Although the visual stimuli we sense may be fragmented or ambiguous, we tend to perceive objects as coherent wholes. The unconscious rules we use to achieve this are known as

Chunking is a means of _______

a. immediately forgetting irrelevant details b. organizing information into meaningful units c. arranging details into a hierarchy from most important to least important d. storing long-term memories

A child in the concrete operational stage will have the most trouble with which of the following?

A) abstract ideas B) concrete information C) information she can perceive directly D) dual representation