Dr. scholz is reading an article describing research in which investigators examined the consequences of other people's presence on participants' ability to perform a variety of tasks. dr. scholz is most likely reading the journal of research in psychology.

- Social Psychology.

Explanation:

Social psychology is illustrated as the branch of psychology that studies how individual behavior is influenced by social interactions like thoughts, emotions, and behavior of social groups.

As per the given description, Dr. Scholz most likely is reading the journal of research in 'social' psychology as it describes the effects of other people's presence on an individual participant's ability to perform which exemplifies a key element of social psychology(how social setting/context influences individual behavior). Thus, the answer is 'social' psychology.

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