... participant with conclusive information, in order for participant to understand the nature of the research. * Confidentiality. The information about a participant during an investigation must be treated as confidential unless it has been agreed otherwise in advance. The identity of the participant must not be noted in public required under law legislations. If confidentiality cannot be guaranteed, the participant must be made aware of this in advance of agreeing to participate. * Observational research. If a study is based on observation, it must protect the psychological well being of the participants and also must respect their privacy. All participants must give consent to be observed and observational research is only allowed in situations where the people involved could expect to be observed by strangers. * Withdrawal from the investigation. Every participant must be made aware that they have the right to leave the investigation without any questions being asked and ...

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