This report critically reflects upon the ethical considerations within quantitative research, emphasizing the paramount importance of participant protection. It addresses the necessity of safeguarding participants from potential risks, including physical harm, psychological distress, and privacy breaches, by adhering to principles of justice, respect, and beneficence. The report identifies vulnerable populations, such as children, institutionalized individuals, and those with mental disorders, highlighting their increased susceptibility to harm. It further explores the potential risks associated with research participation, including discomfort, physical complications, side effects, and emotional distress. The report defines research ethics, emphasizing ethical and moral principles that guide researchers in distinguishing right from wrong and protecting human participants. It examines the relationship between law, ethics, and morality, underscoring the role of ethics in providing judgment, morality in shaping societal values, and law in maintaining social order. Finally, the report outlines the ethical processes within the UK, emphasizing commitment, consciousness, and competency, and how these processes protect research participants, ensuring confidentiality and safety.