Daily Archives: August 17, 2011


“For Every” Speak: A Cognitive Approach to Proportional Reasoning

According to Piaget, proportional reasoning is an essential cognitive function that indicates the formal operational stage of cognitive development (Santrock, 2008). The ability to think in an abstract fashion, as is associated with the formal operational stage of cognition, is necessary to the successful study of chemistry (Lythcott, 1990). Beyond the concrete properties of matter […]