which best explains why replicating an experiment should be done by someone other than the person who…

which best explains why replicating an experiment should be done by someone other than the person who originally did the experiment?\nit shows that the results are the same using different methods.\nit shows that the experiment is easy to do.\nit shows that the results are as expected.\nit shows that the experiment is designed properly.
Answer
Answer:
It shows that the experiment is designed properly.
Brief Explanations:
Cuando alguien distinto replica un experimento, demuestra que el diseño del experimento es sólido y no depende de la subjetividad o de métodos específicos del experimentador original. Esto confirma que los resultados son confiables y no un artefacto de cómo el primer investigador condujo el experimento.