• Meta-science and philosophy of psychology as science: debates on Kuhnian paradigm shifts, the status of psychology (natural vs human science), and the unity/diversity of the field, including historical operationism and discursive self-assessment in the discipline. [1], [5], [17], [13], [11], [12], [8].

• Statistical methods, measurement, and psychometrics as core to quantitative psychology: emphasis on statistical literacy, reliability, factor structures, and measurement constructs underpinning behavioral and educational research. [3], [4], [16], [15], [18].

• Historical leadership and career development in American psychology: profiling eminent figures, creative output, and the institutional evolution of the discipline as reflected in leadership and biography. [6], [14], [8].

• Education/public understanding of psychology: lay knowledge, definitional clarity, and assessment of misconceptions relevant to students and the public. [7], [19], [10].

• Applied testing contexts and cross-group psychometrics: Spearman’s hypothesis, reliability debates, and methodological concerns in educational/psychological measurement. [2], [4], [3], [18].