Risk based testing

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  • An Introduction to Software Testing by Nick Jenkins In summary - you are free: to copy, distribute, display, and perform the work and to make derivative works. You must attribute the work by directly mentioning the author's name. You may not use this work for commercial purposes and if you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. For any reuse or distribution, you must make clear to others the license terms of this work.

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  • This study examines the significance of the risk factors in the CAPM with higher order co-moments using a two-pass methodological technique of Fama and Macbeth. Stock prices of 53 companies out of the 207 listed in Nigerian Stock Exchange (NSE) for a sample period January 2003 to December 2011 are analyzed. The study particularly augments the model using unconditional and conditional information.

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  • The risk management processes described in this book had their genesis well over 20 years ago when I accepted a position at the University of Southampton. There I met and worked with Dr Chris Chapman, already an acknowledged expert in project risk, with an established relationship with BP and an extensive client base in Canada. Chris involved me in his consulting activities in North America, primarily associated with quantitative risk analyses of large projects in the hydroelectric and the oil and gas industries....

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  • When you finish this chapter, you should: Describe the scope and objectives of audit work, and identify the major steps in the audit process; identify the six objectives of an information system audit, and describe how the risk-based audit approach can be used to accomplish these objectives; describe the different tools and techniques auditors use to test software programs and program logic.

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  • In 2007, the National Research Council (NRC) released a report titled Toxicity Testing in the 21st Century: A Vision and a Strategy. That report pro- posed a new paradigm for toxicity testing that envisioned evaluation of biologi- cally significant perturbations in key toxicity pathways by using new methods in molecular biology, bioinformatics, and computational toxicology and a compre- hensive array of in vitro tests based primarily on human biology. The revolution in toxicity testing is under way, and a large influx of new data is anticipated. The U.S.

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  • The abnormal lump or spot may be found using mammography or other testing methods. A procedure called a biopsy removes a piece of tissue from the lump or spot to find out if cancer cells are present. The pathology report will tell you what kinds of cells are present. is the breast cancer invasive? If breast cancer is found, it’s important to know whether the cancer has spread outside the milk ducts or lobules of the breast where it started. Non-invasive cancers stay within the milk ducts or milk lobules in the breast. They do not grow into or invade normal...

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  • This chapter aims at providing a research background on mobile commerce. Also, this chapter postulates the research gaps. Briefly, it is the if and how the perception of risk and security simultaneously affects continuance intention to use mobile commerce under the influence of considerations of future consequences that generates the need to conduct this study. Also, based on the research gap, this study delineates the research methodology and research scope. Regarding the research methodology, this research includes two studies: the pilot study and the main study.

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  • The study aims at examining the relation between return and risk of shares listed on the HCMC Stock Exchange (HOSE). Data for the study include series of VN-Index and stock prices of 80 shares listed on the HOSE gathered on a weekly basis from Jan. 2, 2007 to Dec. 31, 2009. The results based on the regression method show that the riskier the portfolio, the higher the return and a non-linear relation between return and risk of these shares does exist.

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  • The aim of this paper is to find distributions that adequately describe returns of the Belgrade Stock Exchange index BELEX15. The sample period covers 1067 trading days from 4 October 2005 to 25 December 2009. The obtained models were considered in estimating Value at Risk (VaR) at various confidence levels. Evaluation of VaR model accuracy was based on Kupiec likelihood ratio test.

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  • Initially, all the activities were mapped by using Supply Chain Operations Reference (SCOR) model. Next, the risk ranking was analyzed in a House of Risk 1 (HOR-1). Furthermore, some mitigation actions were deployed, then being analyzed by using HOR-2. For an illustrate purpose, the model has been tested in several case studies with fisheries companies in Can Tho, Mekong Delta. According to the results, 22 risk events and 20 risk agents were identified.

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  • The presence of Lynch syndrome (LS) can bring a lifetime of uncertainty to an entire family as members adjust to living with a high lifetime cancer risk. The research base on how individuals and families adjust to genetic-linked diseases following predictive genetic testing has increased our understanding of short-term impacts but gaps continue to exist in knowledge of important factors that facilitate or impede long-term adjustment.

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  • Sleep problems are a major risk factor for the emergence of depression in adolescence. The aim of this study was to test whether an intervention for improving sleep habits could prevent the emergence of depression, and improve well-being and cardiovascular indices amongst at-risk adolescents.

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  • In Germany, all preschoolers undergo a school entry examination (SEE). While most children are sufficiently served with standardized developmental tests only, for a small group of otherwise underserved children, the SEE should also include a subsidiary health checkup.

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  • Standard approach to low default portfolio (LDP) probability of default (PD) calibration is to add conservative add-on that should cover the gap with scarce default event data. The most prominent approaches to add-on calibration are based on an assumption about the level of the conservatism (quantile of default event distribution), but there is no transparent way to calibrate it or to relate the level of conservatism to a risk profile of the Bank. Over conservative assumptions can lead to undue shrinkage in LDP and negative shift in the overall risk-profile.

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  • The aim of this research is to show that unless the lending business is incentivised by an appreciable earnings potential the effect of the enforcement of the Basel III capital and liquidity requirements is sure to be a credit crunch. Initially, this empirical research hypothesis was tested against a number of independent variables reflecting trends in lending volumes; subsequently, these variables were used to establish if the risks of default that corporate borrowers face under the impact of credit rationing are likely to be heightened by other factors.

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  • This paper aims to develop testing model based on logistic regression with three factors to investigate the equity premium portion of CAPM model. It includes (1) literature review on equity premium of CAPM (Capital Asset Pricing Model) model; (2) Set up logistic regression model; (3) Data collection from Datastream; (4) Use of Matlab in regression; (5) Data input in logistic regression; (6) Create a homemade model to prove the nonexistence of equity premium puzzle. Together with investigating the proper definition of risk-free rate, this paper investigates and tests the basic model of CAPM.

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  • Modelling volatility in financial asset prices is very important for investment decisions and risk management. It is known that, political risk has a negative effect on stock returns. Especially, markets in which political risk increased, investment decisions change based on the changes that occur in financial asset returns. On the other hand, investors react more to negative shocks than to positive shocks. In this context, for a healthy investment policy, it is very important to make decisions having regard to the variance breaks that occur because of the political risk.

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  • In this study, a hybrid group acceptance sampling plan is proposed for a truncated life test when the lifetime of a system follows Sushila distribution. The minimum group size and operating characteristics values are determined when we fixed the sample group size and testing time (to). The operating characteristics values according to various consumers’ risk requirement are presented. The results are explained with the tables and suitable examples.

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  • Studies on the association of birth by caesarean section (C/S) and allergies have produced conflicting findings. Furthermore, evidence on whether this association may differ in those at risk of atopy is limited.

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  • Value at Risk (VaR) is the most popular market risk measure as it summarizes in one figure the exposure to different risk factors. It had been around for over a decade when Expected Shortfall (ES) emerged to correct its shortcomings. Both risk measures can be estimated under several models. We explore the application of a parametric model to fit the joint distribution of risk factor returns based on multivariate finite Gaussian Mixtures, derive a closed-form expression for ES under this model and estimate risk measures for a multi-asset portfolio over an extended period.

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