A researcher wants to compare the effectiveness of computer

A researcher wants to compare the effectiveness of computer software that teaches reading with the effectiveness of a standard reading curriculum. She finds a class in a school that uses the computer software and she finds another class of the same size and grade in a school that uses a standard reading curriculum. At the end of the year, she compares the reading ability in the two classes. Neither the students nor the students\' teachers were aware they were involved in a study. This is

an observational study.

an experiment, but not double blind.

a double blind experiment.

a matched pairs experiment.

Solution

a matched pairs design. is the answer