Evaluation of the A-STAM and WAI-V for assessing the Therapeutic Alliance in the Treatment of Aphasia

Evaluation of the A-STAM and WAI-V for assessing the Therapeutic Alliance in the Treatment of Aphasia - A-STAM_WAI-V

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00038126

Enrollment

210

Registered

2025-11-05

Start date

2025-11-28

Completion date

Unknown

Last updated

2026-06-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

R47.0

Interventions

Group 1: Patients with aphasia and their therapists (n = 100 dyads) who are currently undergoing speech therapy treatment are once asked to complete the A-STAM (Aphasia and Stroke Therapeutic Alliance

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Therapists: ? Completed vocational training and/or degree in speech therapy, clinical linguistics or comparable qualification ? Work in an outpatient setting Patients: ? Presence of aphasia caused by a stroke ? Legal age ? At least moderate language comprehension (minimum T-score of 44 in the language comprehension subtest of the Aachen Aphasia Test; Huber et al., 1983) ? Sufficient visual and hearing function (sufficiently supported by glasses or hearing aids, if necessary) ? For the test-retest reliability subgroup (n = 30): chronic phase of aphasia (> 6 months); otherwise, inclusion of individuals in all phases For therapists and patients together: ? Currently and for at least two therapy sessions in speech therapy treatment

Exclusion criteria

Exclusion criteria: People who do not meet the inclusion criteria will be excluded.

Design outcomes

Primary

Measure	Time frame
Therapeutic alliance between patients with aphasia and therapists, determined once and with a subgroup after a maximum of four weeks for retesting, using the two questionnaires A-STAM (Aphasia and Stroke Therapeutic Alliance Measure) and WAI-V (Working Alliance Inventory – Simplified). The internal consistency, test-retest reliability and convergent validity of the A-STAM and WAI-V measurement instruments are examined on a confirmatory basis.	—

Measure

Time frame

Therapeutic alliance between patients with aphasia and therapists, determined once and with a subgroup after a maximum of four weeks for retesting, using the two questionnaires A-STAM (Aphasia and Stroke Therapeutic Alliance Measure) and WAI-V (Working Alliance Inventory – Simplified). The internal consistency, test-retest reliability and convergent validity of the A-STAM and WAI-V measurement instruments are examined on a confirmatory basis.

—

Secondary

Measure	Time frame
Identification of associations between the therapeutic alliance and socio-demographic characteristics, general conditions and methods of therapy, severity of aphasia and subjective assessment of success. Qualitative analysis of significant aspects for the quality of the therapeutic alliance in aphasia therapy.	—

Countries

Germany

Contacts

Public ContactMaren Nickel

Uniklinik RWTH Aachen

maren.nickel@rwth-aachen.de-

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 29, 2026