Title: Research & Clinical Review
Canonical: https://speechlp.com/research/
Updated: 2026-11-10
Summary: See how speech-language pathology research informs SpeechLP, how certified SLPs review the product, and how product-specific evidence is evaluated.

# Evidence guides the product. Evaluation tests it.

Built together by SLPs, product, data, and engineering.

## One multidisciplinary team

[Meet the team](https://speechlp.com/meet-our-team/)

### Clinical team

- MG **[Mari Gottlieb, MA, CCC-SLP](https://speechlp.com/meet-our-team/mari-gottlieb/)** Co-founder & Co-CEO
- AF **[Alissa Fox, MS, CCC-SLP](https://speechlp.com/meet-our-team/alissa-fox/)** Co-founder & Co-CEO

### Product, data & engineering

A cross-functional team builds, measures, and improves the product with ongoing clinical and user feedback.

- Reliable recognition
- Precise clinical control
- Clear progress insights
- Measured improvements

Our articulation practice report

## Children’s Articulation Practice in SpeechLP Across Two Months

Published November 3, 2026, this manufacturer-led retrospective preprint examines two consecutive 30-day practice periods in **101 returning recorded profiles**, with **660 matched profile-and-sound pairs**. It has not been peer reviewed.

Mean accepted-card accuracy was **69.4% in Month 1 and 74.9% in Month 2**: a difference of **+5.5 percentage points (95% CI 0.4 to 10.4)**. Recorded sessions and practice days declined.

### How to read the result

These preliminary, descriptive findings measure automated app acceptance, which has not been validated against SLP ratings. Scoring changed during the study, and no app-version adjustment was performed. The results do not establish clinical articulation improvement or treatment efficacy.

- [Read the full report](https://speechlp.com/research/articulation-practice-two-months/)
- [Download the PDF](https://speechlp.com/research/articulation-practice-two-months/SpeechLP-Articulation-Practice-Study-2026-11-03.pdf)
- [View the DOI record](https://doi.org/10.5281/zenodo.23932485)

The evidence path

## How evidence becomes a SpeechLP decision

Research defines the question. Product, data, and engineering build what can be tested. Feedback and evaluation guide the next improvement.

Clinical evidence

### Set clinical priorities

Certified SLPs interpret published evidence and define the clinical goals, practice boundaries, and needs the product should address.

Collaborative design

### Frame the work together

SLPs and the product, data, and engineering team turn clinical goals and feedback into specifications, measures, and research questions.

Engineering

### Build, measure, and refine

The product, data, and engineering team works with SpeechLP’s SLPs to implement features and improve speech recognition, reports, games, and flashcard variety.

Feedback

### Review real use

SLPs, families, and the internal team provide regular feedback on clinical fit, clarity, usability, and technical quality.

Improvement

### Study and improve

The team turns feedback into scientific research questions, reviews the evidence, and uses findings to guide the next product improvement.

## Start with the sounds that matter most

A quick, age-informed screen turns responses into focused next steps for families, SLPs, and the app.

**Find your child’s tricky sounds with our 2-minute screener.** Available in the SpeechLP app under Settings

Start screener

### Age-informed screening, focused next steps

- **Through age 6:** target sounds follow each developmental stage.
- **After age 6:** word complexity increases while sound targets stay consistent.
- **Clinical foundation:** published developmental research and input from SpeechLP’s certified SLPs guide the screener design.

#### For a child with an SLP

- Highlights sounds that may need closer attention.
- Brings a clearer starting point to the next SLP conversation.

#### For a child without an SLP

- Creates an initial, personalized practice starting point.
- Helps the app focus first on sounds that were more difficult.

### A report designed for action

The shared report keeps review simple by showing the target sound, word, and result.

| Target sound | Word | Result |
| --- | --- | --- |
| Final /g/ | pig | Keep practicing |
| Initial /b/ · Final /d/ | bed | Keep practicing |
| Initial /h/ · Final /t/ | hat | Clear response |

**A useful first signal, not a diagnosis.** The screener supports practice planning and does not replace a clinical evaluation.

## Recent research notes

Published research and clinical practice, connected to SpeechLP product decisions.

- [Sound-Level Articulation Practice: Designed for Ages 2+](https://speechlp.com/sound-level-articulation-practice-ages-2-plus/)
- [Why supported home practice matters](https://speechlp.com/why-home-practice-matters-articulation-therapy/)
- [How SpeechLP selects speech-sound targets](https://speechlp.com/the-science-of-speech-sound-selection/)

[View all articles and guides](https://speechlp.com/blog/)