Table of Contents -- Preface -- 1. Construct Validity in Psychological Tests -- 2. Antecedent Probability and the Efficiency of Psychometric Signs, Patterns, or Cutting Scores -- 3. Wanted-A Good Cookbook -- 4. When Shall We Use Our Heads instead of the Formula? -- 5. Some Ruminations on the Validation of Clinical Procedures -- 6. The Cognitive Activity of the Clinician -- 7. Schizotaxia, Schizotypy, Schizophrenia -- 8. Mixed-Group Validation: A Method for Determining the Validity of Diagnostic Signs without Using Criterion Groups -- 9. What Can the Clinician Do Well? -- 10. High School Yearbooks: A Reply to Schwarz -- 11. Specific Genetic Etiology, Psychodynamics, and Therapeutic Nihilism -- 12. MAXCOV-HITMAX: A Taxonomic Search Method for Loose Genetic Syndromes -- 13. Why I Do Not Attend Case Conferences -- References -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- Y.