Tips for Working With Interpreters in Speech-Language Evaluations
A speech-language evaluation should give a child or adult a fair opportunity to demonstrate communication skills. When the client and clinician do not share a primary language, a qualified interpreter helps make that possible. The interpreter’s role, however, involves much more than converting one language into another. Effective collaboration requires planning, clear boundaries, cultural responsiveness, and careful interpretation of assessment results.
Language differences can affect standardized testing, caregiver interviews, classroom observations, and informal language samples. An SLP who prepares thoughtfully can reduce misunderstandings and avoid confusing limited English exposure with a communication disorder. The process also becomes more comfortable for families when they know what to expect and feel that their language and experiences are respected.
Interpreters may work in person, by video, or over the phone. Each format creates different practical considerations, yet the core principles remain consistent: communicate directly with the client, provide context before the session, use accessible language, and document how interpretation affected the evaluation.
Clarify Roles Before the Evaluation
Before the appointment, explain the purpose of the evaluation, the client’s communication needs, and the planned activities. Tell the interpreter whether the session will include caregiver questions, play-based interaction, standardized testing, an oral-motor examination, or collaboration with another professional. This preparation gives the interpreter time to identify terminology that may require special attention.
The interpreter should interpret everything that is said, rather than summarize or decide which details seem important. Explain that you will speak directly to the client or caregiver and pause frequently so the interpreter can provide a complete rendition. Avoid asking the interpreter to act as a clinician, advocate, diagnostician, or informal cultural consultant during the assessment.
Confidentiality also deserves explicit attention. Confirm that the interpreter understands privacy expectations and follows the relevant agency, school, hospital, or telehealth procedures. When possible, use a trained medical, educational, or community interpreter instead of relying on a child, sibling, friend, or untrained bilingual staff member.
Communicate Directly With the Client
Even when an interpreter is present, maintain eye contact and address the client in the first person. Say, “Tell me what happened at school,” rather than “Ask her what happened at school.” This small adjustment reinforces that the client is the person being evaluated and supports a more natural interaction.
Use short, complete sentences and pause often. Avoid speaking rapidly, adding several questions together, or continuing while the interpreter is talking. If a response seems unclear, ask the client to explain or repeat it through the interpreter instead of asking the interpreter to guess the intended meaning.
Watch the client’s behavior as well as the interpreted words. Facial expressions, hesitation, changes in affect, and attempts to repair communication can provide useful information. A client may understand more than they can express in the evaluation language, or they may use gesture, drawing, a communication device, or another language to supplement speech.
For clients who use AAC, make sure the interpreter knows how the device or communication system will be included. Allow extra time for message formulation and avoid treating delayed responses as evidence of limited comprehension. These rapport-building strategies can help create a supportive interaction before formal tasks begin.
Adapt Assessment Procedures Thoughtfully
Standardized tests often assume that instructions, vocabulary, pictures, and cultural references have equivalent meaning across languages. That assumption may not hold. A direct translation can change item difficulty, grammatical demands, or the type of response expected. Some concepts may be familiar in one culture and unfamiliar in another without indicating a language disorder.
Do not alter a standardized measure and then report the resulting score as though the test was administered according to its manual. Instead, document any translation, repetition, cueing, substitution, or modification. Explain whether scores are valid, descriptive only, or unsuitable for interpretation. A transparent report is more useful than a precise-looking score that does not represent the client’s abilities.
A comprehensive evaluation should draw from several sources, including caregiver report, teacher input, language samples, observation, dynamic assessment, functional communication, and performance in both languages when possible. Consider language exposure, age of acquisition, educational history, migration experiences, dialect, opportunities for practice, and the client’s preferred communication partners.
| Evaluation area | Interpreter collaboration | Documentation focus |
|---|---|---|
| Caregiver interview | Interpret questions and responses fully, including examples and concerns | Who participated, language used, and important contextual details |
| Informal conversation | Preserve pauses, repairs, code-switching, and conversational style | Communication behaviors observed across languages |
| Standardized testing | Follow the manual when possible and identify any adaptations | Whether scores are valid, descriptive, or inappropriate to report |
| Language sample | Interpret meaning, not just individual words; capture context | Length, setting, prompts, and limitations of analysis |
| Dynamic assessment | Interpret teaching prompts and observe response to support | Learning potential, strategies, and changes with assistance |
| Care planning | Clarify family priorities and feasible supports | Preferred language, routines, and recommended accommodations |
Account for Culture and Linguistic Difference
An interpreter can help explain culturally specific meanings, but the SLP remains responsible for clinical reasoning. Cultural variation may influence eye contact, turn-taking, adult-child interaction, storytelling, personal space, and expectations about disability. These differences should not automatically be labeled as pragmatic or social communication deficits.
Ask neutral follow-up questions when a response seems unusual or ambiguous. For example, clarify how the family typically communicates at home, who participates in decision-making, and which communication behaviors are expected in different settings. Avoid framing one cultural pattern as the universal standard.
