Suzanne sees a row of 5 coins, and a second row, also of 5 coins, ...

[SGallaher96]

Suzanne sees a row of 5 coins, and a second row, also of 5 coins, with each coin in the second row immediately below its counterpart in the first row. The second row is then spread apart without adding or removing a coin, and Suzanne concludes that the second row now has more coins than the first row. Delbert sees the same demonstration, and states that the coins in the second row have simply been spread apart, and the number of coins in each row remains the same.
  This example best illustrates which of the following?
 
  a. Differences in ability between Suzanne and Delbert
  b. Developmental differences between Suzanne and Delbert
  c. Aptitude differences between Suzanne and Delbert
  d. Differences in expertise between Suzanne and Delbert

Question 2

Kathy's practicing what she preached by calling on her own students best indicates her:
 
  a. knowledge of content.
  b. pedagogical content knowledge.
  c. general pedagogical knowledge.
  d. knowledge of learners and learning.

[vseab]

Answer to Question 1

b

Answer to Question 2

c

[SGallaher96]

Thanks for the timely response, appreciate it

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TYSM