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:

Ambulatory Payment Classifications

A system used in the United States for billing Medicare for outpatient services that categorizes procedures and services into groups that are expected to consume similar resources.

Medicare

A federal health insurance program in the United States for people who are 65 or older, certain younger people with disabilities, and people with End-Stage Renal Disease.

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Software applications designed to manage financial transactions and records, enhancing the accuracy and efficiency of accounting practices.