Which section of a research report is exemplified by the following excerpt? The purpose of this study was to investigate the effect of interactive multimedia on the achievement of 10th-grade biology students. Using a posttest-only control group design, it was found that after approximately eight months, the students who were instructed using the treatment achieved significantly higher scores on a biology test than did those students in the control group (t = 4.22, p < .05). It was concluded tha