Abstract

 
 
 While other research has begun to contribute to our understanding of how pre- college students reason about variation, little has been published regarding pre- service teachers’ statistical conceptions. This paper summarizes a framework useful in examining elementary pre-service teachers’ conceptions of variation, and investigates the question of how a class of pre-service teachers’ responses concerning variation in a probability context compare from before to after class interventions. The interventions comprised hands-on activities, computer simulations, and discussions that provided multiple opportunities to attend to variation. Results showed that there was overall class improvement regarding what subjects expected and why, in that more responses after the interventions included appropriate balancing of proportional thinking along with an appreciation of variation in expressing what was likely or probable
 First published May 2006 at Statistics Education Research Journal: Archives
 
 
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