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:

Disk

A flat, thin, round object or medium, often used for storing digital data.

Femur

The femur is the thigh bone, which is the longest and strongest bone in the human body.

Cavity

A hole or space within the body or a solid structure, often referring to tooth decay in dentistry or a hollow area in anatomy.

Femur

The thigh bone, which is the longest, strongest, and heaviest bone in the human body, connecting the hip to the knee.