MrRemick Asks 9-Year-Old Anne to Divide a Pitcher of Lemonade

Multiple Choice

Mr.Remick asks 9-year-old Anne to divide a pitcher of lemonade equally between two glasses, one each for her and her friend Kate.The two glasses are different shapes, with Anne's being tall and thin and Kate's being short and wide.After Anne pours the lemonade, Mr.Remick says to her, "Look, the lemonade in your glass is higher than the lemonade in Kate's glass.Did you give yourself more than you gave Kate?" "No," Anne replies, "my glass is skinnier." Mr.Remick continues to ask Anne questions to determine how well she understands that height compensates for width in this situation.Mr.Remick's strategy can best be described as illustrating:

A) Equilibration
B) Class inclusion
C) Formal operations
D) The clinical method