An important task in information access methods is distinguishing factual information from speculative or negated information. Fine-grained certainty levels of diagnostic statements in Swedish clinical text are annotated in a corpus from a medical university hospital. The annotation model has two polarities (positive and negative) and three certainty levels. However, there are many e-health sce...

This investigation quantitatively characterized the certainty of the aging neuromuscular system in selecting a joint range of motion during gait based on the statistical concept of entropy. Elderly and young control groups walked on a treadmill at a self-selected pace. Joint angles were calculated for the ankle, knee and hip. We hypothesized that the aging group would exhibit less certainty in ...

Psychological certainty plays a key role in shaping people’s thoughts, judgments, attitudes, and behaviors. This article provides an overview of recent work on attitude certainty, which has been the subject of considerable attention in the social and consumer psychology literatures. In particular, this article describes the consequences of feeling certain or uncertain of an attitude, outlines t...

In this paper we describe an algorithm for fault-tolerant sensor mapping for robotic vision. Basically, we use a certainty grid algorithm to map distance measurements into a two-dimensional grid. The well-known certainty grid algorithm can tolerate occasional transient sensor errors and crash failures, but will fail when a sensor provides permanently faulty measurements. Therefore we extended t...

This study examined whether rumination and certainty about pessimistic future-event predictions (P-Certainty) would mediate the relation between lifetime suicide attempt history and future suicidal ideation. Young adults, ages 18-25 (N = 143), with a suicide attempt history (n = 32) or no previous suicide attempt history (n = 111) at baseline, were followed up 2-3 years later and completed meas...

People's estimations of how certain speakers are of their knowledge (FOAK) match speakers' own estimation (FOK) of how certain they are (Brennan & Williams, 1995). This is because others can interpret the verbal and nonverbal cues of (un)certainty that a speaker displays (Brennan & Williams, 1995; Swerts & Krahmer, 2005). Estimating another's certainty thus seems to be driven by the bottom-up p...

Financial support for this research was provided by the United States Agency for International Development’s Strategies and Analyses for Growth and Access (SAGA) Project, the Social Science Research Council’s Program in Applied Economics on Risk and Development (through a grant from the John D. and Catherine T. MacArthur Foundation), the Yale Economic Growth Center and the Pew Charitable Trusts...

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