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MMLU-Pro / 8780 / Which of the following is the primary difference between an experiment and an…

Problem

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

question

Which of the following is the primary difference between an experiment and an observational study?

category

math

options

  1. In an experiment, the researcher has no control over variables; in an observational study, the researcher can manipulate variables.
  2. Experiments are only conducted on human subjects; observational studies can be conducted on nonhuman subjects.
  3. Observational studies are conducted in a lab setting, while experiments can be conducted in any environment.
  4. Experiments must be double-blind; observational studies do not need to be.
  5. In an experiment, the researcher observes without interfering; in an observational study, the researcher manipulates the environment.
  6. Experiments can only be conducted once; observational studies can be repeated.
  7. Experiments must use randomized treatment and control groups; observational studies also use treatment and control groups, but they do not need to be randomized.
  8. Experiments involve quantitative data; observational studies involve qualitative data.
  9. In an experiment, the researcher manipulates some variable to observe its effect on a response variable; in an observational study, he or she simply observes and records the observations.
  10. Experiments require a hypothesis; observational studies do not require a hypothesis.

src

ori_mmlu-high_school_statistics

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Source and history

upstream_id / Original problem ID
8780
task_id
70afb30e-a3f2-5b81-a7d4-48d436000108
task_key
default--test--8780
task_revision_id
1
config / split
default / test

Official source

initial import