Dr. scholz is reading an article describing research in which in investigators examined how the presence of other people influenced participants' performance on a variety of tasks. dr. scholz is most likely reading the journal of research in psychology.

Dr. Sholz is likely reading the journal of research in Social Influence psychology. Social Influence psychology centers on how and why individuals change their beliefs, behaviors, and opinions based on the way that other people act or interact with them. Thus, the described experiment centering on people changing and influencing performance based on others would fit into this category.