introduction: based on individual independence rights, patients can refrain from being treated or can voluntarily discontinue their treatment after receiving full information. this study aimed to review the reasons of treatment refusal and the status of informed refusals for patients. methods: this was a cross-sectional descriptive study. the study population included 135 patients who refused t...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 introduction: patients’ decision-making and legal capacity are major factors of informed consent considered as a basis of medical ethics. this study aimed to determine the undergoing surgery inpatients capacity to sign the consent form and admission clerks’ performance in taking the form in teaching hospitals in kashan. me...

The trend in architectural designs has been towards using simple cores for building multicore chips, instead of a single complex out-of-order (OOO) cores, due to the increased complexity and energy requirements of out of order processors. Multicore chips provide better performance when compared with OOO cores while executing parallel applications. However, they are not able to exploit the paral...

Recently, the University of Pittsburgh's Biomedical Institutional Review Board (IRB) undertook a survey to determine certain aspects of the informed consent procedure. We chose one new protocol from each principal investigator who submitted one or more protocols for IRB approval. The time period surveyed was July 1, 1982, to June 30, 1983, which should have uncovered research recently completed...

This paper investigates the statistical detection of Jsteg steganography. The approach is based on the statistical model of Discrete Cosine Transformation (DCT) coefficients. The hidden information detection problem is case in the framework of Hypothesis testing theory. In an ideal context where all model parameters are perfectly known, the Likelihood Ratio Test (LRT) is presented and its perfo...