2. What activities are done in an observational study?

A. Measuring, counting, or noting other properties like color or behavior.
B. Conducting a controlled experiment in which you manipulate or change certain factors and watch for responses in other factors.
C. Using horoscopes to make predictions for the future.
D. Creating a representation of a real thing and imitating its characteristics or behaviors.



Answer :

Final answer:

Observational studies involve gathering data without manipulating subjects to observe natural behaviors.


Explanation:

Observational studies involve gathering data through measurements or interviews without manipulating subjects. For example, in a political poll, adults' opinions are measured to understand voter preferences. Observational studies allow researchers to observe natural behaviors without interference.


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