Sonja Conducts an Experiment to Determine Whether Listening to Music

question 36

Multiple Choice

Sonja conducts an experiment to determine whether listening to music affects emotional state. She has children wait alone in a room that either did or did not have music playing and then has them complete a questionnaire asking about their current level of happiness. The independent variable in this study is

• A) how happy they were before the study began.
• B) being alone in the room while waiting.
• C) whether or not music was playing in the room.
• D) their level of happiness as rated on the questionnaire.

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Definitions:

Muscle Tension

The condition where muscles of the body remain semi-contracted for an extended period, often as a response to stress or physical exertion.

Sleeplessness

The condition of being unable to sleep, regardless of the desire or effort to do so; also known as insomnia.

Obsessive-Compulsive Disorder

A mental disorder characterized by repetitive thoughts (obsessions) and behaviors (compulsions) that the individual feels the urge to perform.

Intrusive Thoughts

Unwanted and often distressing thoughts or images that spontaneously enter a person's mind.