of the United States (1901-1909) known for his progressive policies, leadership of the Rough Riders, and contributions to the conservation movement.