A researcher wanted to know the effectiveness of a reading scheme. He tried to observe the children’s reading behaviour before and after the implementation of the reading scheme. After that, he summarized the findings from the data collected.
A researcher discovered that children did not like reading, so he wanted to know whether a reading scheme could help or not. He tried to implement the reading scheme to a group of children, then he observed what were the changes of children’s reading behaviour after implementing the reading scheme.