Guidelines for conducting ethical research with clinical populations

Ethical Principles of Psychologists and Code of Conduct (https://www.apa.org/ethics/code/) 

• 8.01 Informed Consent
• 8.04 Protect research participants from consequences
• 8.06 No inappropriate offering of persuasion
• 8.07 No deception about research causing emotional harm
• 8.08 Provide debriefing
• Respect research participants confidentiality

Reference:
https://www.apa.org/ethics/code/