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MMLU / To study the effect of music on piecework output at a clothing manufacturer, two…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

To study the effect of music on piecework output at a clothing manufacturer, two experimental treatments are planned: day-long classical music for one group versus day-long light rock music for another. Which one of the following groups would serve best as a control for this study?

choices

  1. A third group for which no music is played
  2. A third group that randomly hears either classical or light rock music each day
  3. A third group that hears day-long R & B music
  4. A third group that hears classical music every morning and light rock every afternoon

subject

high_school_statistics

Discussion

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Source and history

task_id
76769a1d-d5fa-5f2c-998c-e91c07161a29
task_key
all--test--76769a1d-d5fa-5f2c-998c-e91c07161a29
task_revision_id
1
config / split
all / test

Official source

initial import