Open access tests

Overview

In the VTS, selected open-access tests are available for free use. The included instruments originate from the scientific community and are either published under a Creative Commons license or are in the public domain.

Currently the instruments cover the following disorders, trait domains, and symptoms:

  • Alcohol-related disorders

  • Anxiety symptoms

  • Depressive symptoms

  • Maladaptive personality traits

  • Substance-related disorders

In the VTS open-access tests are currently only available in German (although for some tests other translations might be available online).

Usage conditions & responsibility

Licensing & use

All open-access tests can be used free of charge within the VTS. Use is granted via a time-based license with a duration of 1 year, which can be obtained and renewed free of charge in the SCHUHFRIED Marketplace.

Support & responsibility

  • The open-access tests are merely provided by SCHUHFRIED without any content-related or technical support.

  • SCHUHFRIED assumes no responsibility for the content of the provided tests.

  • No assistance is provided for content-related, methodological, diagnostic, or technical questions.

  • No guarantee is given regarding the currency, completeness, or suitability of the content.

Authorship & further information

All information on authorship, original sources, and licensing of each test is documented on this page.

For further professional, scientific, content-related or technical questions, please contact the original authors or publishers of the respective instruments directly.

Notice

Responsibility for proper professional application, interpretation, and use of the open-access tests lies entirely with the users. National guidelines, legal frameworks, and professional regulations must be observed independently.

Currently available open-access tests

AUDIT

Full name: Alcohol Use Disorders Identification Test
Disorder area: Alcohol-related disorders
Description: WHO-certified screening test for assessing risky and harmful alcohol use
License: Public domain; freely useable according to the original authors’ terms
For further information: Contact the original authors and/or refer to the pubilcations below
Note: No content-related or technical support provided by SCHUHFRIED
Reference list:

Original literature:
Saunders, J. B., Aasland, O. G., Babor, T. F., De La Fuente, J. R., & Grant, M. (1993). Development of the Alcohol Use Disorders Identification Test (AUDIT): WHO Collaborative Project on Early Detection of Persons with Harmful Alcohol Consumption‐II. Addiction, 88(6), 791–804. https://doi.org/10.1111/j.1360-0443.1993.tb02093.x
Scoring:
Berman, A. H., Wennberg, P., & Källmén, H. (2017). AUDIT & DUDIT – identifiera problem med alkohol och droger (2. Aufl.). Gothia Fortbildning. [English version used]
Integrated version obtained from: https://auditscreen.org/translations/

DUDIT

Full name: Drug Use Disorders Identification Test
Disorder area: Substance-related disorders
Description: Screening test for assessing problematic drug use
License: Public domain; freely usable according to the original authors’ terms
For further information: Contact the original authors and/or refer to the pubilcations below
Note: No content-related or technical support provided by SCHUHFRIED
Reference list:

Original literature:
Berman, A. H., Bergman, H., Palmstierna, T., & Schlyter, F. (2005). Evaluation of the Drug Use Disorders Identification Test (DUDIT) in Criminal Justice and Detoxification Settings and in a Swedish Population Sample. European Addiction Research, 11(1), 22-31. https://doi.org/10.1159/000081413
Scoring:
Berman, A. H., Wennberg, P., & Källmén, H. (2017). AUDIT & DUDIT – identifiera problem med alkohol och droger (2. Aufl.). Gothia Fortbildning. [English version used]
Integrated version obtained from: https://www.euda.europa.eu/drugs-library/drug-use-disorders-identification-test-dudit_en

GAD-7

Full name: Generalized Anxiety Disorder-7
Disorder area: Anxiety disorders
Description: Screening test for assessing anxiety symptoms
License: Freely usable according to the copyright holder’s terms
For further information: Contact the original authors and/or refer to the pubilcations below
Note: No content-related or technical support provided by SCHUHFRIED
Reference list:

Original literature:
Spitzer, R. L., Kroenke, K., Williams, J. B. W., & Löwe, B. (2006). A brief measure for assessing generalized anxiety disorder: The GAD-7. Archives of Internal Medicine, 166(10), 1092–1097. https://doi.org/10.1001/archinte.166.10.1092
Scoring:
Spitzer, R. L., Jr., Kroenke, K., Williams, J. B. W., & PRIME-MD. (2006). PHQ and GAD-7 Instructions. In Instructions for Patient Health Questionnaire (PHQ) and GAD-7 Measures (pp. 1–9). https://www.phqscreeners.com/images/sites/g/files/g10016261/f/201412/instructions.pdf. (retrieved on 16.01.2026)
Integrated version obtained from: https://www.phqscreeners.com/select-screener

PHQ-9

Full name: Patient Health Questionnaire–9
Disorder area: Depressive disorders
Description: Screening test for assessing depressive symptoms
License: Freely usable according to the copyright holder’s terms
For further information: Contact the original authors and/or refer to the pubilcations below
Note: No content-related or technical support provided by SCHUHFRIED
Reference list:

Original literature:
Kroenke, K., Spitzer, R. L., & Williams, J. B. W. (2001). The PHQ-9: Validity of a brief depression severity measure. Journal of General Internal Medicine, 16(9), 606–613.
Scoring:
Spitzer, R. L., Jr., Kroenke, K., Williams, J. B. W., & PRIME-MD. (2006). PHQ and GAD-7 Instructions. In Instructions for Patient Health Questionnaire (PHQ) and GAD-7 Measures (pp. 1–9). https://www.phqscreeners.com/images/sites/g/files/g10016261/f/201412/instructions.pdf. (retrieved on 16.01.2026)
Integrated version obtained from: https://www.phqscreeners.com/select-screener

PID5BF+ M

Full name: Personality Inventory for DSM-5 and ICD-11 – Modified Brief Form
Disorder area: Personality disorders
Description: Questionnaire for the dimensional assessment of maladaptive personality traits
License: CC-BY-SA
For further information: Contact the original authors and/or refer to the pubilcations below
Note: No content-related or technical support provided by SCHUHFRIED
Reference list:

Original literature:
1. Kerber, A., Schultze, M., Müller, S., Rühling, R. M., Wright, A. G. C., Spitzer, C., Krueger, R. F., Knaevelsrud, C., & Zimmermann, J. (2022). Development of a Short and ICD-11 Compatible Measure for DSM-5 Maladaptive Personality Traits Using Ant Colony Optimization Algorithms. Assessment, 29(3), 467–487. https://doi.org/10.1177/1073191120971848
2. Bach, B., Kerber, A., Aluja, A., Bastiaens, T., Keeley, J. W., Claes, L., Fossati, A., Gutierrez, F., Oliveira, S. E. S., Pires, R., Riegel, K. D., Rolland, J. P., Roskam, I., Sellbom, M., Somma, A., Spanemberg, L., Strus, W., Thimm, J. C., Wright, A. G. C., & Zimmermann, J. (2020). International Assessment of DSM-5 and ICD-11 Personality Disorder Traits: Toward a Common Nosology in DSM-5.1. Psychopathology, 53(3-4), 179–188. https://doi.org/10.1159/000507589
Scoring:
Rek, K., Kerber, A., Kemper, C.J., & Zimmermann, J. (2021). Getting the Personality Inventory for DSM-5 ready for clinical practice: Norm values and correlates in a representative sample from the German population. PsyArXiv. https://doi.org/10.31234/osf.io/5hm43
Integrated version obtained from: https://www.ewi-psy.fu-berlin.de/psychologie/arbeitsbereiche/klinische_psychotherapie/Frageboegen/Persoenlichkeitsinventar-fuer-DSM-5-und-ICD-11_PID5BF__PID5BF_MDE/index.html