Question

How can you identify if a case study is an observational study?(1 point)
Responses

The study randomly assigns participants to different groups and changes variables to observe the effects on the outcomes.
The study randomly assigns participants to different groups and changes variables to observe the effects on the outcomes.

The study observes and records participants' behaviors in their natural environment without any intervention by the researchers.
The study observes and records participants' behaviors in their natural environment without any intervention by the researchers.

The study includes controlled experiments where specific variables are changed to test a hypothesis.
The study includes controlled experiments where specific variables are changed to test a hypothesis.

The study simulates real-world scenarios and measures participants' responses in a laboratory setting.
The study simulates real-world scenarios and measures participants' responses in a laboratory setting.
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Answer 1

The correct choice is: "The study observes and records participants' behaviors in their natural environment without any intervention by the researchers."

Reason: observational studies involve no researcher-imposed interventions or random assignment — researchers only observe and record.