When Dan sees three objects, sometimes he counts them as "1, 2, 5," sometimes as "1, 2, b," and other times as "2, 1,A " Dan
A) appears to have mastered the one-to-one principle and the stable-order principle.
B) appears to have mastered the one-to-one-principle, but not the stable-order principle.
C) appears to have mastered the stable-order principle, but not the one-to-one principle.
D) does not appear to have mastered the one-to-one principle or the stable-order principle.

Question

Quizplus · Accepted Answer

Dan demonstrates the one-to-one principle by recognizing each object as a separate entity to be counted, but his inconsistent sequence shows he hasn't mastered the stable-order principle, which requires counting in a consistent order.

When Dan Sees Three Objects, Sometimes He Counts Them as "1