Select all the correct answers.

When doing medical research with human subjects, which four limitations are unavoidable?

- It's often impossible to repeat trials on the same subjects.
- Subjects may report an inaccurate medical history.
- It can be difficult to control all possible variables.
- There are ethical or privacy concerns to consider.



Answer :

Final answer:

Medical research on human subjects presents unavoidable limitations, including inability to repeat trials, inaccurate medical histories, variable control difficulties, and ethical concerns.


Explanation:

Limitations of medical research with human subjects:

  1. It's often impossible to repeat trials on the same subjects.
  2. Subjects may report an inaccurate medical history.
  3. It can be difficult to control all possible variables.
  4. There are ethical or privacy concerns to consider.

Research involving human subjects faces challenges due to ethical, practical, and variable control limitations.


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