<p class="0abstract"> </p><p class="0abstract">This paper researches the evolution process of what is called two-factor authentication technique and its adaptation related to educational system through Internet. This a measure security employed, particularly in scopes which have valuable information like bank services. It witnesses developments so far as today, parallel with o...

Factor analysis is a standard tool in educational testing contexts, which can be fit using the EM algorithm (Dempster, Laird and Rubin (1977)). An extension of EM, called the ECME algorithm (Liu and Rubin (1994)), can be used to obtain ML estimates more efficiently in factor analysis models. ECME has an E-step, identical to the E-step of EM, but instead of EM’s M-step, it has a sequence of CM (...

Local health departments can be resources for the public and health professionals to access educational materials on a variety of topics. Though the dental office is ideal, it should not be the only venue for obtaining oral cancer educational materials. As part of a cancer prevention and early detection project, this pilot study solicited printed educational materials concerning oral cancer fro...