Preface -- Acknowledgements -- Introduction : surveying the field of test validity theory -- Philosophical theories of measurement -- Psychometric models -- Open issues in measurement theory and psychometrics -- Test scores as samples: behavior domain theory -- Causality in measurement -- Causation, correlation, and reflective measurement models -- Problems in causation and validity : formative measurement, networks -- Interpreting test responses : validity, values, and evaluation -- A model of test score interpretation -- Open questions about test score meaning -- An integrative view of test validity -- Epilogue as dialog: the future of test validity theory -- References -- Author index -- Subject index -- Example index.