Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Tinkertoy Test

  • Chava CrequeEmail author
  • Beth Kuczynski
  • Stephanie A. Kolakowsky-Hayner
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1911


The Tinkertoy test (TTT) is a self-structured task used to evaluate executive functioning, which includes initiating, planning, and structuring of behaviors. Muriel Lezak proposed four categories of executive functioning: goal formulation, planning, carrying out goal-directed plans, and effective performance. The Tinkertoy test, created by Lezak in 1982, is often used to assess executive dysfunction in patients with neurodegenerative diseases. To some extent, the test also measures constructional ability. The test is simple to administer. It utilizes a standard set of 50 Tinkertoys, placed before the subject on an uncontaminated work area. The subject is asked to make whatever they want. They are told they will have a minimum of 5 min to complete the task and more if needed. There is no upper limit to the time allowed to complete the construction task. Upon completion, the administrator asks the subject what they have created. If the object is named, the appropriateness of...

This is a preview of subscription content, log in to check access.

References and Readings

  1. Christensen, K., Mateer, C., Williams, R., & Woodward, T. (2005). Neuropsychological deficits, syndromes, and cognitive competency in schizophrenia. Cognitive Neuropsychiatry, 10(5), 361–378.CrossRefGoogle Scholar
  2. Lezak, M. D. (1982). The problem of assessing executive functions. International Journal of Psychology, 17(1–4), 281–297.CrossRefGoogle Scholar
  3. Ownsworth, T., & Shum, D. (2008). Relationship between executive functions and productivity outcomes following stroke. Disability and Rehabilitation, 30(7), 531–540.CrossRefGoogle Scholar

Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Chava Creque
    • 1
    Email author
  • Beth Kuczynski
    • 2
  • Stephanie A. Kolakowsky-Hayner
    • 3
  1. 1.Department of Psychology and NeuroscienceUniversity of Colorado BoulderBoulderUSA
  2. 2.Imaging of Dementia and Aging (IDeA) Laboratory, Department of Neurology and Center for NeuroscienceUniversity of CaliforniaDavisUSA
  3. 3.Department of Rehabilitation Medicine, Icahn School of Medicine at Mount SinaiNew YorkUSA