Far more serious than simple "bad dreams," night terrors is a condition that inflicts severe and long - lasting physical and psychological damage. The afflicted can be children or adults, and will exhibit such symptoms as violent kicking, striking out, and/or frenzied screaming during the sleep cycl[...]

A rogue virus that kills pregnant women has been let loose in the world, and nothing less than the survival of the human race is at stake.Some blame the scientists, others see the hand of God, and still others claim that human arrogance and destructiveness are reaping the punishment they deserve. Je[...]

By using familiar concepts from classical measurement methods and basic statistics, this book introduces the basics of item response theory (IRT) and explains the application of IRT methods to problems in test construction, identification of potentially biased test items, test equating and computeri[...]

Sjukdomen MDS, maternal death syndrome, sprider sig över världen. Smittan är luftburen och alla bär på den, men viruset ligger latent i kroppen. Det som utlöser den dödliga sjukdomen är en graviditet. Följden blir att alla gravida kvinnor dör. Precis alla. Ofta inom loppet av ett par dagar[...]