Inflammatory bowel disease (IBD), consisting of both Crohn’s disease (CD) and ulcerative colitis (UC), are chronic inflammatory conditions of the intestinal tract. As there is no cure for either CD or UC, patients with these conditions face numerous treatment decisions regarding their disease....

<Emphasis Type="Bold">Background: Many patient-reported outcomes (PRO) instruments are scored by averaging or summing Likert category values over all items or domains of the elicitation instrument, yielding domain-specific scores or a total score for the entire instrument. <Emphasis Type="Bold">Objective: To evaluate differences between...</emphasis></emphasis>

The NASA Technology Transfer Program has taken on a variety of roles during the past twenty years. This paper briefly reviews these roles. It presents then several organized approaches that could be adopted to maximize the cost/benefit of technology transfer from NASA to the private sector....

There are very few studies that quantify the interactions and tradeoffs between statistical and cognitive efficiency in designing stated-choice studies. While a conceptual framework for evaluating cognitive strategies would be desirable, Hensher adopts a strictly empirical approach in this...

This paper provides the results of a field test of contingent valuation estimates within a willingness to accept framework. Using dichotomous choice questions in telephone-mail-telephone interviews, we compare responses to real and hypothetical offers to survey respondents for the opportunity to...

With increasing attention on the contribution of ecosystems to human well-being, there is a need for tools that integrate ecological and economic models for valuing ecosystem services. To address this, we develop a protocol for linking ecological processes and outcomes to human preferences,...

Benefit–Cost Analyses for Security Policies describes how to undertake the evaluation of security policies within the framework of benefit–cost analysis and offers a unique contribution to analysis of homeland security regulations in the United States. The authors outline how established...

Benefit–Cost Analyses for Security Policies describes how to undertake the evaluation of security policies within the framework of benefit–cost analysis and offers a unique contribution to analysis of homeland security regulations in the United States. The authors outline how...

Benefit–Cost Analyses for Security Policies describes how to undertake the evaluation of security policies within the framework of benefit–cost analysis and offers a unique contribution to analysis of homeland security regulations in the United States. The authors outline how...

Benefit–Cost Analyses for Security Policies describes how to undertake the evaluation of security policies within the framework of benefit–cost analysis and offers a unique contribution to analysis of homeland security regulations in the United States. The authors outline how...