In educational environments, monitoring persons' progress over time may help teachers to evaluate the effectiveness of their teaching procedures. Electronic learning environments are increasingly being used as part of formal education and resulting datasets can be used to understand and to improve the environment. This study presents…

The present study was an attempt to investigate the effects of two factors - number of defining attributes and the degree to which a student has learned those attributes (level of conceptualization) - on the difficulty of a concept. (Author)