The purpose of this study is to apply the same principle of assessing somatic pain to psychological pain using the level of agitation as a surrogate marker. This study will compare a self-rated agitation scale to the other measures of agitation (Brief Agitation Tool, Positive and Negative Syndrome Scale-Excited Component, and Agitation Behavior Scale). An analysis of the data will provide information concerning the accuracy of a self-administered scale in assessing agitation. The secondary purpose will to determine the correlation of a measure of psychological pain (Psychological Pain Assessment) to level of agitation.