Research Design
Our study assesses the educational outcomes generated
by what we term interactive learning online (ILO), highly
sophisticated, web-based courses in which computer-guided
instruction can substitute for some (though usually not all)
traditional, face-to-face instruction. Course systems of this
type take advantage of data collected from large numbers of
students in order to offer each student customized instruction,
as well as to enable instructors to track students’ progress
in detail so that they can provide more targeted and
effective guidance