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In a recent theoretical model of attention-deficit/hyperactivity disorder (ADHD), Barkley (1997a) predicted that ADHD children experience impairments in their psychological sense of time. This was demonstrated in a series of experiments by Barkley, Koplowicz, Anderson, and McMurray (1997). The present study sought to investigate the effects of ADHD subtype,(More)
Semantic textual similarity (STS) systems are designed to encode and evaluate the semantic similarity between words, phrases, sentences, and documents. One method for assessing the quality or authenticity of semantic information encoded in these systems is by comparison with human judgments. A data set for evaluating semantic models was developed consisting(More)
Social media offer a real-time, unfiltered view of how disasters affect communities. Crisis response, disaster mental health, and—more broadly—public health can benefit from automated analysis of the public's mental state as exhibited on social media. Our focus is on Twitter data from a community that lost members in a mass shooting and another(More)
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