Bilingual development should guide interpretation of language performance. Mixing languages, using a stronger language for certain topics, or having uneven vocabulary across languages can be typical. A disorder is more likely when difficulties appear across the languages the client uses, although the exact presentation may vary with exposure and opportunity.
When evaluating articulation, consider dialect and language-specific sound patterns before identifying an error. A pronunciation difference that is expected in the client’s language or community should not become a treatment target. Reviewing evidence-based articulation guidance can support sound clinical decisions while still requiring attention to the individual client’s linguistic background.
Improve the Session Workflow
A smooth evaluation depends on logistics as much as clinical skill. Schedule enough time for interpretation, transitions, caregiver questions, and documentation. For telehealth, test the audio and video connection before the session, confirm where the interpreter will appear on screen, and establish a backup plan if the connection fails.
Share written materials in the family’s preferred language when available. If translated forms are not available, read them aloud through the interpreter and check understanding. Avoid idioms, slang, humor that depends on wordplay, and technical terms without explanation. Visual supports, demonstration, and repeated examples can make tasks clearer for everyone.
When several professionals attend, decide who will speak and how turn-taking will work. One person should guide the interaction so the interpreter does not have to manage competing voices. Build in pauses for private team discussion, but explain to the family what is happening rather than leaving them out of the conversation.
Use teach-back to confirm important information. Ask the caregiver to describe the next steps in their own words through the interpreter. This checks understanding without assuming that nodding or polite agreement means the message was clear.
Document Interpretation With Precision
The evaluation report should identify the interpreter’s role, language, modality, and qualifications when appropriate. Note whether the interpreter was present in person, joined by video, or participated by telephone. Include any factors that may have influenced performance, such as dialect mismatch, limited availability of a qualified interpreter, technical problems, or difficulty translating a particular task.
Describe the client’s communication in functional terms. Instead of writing that the client “failed” a task, explain the supports provided, the language used, the response pattern, and what conclusions can reasonably be drawn. Separate observed behavior from interpretation, especially when a response passed through several layers of translation.
Avoid broad statements such as “the parent denied concerns” when the caregiver may have expressed a nuanced view. Record the family’s priorities and examples as accurately as possible. If meaning remains uncertain, state that limitation and identify what additional information would strengthen the evaluation.
Practical Habits That Support Better Collaboration
- Contact the interpreter before the session with the evaluation purpose, expected activities, and specialized vocabulary.
- Speak in brief segments, use first-person language, and pause long enough for complete interpretation.
- Include the client’s preferred language, dialect, AAC system, and communication partners in the assessment plan.
- Treat standardized scores cautiously when translation or test modifications affect validity.
- Document interpreter details, adaptations, cultural or linguistic considerations, and limits on clinical interpretation.
Turn Findings Into Meaningful Support
The purpose of an interpreted evaluation is to understand communication in the client’s real life, not simply to complete a translated test. Recommendations should reflect the settings where communication matters: home, school, work, community activities, and medical appointments. Include supports that caregivers and educators can use in the language most accessible to them.
A family may benefit from modeling, visual routines, shared book reading, vocabulary practice during daily activities, or strategies for repairing misunderstandings. School teams may need guidance about language access, classroom participation, peer interaction, and assessment accommodations. If an ABA team or another provider is involved, clarify communication goals and make sure intervention plans respect multilingual development.
Follow-up communication should continue through qualified interpreters when needed. A family should not have to depend on a child to explain treatment goals, progress, or safety information. Consistent language access strengthens trust and improves the likelihood that recommendations will be used outside the therapy room.
Thoughtful interpreter collaboration takes preparation, humility, and precise documentation. Use these practices to make evaluations more equitable, clinically defensible, and useful to the people they are intended to serve. Save this guide for your next multilingual assessment and build interpreter planning into your regular evaluation routine.
On the Blog
Popular posts and resources from the Let's Talk Speech Therapy archive.
Top 10 Books that Encourage Language Development for Babies and Toddlers
A curated list of books that support early language development, with tips for SLPs and parents on how to use them during reading time.
Supervising a SLP Student Intern – Getting Started
Practical guidance for SLPs new to clinical supervision, covering preparation, expectations, and mentorship strategies for working with student interns.
How (and why) I Teach Phone Numbers in Speech Therapy
Inspired by a real incident, this post explains how to use backwards chaining and exit-ticket questions to teach personal safety information.
7 Tips for Making the Most of ASHA '16
Seven practical tips for navigating the ASHA convention — from session planning to networking — based on firsthand experience.
Pete the Cat Phoneme Segmentation Screener
A free printable phoneme segmentation screener featuring Pete the Cat, shared as a resource for SLPs working on phonological awareness. Published September 16, 2012.
Speaking & Professional Development
Information about professional development opportunities and speaking engagements for schools, clinics, and SLP groups.