Validation of the MBI-C Scale in French

"The original version has 34 items, divided into 5 areas:~* a reduction in motivation, interests and initiative~* the appearance of mood disorders~* dysregulation of impulse management~* loss of conventions and societal norms~* the abnormal development of strongly held beliefs and sensory experiences~The items are rated based on the occurrence of the severity of the disorders in the previous six months on a scale of 0 to 3.~This scale is completed by a member of the healthcare team on the basis of information collected from the relative (informant) either in person but also by telephone The score varies between 0 and 102. The higher the score, the more psychological and behavioral symptoms are present.~The test lasts 10 minutes."