Juan (A Six-Year Old) Is Not Able to Solve a Conservation

question 232

Multiple Choice

Juan (a six-year old) is not able to solve a conservation problem on his own. But when his teacher explains the solution to him, he understands and can solve these problems. According to Vygotsky, the teacher was able to move Juan forward due to

• A) an information search strategy
• B) an increase in working memory
• C) Juan's age
• D) the abstract explanation offered by the teacher
• E) the zone of proximal development

---

Definitions:

Reserve Ratio

The fraction of depositors' balances that banks must have on hand as cash, determined by the central bank to control money supply.

Checking Deposits

Funds kept in a checking account at a financial institution, allowing for frequent withdrawals and deposits.

Deposit Expansion Multiplier

A ratio that determines the maximum amount by which the money supply can increase through the banking system's process of lending out deposits.

Required Reserve Ratio

A regulation that sets the minimum reserves each bank must hold to customer deposits and notes, effectively the same concept as the reserve-requirement ratio but stated differently.