Robbie Case's Theory That Children Acquire a Central Conceptual Structure

question 38

Multiple Choice

Robbie Case's theory that children acquire a central conceptual structure for numbers can best help you explain which one of the following?

• A) Why 6-month-old Frederika is surprised when an experimenter shows her a display of three objects, covers the display and seemingly removes an object, and then reveals that the display still has three objects
• B) Why 8-year-old Eldon cannot answer the question, "Which is more, the difference between 2 and 6 or the difference between 7 and 9?"
• C) Why 12-year-old Heidi has difficulty understanding percentages
• D) Why 16-year-old Garrett has difficulty with proofs in his geometry class

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Definitions:

Relative Frequency Approach

A method of estimating probabilities based on the proportion of observed occurrences of an event relative to the total number of trials.

Subjective Approach

A method of decision making or analysis that is based on personal judgment, opinions, or preferences rather than objective data.

Simple Event

An event consisting of only one outcome in a probability experiment.

Sample Space

The set of all possible outcomes of a random experiment or event.