What are some reasons that it is not always possible for researchers to carry out a study in an experimental ​framework? select all that apply.

a. subjects cannot be relied upon to behave as needed for the experiment.

b. when an opinion is sought with no interest in assessing the causality.

c. some studies can be unethical to carry out in an experimental framework.

d. a conclusion is needed sooner than it would take to set up an experiment.

The correct answer is:

C. Some studies can be unethical to carry out in an experimental framework.

Step-by-step explanation:

Sometimes it is not possible for researchers to carry out the development of an experimental framework, since the full well-being and integrity of its participants may not be assured in the implications that must be taken into account for its application.

For this reason they could be considered unethical since they threaten the individual or his environment in some way. For example, in the medical field, it is very important to take special care with this type of research to ensure the well-being and health of the individuals involved, due to the fact that any failure in the application of such experiments could even result in the death of any of the individuals. .

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