A student has just made a pendulum with a small stone and a string. She is trying to figure out whether it is the length of string, the weight of the stone at the end of it, or both that determine how far the pendulum will swing. In order to be able to solve this problem, the student would have to have reached the ________ stage of cognitive development in Piaget's theory.
A) formal-operational
B) sensory-motor
C) preoperational
D) concrete-operational

Question

Quizplus · Accepted Answer

The formal-operational stage is where individuals develop the ability to think abstractly, logically, and systematically, which is necessary for solving problems involving multiple variables like the pendulum experiment.

A Student Has Just Made a Pendulum with a Small