A Researcher Administers a Reading Test to a Group of Fourth

Multiple Choice

A researcher administers a reading test to a group of fourth graders at the beginning of the school year. During the year, the students receive an intensive program designed to improve reading skills. At the end of the year, the reading test is given again and a large improvement in test scores is discovered. Identify the type of study.

A) One-shot case study
B) One-group pretest-posttest design
C) Nonequivalent control group design
D) Interrupted time series design