Presents a review of empirical studies on the classification of attempted suicide over the period 1963-93. Investigated whether there is research evidence for a valid classification of homogeneous subgroups of suicide attempts. Found two clearly distinguished subgroups (characterized by mild and severe suicide attempts) which constitute the…

This paper reviews evidence of the success of behavior intervention approaches which teach students with challenging behaviors alternative functional communication behaviors. Research supporting the view that challenging behavior is a form of nonverbal communication is reviewed, noting the importance of identifying what such individuals are…