The Difference Between an Experiment and an Observational Study Is

question 32

Multiple Choice

The difference between an experiment and an observational study is that

• A) observational studies don't have explanatory and response variables.
• B) experiments don't have placebos.
• C) an experiment imposes treatments on subjects, while an observational study accepts existing treatments.
• D) experiments are double-blind, while observational studies are only single-blind.
• E) All of the above

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Definitions:

Individual Choice

The decisions made by an individual based on preferences and constraints in order to maximize utility or satisfaction.

Renewable Resources

Natural resources that can be replenished naturally over time, such as sunlight, wind, and biomass.

True Cost

The real cost of production, considering all direct and indirect expenses, as well as opportunity costs.

Occupational Stress

The stress experienced as a result of job demands and pressures that do not match a person's knowledge, skills, or abilities and challenge their ability to cope.