Solving Math Problems With Heterogeneous and Homogeneous Multiple Representations

• In Event: AERA Poster Session 2
  In Poster Session: Mathematics Learning

Abstract

Multiple external representations (MERs) are used frequently in math learning. The current study investigated the benefit of two different types of MERs–heterogeneous and homogeneous MERs–compared with single representations. In a balanced incomplete block design, 42 participants were asked to solve ten linear systems of equations which could be provided as single representations (graphic, text, or formula), heterogeneous (e.g., text + graphic), or homogeneous (text + formula) MERs. Task performance, time on task, and mental effort were recorded for each item. Results indicated that all types of MERs were more useful than single representations and the time on task was reduced in heterogeneous compared to homogeneous MERs. Mental effort was found to mediate the effect of MERs.

Authors

• Kristin Altmeyer, Saarland University

• Sarah Malone, Saarland University

• Markus Vogel, University of Education Heidelberg

• Roland Bruenken, Saarland University