1 Introduction.- Part I: The Historical Dimension of Construct Validity.- 2 Historical Precursors and Early Testing Theory.- 3 The Birth of Construct Validity Theory4 Construct Validity: Developments and Debates.- 5 Recent Accounts of (Construct) Validity.- Part II: The Philosophical Dimension of Construct Validity.- 6 The Philosophical Backdrop of Construct Validity.- 7 Philosophical Sketches of Construct Validity Theory.- 8 Some Conceptual Housecleaning.- Part III: The Pragmatic Dimension of Construct Validity.- 9 Construct Validation: View from the "Trenches".- 10 Revisiting Possibilities for Construct Validity Theory.