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:

Medulla

The inner region of an organ or tissue, notably in the adrenal glands and kidneys, involved in various regulatory processes.

Infundibulum

A funnel-shaped structure, specifically in anatomy can refer to the connection between the hypothalamus and the pituitary gland or the passage in the ovary through which the egg travels.

Corpus Callosum

A thick band of nerve fibers that divides the cerebral cortex lobes into left and right hemispheres, facilitating communication between the two sides of the brain.

Insula

A region of the brain's cerebral cortex, situated deep within the lateral sulcus, involved in consciousness, emotion, and regulating the body's homeostasis.