A researcher shows Trey two containers of the same size, both containing the same amount of marbles. The researcher pours one container of marbles into container that is taller, but smaller in diameter so the level of marbles is higher than in the other container. When the researcher asks Trey which container has more marbles, Trey points to the taller, thinner container. What type of task has Trey been tested on?
A) sorting
B) appearance-reality
C) conservation
D) false belief

Question

Quizplus · Accepted Answer

Trey has been tested on the conservation task, which involves understanding that the amount of a substance remains the same despite changes in its appearance. In this case, Trey was shown that the two containers held the same amount of marbles, but he was tricked by the appearance of the taller, thinner container into thinking it had more marbles.

A Researcher Shows Trey Two Containers of the Same Size