LeBron has a yo-yo that glows in the dark.Unlike his 3-year-old sister,LeBron knows perfectly well that when the yo-yo is glowing it's not suddenly a different object.This illustrates the concrete operation called:
A) associativity.
B) combinativity.
C) identity or nullifiability.
D) reversibility.

Question

Quizplus · Accepted Answer

This illustrates the concept of identity or nullifiability, a principle of concrete operational thought where a child understands that despite superficial changes in the appearance of an object, its core identity remains the same. LeBron's understanding that the yo-yo remains the same object whether it glows or not exemplifies this cognitive ability.

LeBron Has a Yo-Yo That Glows in the Dark