JULIE N. HOOK, PhD, MBA, ABPP-CN, is a Research Associate Professor at Northwestern University in the Department of Medical Social Sciences. She is a board-certified clinical neuropsychologist who oversees the NIH Toolbox Measurement System and Apps. AMY K. GIELLA, PMP, is a Project Manager at Northwestern University in the Department of Medical Social Sciences with over 10 years of experience in psychological and educational test development. ERICA M. LAFORTE, PhD, is a psychometrician with more than 25 years of experience in the field of clinical test development. She served on the scientific team for the NIH Toolbox Version 3 at Northwestern University, and is a co-author of the Woodcock-Johnson V.

• Foreword xiSeries Editor's Preface xvAlphabetical Listing of Contributing Authors xviiAcknowledgments xixOne Nih Toolbox History and Development 1Julie N. Hook, Amy K. Giella, and Abigail B. SivanTwo General Examiner Guidelines 37Amy K. Giella and Julie N. HookThree How to Administer and Score the NIH Toolbox Cognition Tests 63Julie N. Hook and Amy K. GiellaFour How to Interpret the NIH Toolbox Cognition Scores and Composites 89Erica M. LaForte, Amy K. Giella, and Julie N. HookFive A Comprehensive Evaluation of the NIH Toolbox Version 3 Cognition Domain: Advancements, Challenges, and Future Directions 117Anson Kairys and Bruno GiordaniSix Clinical Applications of the NIH Toolbox Cognition Tests 151Julie N. Hook, Amy K. Giella, and Abigail B. SivanSeven Clinical and Research Case Conceptualizations Using the NIH Toolbox Cognition Tests 181Julie N. Hook, Amy K. Giella, and Abigail B. SivanAppendix A Frequently Asked Questions about the NIH Toolbox 225Appendix B Available Online Resources 231Appendix C Standard Scores to Percentiles 233Appendix D Glossary of Terms 235Index 247

JULIE N. HOOK, PhD, MBA, ABPP-CN, is a Research Associate Professor at Northwestern University in the Department of Medical Social Sciences. She is a board-certified clinical neuropsychologist who oversees the NIH Toolbox Measurement System and Apps. AMY K. GIELLA, PMP, is a Project Manager at Northwestern University in the Department of Medical Social Sciences with over 10 years of experience in psychological and educational test development. ERICA M. LAFORTE, PhD, is a psychometrician with more than 25 years of experience in the field of clinical test development. She served on the scientific team for the NIH Toolbox Version 3 at Northwestern University, and is a co-author of the Woodcock-Johnson V.

• Foreword xiSeries Editor's Preface xvAlphabetical Listing of Contributing Authors xviiAcknowledgments xixOne Nih Toolbox History and Development 1Julie N. Hook, Amy K. Giella, and Abigail B. SivanTwo General Examiner Guidelines 37Amy K. Giella and Julie N. HookThree How to Administer and Score the NIH Toolbox Cognition Tests 63Julie N. Hook and Amy K. GiellaFour How to Interpret the NIH Toolbox Cognition Scores and Composites 89Erica M. LaForte, Amy K. Giella, and Julie N. HookFive A Comprehensive Evaluation of the NIH Toolbox Version 3 Cognition Domain: Advancements, Challenges, and Future Directions 117Anson Kairys and Bruno GiordaniSix Clinical Applications of the NIH Toolbox Cognition Tests 151Julie N. Hook, Amy K. Giella, and Abigail B. SivanSeven Clinical and Research Case Conceptualizations Using the NIH Toolbox Cognition Tests 181Julie N. Hook, Amy K. Giella, and Abigail B. SivanAppendix A Frequently Asked Questions about the NIH Toolbox 225Appendix B Available Online Resources 231Appendix C Standard Scores to Percentiles 233Appendix D Glossary of Terms 235Index 247

JULIE N. HOOK, PhD, MBA, ABPP-CN, is a Research Associate Professor at Northwestern University in the Department of Medical Social Sciences. She is a board-certified clinical neuropsychologist who oversees the NIH Toolbox Measurement System and Apps. AMY K. GIELLA, PMP, is a Project Manager at Northwestern University in the Department of Medical Social Sciences with over 10 years of experience in psychological and educational test development. ERICA M. LAFORTE, PhD, is a psychometrician with more than 25 years of experience in the field of clinical test development. She served on the scientific team for the NIH Toolbox Version 3 at Northwestern University, and is a co-author of the Woodcock-Johnson V.

• Foreword xiSeries Editor's Preface xvAlphabetical Listing of Contributing Authors xviiAcknowledgments xixOne Nih Toolbox History and Development 1Julie N. Hook, Amy K. Giella, and Abigail B. SivanTwo General Examiner Guidelines 37Amy K. Giella and Julie N. HookThree How to Administer and Score the NIH Toolbox Cognition Tests 63Julie N. Hook and Amy K. GiellaFour How to Interpret the NIH Toolbox Cognition Scores and Composites 89Erica M. LaForte, Amy K. Giella, and Julie N. HookFive A Comprehensive Evaluation of the NIH Toolbox Version 3 Cognition Domain: Advancements, Challenges, and Future Directions 117Anson Kairys and Bruno GiordaniSix Clinical Applications of the NIH Toolbox Cognition Tests 151Julie N. Hook, Amy K. Giella, and Abigail B. SivanSeven Clinical and Research Case Conceptualizations Using the NIH Toolbox Cognition Tests 181Julie N. Hook, Amy K. Giella, and Abigail B. SivanAppendix A Frequently Asked Questions about the NIH Toolbox 225Appendix B Available Online Resources 231Appendix C Standard Scores to Percentiles 233Appendix D Glossary of Terms 235Index 247