Guessing at what word the question is asking about here. I'd say B - obstinacy means being stubborn or inflexible, which doesn't apply here.
Answer:
The more parents read to their children, the higher their children score on achievement tests. This relationship between parents reading to their children and child achievement represents a positive correlation.
Explanation:
Correlations can take two different ways or directions, positive and negative, and they consist of two variables. When a positive correlation takes place, both variables move towards the same point. On the other hand, when negative correlation takes place, these move in opposite ways, meaning that while one of the variables goes up, the other goes down, and vice versa.
Since she uses the derogatory word for the Union soldiers, it is the second option.
