Forcing athletes in a research study to train at hazardous intensities without adequate safety monitoring directly violates which ethical principle?

A researcher undertaking an investigation into the effects of the internet upon sports leagues is an example of:

Match the types of variables in LIST-I with their corresponding meanings in LIST-II: LIST-I (Type of Variable) A. Extraneous Variable B. Dependent Variable C. Control Variable D. Moderator Variable LIST-II (Meaning) I. A factor that could possibly influence the results and that is kept constant or out of the study. II. A kind of independent variable (e.g., age, sex) that cannot be manipulated but is studied. III. A factor that could affect the relationship between the independent and dependent variables but is not controlled. IV. The measured effect or outcome resulting from the independent variable. Choose the correct answer from the options given below: