A mathematical model utilizing the geometric distribution for analyzing time-to-response data is described. This model takes into account concomitant information by means of a multivariate logistic ...

“Business model” was one of the great buzzwords of the Internet boom, routinely invoked, as the writer Michael Lewis put it, “to glorify all manner of half-baked plans.” A company didn’t need a ...

Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

The first advanced sleep-phase syndrome (ASPS) patient in this study presented to our sleep center with disabling early evening sleepiness and early morning awakening. Because she recognized a similar ...

People can look the same, with the same hair and face - but that doesn't mean they don't have any differences. Pip shows Declan a photo of her twin sister Pop. Declan says that Pip and Pop are the ...