منابع مشابه
Assurance and Assurance Cases
Assurance provides confidence that a system will work as required and not cause harm. Confidence is based on justified beliefs about the system and its environment, and justification can be developed and documented as an assurance case comprised of a structured argument grounded on evidence. For justification to be compelling, the argument must be indefeasible, meaning that we have so thoroughl...
متن کاملAppendix from R . P . Freckleton et al . , “ Relating Traits to Diversification : A Simple Test
Thus, the mean speciation rate is higher than that predicted at the average trait value by a factor proportional to the variance in x and the square of b. Notably, however, the difference in this case is simply a multiplicative factor, and the underlying relationship is of the same form as equation (2). The effects of this need not be so simple. For instance, consider the more complex logistic ...
متن کاملQuality Assurance Whose Quality and Whose Assurance?
Government involvement in quality assurance is becoming the trend in many countries, including New Zealand. What values underpin the systems that evolve in each country, and who has given legitimacy to them? In the context of the prevailing ideology of early childhood, this paper unpacks quality assurance in Australia and comments on the assumptions, taken for granted premises and values which ...
متن کاملDoes Diversification Cause the "Diversification Discount"?
Using recent econometric developments about causal inference, I examine whether diversification destroys value. I estimate the value effect of diversification by matching diversifying and single-segment firms on their propensity score-the predicted values from a probit model of the propensity to diversify. I also use Heckman 's (1979) two-stage estimator for comparison purposes. Ifind that on a...
متن کاملSoftware Assurance Using Structured Assurance Case Models
Software assurance is an important part of the software development process to reduce risks and ensure that the software is dependable and trustworthy. Software defects and weaknesses can often lead to software errors and failures and to exploitation by malicious users. Testing, certification and accreditation have been traditionally used in the software assurance process to attempt to improve ...
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ژورنال
عنوان ژورنال: L'Actualité économique
سال: 2009
ISSN: 1710-3991,0001-771X
DOI: 10.7202/601417ar