Abstract. We present a study which compares human-human computermediated tutoring with two computer tutoring systems based on the same materials but differing in the type of feedba...
Myroslava Dzikovska, Natalie B. Steinhauser, Johan...
Fundamental to the design of visual languages are the goals of facilitating communication between people and computers, and between people and other people. The Object Block Progr...
Jason E. Robbins, David J. Morley, David F. Redmil...
A widely accepted prediction is that computing will move to the background, weaving itself into the fabric of our everyday living spaces and projecting the human user into the for...
Maja Pantic, Alex Pentland, Anton Nijholt, Thomas ...
Human interaction proofs (HIPs) have become commonplace on the internet for protecting free online services from abuse by automated scripts/bots. They are challenges designed to b...
Kumar Chellapilla, Kevin Larson, Patrice Y. Simard...