Being able to conduct simple reinforcer or preference assessments is an ESSENTIAL skill to have for effective learning no matter the subject matter, age, or developmental levels. This data sheet was designed by a BCBA with 20 years of clinical experience, with knowledge in designing materials for teachers and clinicians. This data sheet can be used for RBTs, paraprofessionals, or others implementing ABA and/or anyone working with another individual! It is great to use with new hires and for main