Deana became interested in joining the debate club at age 14 because she enjoyed pointing out contradictions and inconsistencies in the arguments of others. this type of thinking was called formal operations by inhelder and piaget because it involves

Mental operations  

Explanation:

Mental operations: The term mental operations is defined by Jean Piaget at a developmental level and by J. P. Guilford from a psychometric perspective.

According to Jean Piaget, mental operations are referred to as the operations that can affect an individual's mental contents. In other words, an individual can imagine precisely the consequence or result of any phenomenon which is happening without the requirement of happening.

An individual having mental operations doesn't think rationally about abstract phenomena.

its d i know cause i've been googling it

could you show the options for the answers? : )