This dissertation investigates the effect of observational learning in crowdsourcing markets as a lens to identify appropriate mechanism(s) for sustaining this increasingly popular business model. Observational learning occurs when crowdsourcing participating agents obtain knowledge from signals they observe in the marketplace and incorporate such…

Semantic distance is a determining factor in cognitive processes, such as semantic priming, operating upon semantic memory. The main computational approach to compute semantic distance is through latent semantic analysis (LSA). However, objections have been raised against this approach, mainly in its failure at predicting semantic priming. We…

Language laboratories, developed in the 1970s under the influence of the Audiolingual Method, were superseded several decades later by computer-assisted language learning (CALL) work stations (Gündüz, 2005). The World Wide Web was developed shortly thereafter. From this introduction and the well-documented and staggering growth of the Internet and…