ethical issues

• RIGHT OF WITHDRAWAL


  research participants must be allowed to leave the research at any stage and must be informed of this right
• DEBRIEFING


  after the study is finished, the researcher should provide subjects with complete details about the study
• CONFIDENTIALITY


  the right to have personal information protected, the researches shouldn't use participants name in their published results
• INFORMED CONSENT


  a researcher should tell subjects about their expected roles in the study, any risks of participating, and their freedom to withdraw from it