Recently Compared Your Mother's Recent IQ Scores with Those from the Test

recently compared your mother's recent IQ scores with those from the test she took 10 years ago. What combination of changes in crystallized or fluid subscale scores would you MOST likely find?

A) mild increase in crystallized tasks, mild decrease in fluid tasks
B) no change in crystallized, no change in fluid
C) no change in crystallized tasks, moderate increase in fluid tasks
D) moderate decrease in crystallized tasks moderate increase in fluid tasks