The rights of an Internet user acting anonymously conflicts with the rights of a Server victim identifying the malicious user. The ERPINA protocol, introduced in this paper, allows an honest user communicating anonymously with a Server through a PET, while the identity of a dishonest user is revealed. Prior research failed to distinguish objectively between an honest user and an attacker; and a...

Doping is the use of drug for the purpose of improving performance in general and sports performance in particular. Rejection or acceptance of the use of banned substances by athletes is determined by internal factors that are subjective and external or social. Against this background, the present study examined social risk factors as determinants of intention (temptation) to use banned substan...

Major League Baseball pitcher Roger Clemens has been accused of using performanceenhancing drugs to boost his performance. If Clemens used ergogenic aids consistent with the accusations of use, then unusual changes in productivity may be evident in his performance record. Two previous studies have examined Clemens’s career and reached conflicting conclusions: Bradlow et al. (2008) declares Clem...