In this study, the authors compared four multimedia learning arrangements differing in instructional approach on effectiveness and efficiency for learning: (a) hypermedia learning, (b) observational learning, (c) self-explanation-based learning, and (d) inquiry learning. The approaches all advocate learners' active attitude toward the learning…

The purpose of this study was to provide recommendations to teachers who are interested in implementing Internet inquiry projects. Four classes of ninth-and tenth-grade honors students (N = 100) participated in an Internet inquiry project in which they were presented with an ecology question that required them to make a decision based on…