1. Psychological Metatheory: An Introduction to Volume 3 -- 2. The Place of Theory in a World of Facts -- The Use of Theory in Psychology -- Theory, Metatheory, and Weltanschauung -- The Place of Psychology in a Vacuum of Theories -- The Place of Theory in a World of Facts: Reply to Commentators -- 3. From Mindless Neuroscience and Brainless Psychology to Neuropsychology -- On Being Brainy -- Is Neuropsychology Something New? -- On Research Strategies: Reply to Commentators -- 4. Is Psychoanalysis Therapeutic Technique or Scientific Research? A Metascientific Investigation -- On Lesche's Metascientific Investigations of Psychoanalysis -- Metatheory and the Practice of Psychoanalysis -- Psychoanalysis as Research, Therapy, and Theory -- Is Psychoanalysis Therapeutic Technique or Scientific Research? A Metascientific Investigation: Reply to Commentators -- Psychology and Philosophy of Science -- Psychology and Philosophy of Science: A Commentary -- Psychology, Philosophy, and Scientific Research Programs -- Psychological or Philosophical Issues? Reply to Commentators -- 6. The Problem of Theoretical Pluralism in Psychology -- Theoretical Pluralism and Complementarity -- The Problem of Singularism -- Is Theoretical Pluralism Necessary in Psychology? -- The Problem of Theoretical Pluralism in Psychology: Reply to Commentators -- Author Index.