The library Media Specialist at West High School created a series of three one-hour lessons on evaluating current event materials on the Web. To test the effectiveness of these lessons, the current events papers of the advanced English class were analyzed after they had attended the lessons and researched and written the papers. The percentage of "valid" sources was calculated for each student and the average percentage was 65%.What experimental design was this?

Group of answer choices

Non-randomized Control Group Pretest-Posttest Design

No Control or One-Shot Design

Minimal Control One-Group Pretest-Posttest

Randomized Solomon 4 Group Design