Ed.D. Research Methodologies. Research Methodologies. Quantitative. Deductive. Positivist. Objectivist. Qualitative. Inductive. Interpretivist. Constructivist. Empiricism. Positivism. Post-Positivism. Subjective Idealism. Hermeneutics. Structuralism. Post-structuralism/ modernism. Pragmatism. Absolute Idealism. Dialectical Materialism. Critical Theory. Dialecticism. Quantitative vs Qualitative.