Human Factors & Usability Testing

Whether you require an end-to-end solution or just a piece of the puzzle, we oversee your human factors research, analysis, and evaluation.

We connect you to answers during every phase of your design process and the data you need when preparing submissions for regulating bodies.

iconDrug Delivery Devices

iconMedical Devices

Consumer Products

Human Factors Testing Made Smarter, Faster, and Easier

Access to 10 million global subjects

Our deeply profiled panel of healthcare professionals, patients, and consumers power’s our ability to quickly connect you with your target audience for your important testing.

Integrated sites in
the US & Europe

With a portfolio of proprietary testing and simulation spaces across key markets in the US and Europe, we coordinate your human factors and usability testing with consistent high quality.

Expert project management

From feasibility to delivery, one dedicated and expert point of contact oversees the recruitment and consistent application of research protocols nationwide.

Experience leading a range of testing methods

Leveraging our human factors data-collection expertise, we optimize your testing for success across diverse and hybrid study methods: online, in-person, and mobile.

Connect with Your Target Audience

Subjects in our vast proprietary panel have already opted-in for potential studies and are available for further evaluation for inclusion and exclusion criteria. In-person and virtual informed consent options are available to quickly access the subjects needed for testing.


Healthcare Professionals

We recruit a full range of healthcare professionals including physicians, surgeons, nurses, physicians’ assistants, pharmacists, and veterinarians.



We track over 326 medical conditions in our panel of patients and caregivers. We also track consumers’ choices and behaviors around health and well-being.

simulated use testing


We profile our consumers on 200+ attributes comprising demographics, behaviors, and interests.

clinical logos

An Expert Clinical Team

Schlesinger Clinical Research team customizes solutions to optimize your study success regardless of where you are in your product development cycle. From writing protocols and study guides to testing execution, analysis, and comprehensive reporting, our experts take a consultative approach to supporting your human factors and usability testing.

Our world-class certified management team, seasoned in conducting regulated tests using GCP standards, oversees recruiting excellence, protocol adherence, and consistency across testing sites.

  • Manufacturers: CPG, Device, Drug
  • Insights Agencies
  • Human Factors Groups/Agencies
  • Research & Development Teams
  • Product Design & Engineering
  • Real World Evidence Researchers
  • Universities & Academic Institutions
  • Government Agencies
  • Formative Testing
  • Validation/Summative Testing
  • Instructions for Use (IFU) Testing
  • Invasive & Non-Invasive Device Testing
  • Claims Substantiation
  • Actual Use Tests (AUT)
  • Label Comprehension
  • Product Testing
  • Observational Studies
  • User Experience
  • Cognitive Testing
  • Packaging Design
  • Rx-to-OTC Switch
  • Cognition Testing
  • A/B Concept Testing
Chris Kim

Chris Kim, MD
VP, Human Factors

Data collection sites optimized for your success 

Test your product’s usability, safety, and efficacy with your intended audience in our world-class insights, testing, and simulation spaces across the US and Europe. Our on-site team leverages 50+ years of data collection experience to coordinate all aspects of human factors testing in each location with consistent high quality.


Have a project in mind?

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