As part of a conservation-of-number task, Abigail counts the same number of items in each of two rows but says that the experimenter's longer row has more. When asked why, her MOST likely response is:

A) "I can move them back."
B) "The number is the same."
C) "They are still the same cards."
D) "This row goes all the way here."

Conservation-of-Number Task

A cognitive test used in developmental psychology to assess a child's understanding that a quantity does not change despite changes in its shape or arrangement.

Experimenter's Longer Row

An experimental setup often used in cognitive psychology to study perception and cognitive biases, where participants may perceive a row of objects as longer due to its arrangement or context.