William Is Trying to Calculate the Price of His Groceries

question 21

Multiple Choice

William is trying to calculate the price of his groceries in his head. He has four apples for 35¢ each,five potatoes for 15¢ each,and three cake mixes for $2.25 each. He begins by thinking to himself,"Let's see,four times 35¢ is what? Two times 35¢ is 70¢,and then two times 70¢ is $1.40. And then what do I do next? Oh,yes,I need to know what five times fifteen equals. I can't remember,but let's see if I can figure it out...." From the perspective of psychology,William may have trouble solving the problem because:

• A)His working memory capacity may be insufficient to hold and process all the information.
• B)He is representing the problem incorrectly.
• C)He is demonstrating a mental set with regard to his knowledge of multiplication facts.
• D)He is using an inappropriate heuristic.

Identify how cultural differences can influence susceptibility to perceptual illusions.

Describe the impact of perceptual sets on interpretation of stimuli.

Understand and explain the concept of size constancy and its effects on perception.

Acknowledge the role of learning and environment in shaping perceptual experiences.

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Definitions:

Spelling

The act of forming words from letters according to established patterns and rules.

Suffix

A letter or group of letters added at the end of a word to modify its meaning or change it into a different word class.

Knowledge

The information, understanding, and skills acquired through experience or education.

Prefix

A group of letters added at the beginning of a word to change its meaning, such as "un-" in "unhappy."