This form is a record that the purpose of the study has been explained to you, and that you are willing to allow your information to be included in the study. • Precaution in use of stressors or emotional material.• When deception used, subjects fully informed as to nature of research at feasible time. The purpose of this document is to assist researchers in addressing issues related to using deception in research with human subjects. Deception and partial disclosure in research should only be used when alternate study designs would be inadequate to answer the research question(s). Using Deception in Research. Studies may use deception if it is necessary to answer the research question. Although coordinated patterns of body movement can be used to communicate action intention, they can also be used to deceive. Psychological Reports, 52(3), 899–906. If the research involves deception, the offer to withdraw should be given during debriefing.