What is the last word in the last question (question 25) at the end of chapter 14?

What is the answer to this question?

According to the passage weisers mother could be blamed for

When you look at the data about all of the children in your setting, you can learn a. about child development. b. how well each individual child is performing. c. what outside factors you need to change. d. how effective your instruction and environment are.