Question

Five-year-old tammy mistakenly believes that her short, wide glass contains less soda than her brother's tall, narrow glass. actually, both glasses contain the same amount of soda. this illustrates that tammy lacks the concept of

Answer 1

Five-year-old tammy mistakenly believes that her short, wide glass contains less soda than her brother's tall, narrow glass. actually, both glasses contain the same amount of soda. this illustrates that Tammy lacks the concept of:
The correct answer would be conservation.
This concept develops around the age of 7 or 8

Answer 2

centration. when yound kids mostly on one aspect like here tammy is only focusing the height of the glass