Crows have been observed to raise the water level in a tube by dropping stones into the tube,so that they can then nab a floating worm.It has been suggested that this feat is a display of
A) the availability heuristic.
B) belief perseverance.
C) the framing effect.
D) insight.

Question

Quizplus · Accepted Answer

This behavior of crows involves problem-solving ability, which can be categorized as insight. The crows demonstrate the ability to use an unconventional method of manipulating their environment to achieve a desired outcome. The other options do not fit the scenario as well as the notion of insight.

Crows Have Been Observed to Raise the Water Level in a Tube