Exhibit 10

Exhibit 10.1: A third grade teacher feels that vocabulary instruction will help her children improve their reading scores.Half of her class receives vocabulary instruction, while the other half has a library period.She will compare reading scores after four months.
-Refer to Exhibit 10-1.This study would be classified as

A) correlational
B) causal-comparative
C) experimental
D) survey research.
E) trend research