[ABSTRACT] OBJECTIVES: the purpose of the present study is to determine the influence of the caregiver?s assertive skill in his own percepcion of the burden.METHOD: Eighty-two caregivers-relatives of Alzheimer patients participated in this study with a mean age of 74.78 years old and a tipical desviation of 7.77 These caregivers were in their mayority daughters with ages between seventeen and seventy-seven years old (mean of 48.96 and tipical desviation of 13.56) They were evaluated filling