What is it?
Most of our studies involve interviews where we seek your open and honest feedback. Your input can help shape the development of future medical devices, products, and packaging to benefit end users. This could mean making them more accessible and easier to use for patients with health conditions, or improving safety for medical professionals. By participating, you will make a positive impact on people's lives and the future of healthcare.
Plus the sessions are interesting and it's a great way to make a bit of money.
Who we look for?
Anyone can take part! We're always looking for people to volunteer their time for research studies. We seek a diverse range of volunteers and welcome individuals from any background or lived experience to ensure a representative sample.
Adults with health conditions, adults without health conditions, children, students, caregivers, doctors, nurses, pharmacists—everyone is encouraged to apply.
We're recruiting for the listed studies
If you need any special assistance to reach the study location or any special requests for when you are at the location, please feel free to let us know through the email address below:
Study Overview:
We are looking for healthcare professionals to take part in a 1-on-1 study session in Bristol, UK.
Information collected in the study will be used to inform future device development of a fetal heart monitor.
We need to understand the background and experiences of our participants and we aim to recruit healthcare professionals who can provide a broad range of clinical insights.
Study Dates: 10th April – 30th April 2026
Study Duration: 60 minutes
Location: Crux CTC – 337 Paintworks, Arno’s Vale, Bristol BS4 3AR
Incentive: £200
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for a sample of female adults to take part in a 1-on-1 study session in Bristol, UK.
Information collected in the study will be used to inform future device development of a fetal heart rate monitor.
The study sessions are focusing on a device which will be used by expectant mothers before and during labour. You will be asked to wear three different heart rate monitor devices around your abdomen while completing a few activities.
We need to understand the background and experiences of our study participants and aim to recruit a diverse range of people.
Study Dates: 10th April – 30th April 2026
Study Duration: 45 minutes
Location: Crux CTC – 337 Paintworks, Arno’s Vale, Bristol BS4 3AR
Incentive: £100
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for adolescent patients living with a diagnosis of Atopic Dermatitis to take part in a user research study.
The aim of the study is to evaluate an injection device, which may be used to treat a variety of conditions. The session will require you to simulate the use of an injection device, before providing feedback on device’s features and any preferences you may have.
These devices will not contain a drug but will instead contain a placebo. You will not be injecting yourself or anyone else during the study; instead, you will be injecting into an injection pad.
Study Dates: 30th March – 24th April 2026
Study Duration: 60 minutes
Location: Crux – Flatiron Building, 332-336 Paintworks, Bristol, BS4 3AR, UK.
Incentive: £120
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for adult patients with Rheumatoid Arthritis to take part in a user research study.
The aim of the study is to evaluate an injection device, which may be used to treat a variety of conditions. The session will require you to simulate the use of an injection device, before providing feedback on device’s features and any preferences you may have.
These devices will not contain a drug but will instead contain a placebo. You will not be injecting yourself or anyone else during the study; instead, you will be injecting into an injection pad.
Study Dates: 16th March – 24th April 2026
Study Duration: 60 minutes
Location: Crux – Flatiron Building, 332-336 Paintworks, Bristol, BS4 3AR, UK.
Incentive: £100
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for adolescent patients living with Crohn’s disease (CD) or Ulcerative Colitis (UC) to take part in a user research study.
The aim of the study is to evaluate an injection device, which may be used to treat a variety of conditions. The session will require you to simulate the use of an injection device, before providing feedback on device’s features and any preferences you may have.
These devices will not contain a drug but will instead contain a placebo. You will not be injecting yourself or anyone else during the study; instead, you will be injecting into an injection pad.
Study Dates: 30th March – 24th April 2026
Study Duration: 60 minutes
Location: Crux – Flatiron Building, 332-336 Paintworks, Bristol, BS4 3AR, UK.
Incentive: £120
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for adult patients with Atopic Dermatitis to take part in a user research study.
The aim of the study is to evaluate an injection device, which may be used to treat a variety of conditions. The session will require you to simulate the use of an injection device, before providing feedback on device’s features and any preferences you may have.
These devices will not contain a drug but will instead contain a placebo. You will not be injecting yourself or anyone else during the study; instead, you will be injecting into an injection pad.
Study Dates: 16th March – 24th April 2026
Study Duration: 60 minutes
Location: Crux – Flatiron Building, 332-336 Paintworks, Bristol, BS4 3AR, UK.
Incentive: £100
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for adults with Autoinjector experience to take part in an upcoming study in Boston.
The study aims to evaluate a set of electronic instructions for use (eIFU) to be used with an injection device with a diverse group of potential users. The results from this study will be used to inform future concept development of the eIFU.
We need to understand the background and experiences of our study participants and aim to recruit a diverse range of people.
Study Dates: 16th – 27th March 2026
Study Duration: 60 minutes
Location: Crux – Cambridge Innovation Centre (CIC), 245 Main Street, Cambridge, MA 02142, US.
Incentive: $200
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for Healthcare Professionals with experience using Autoinjectors to administer medication to take part in a 1-on-1 discussion, in your own home, as part of research conducted by Crux Product Design. The information from the study will help develop future technologies for injectable devices. You will be asked questions about your experience using injection devices.
Study Dates: 9th – 27th February 2026
Study Duration: 30 minutes
Location: Online via a link from Crux
Incentive: £100
All participation is remote – carried out in the your own home via a video call with a Crux researcher.
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for people aged between 12 – 17 years old with Autoinjector experience to take part in a 1-on-1 discussion, carried out in your own home, as part of research conducted by Crux Product Design. The information collected in study will help develop future technologies for injectable devices. You will be asked questions about your experience using injection devices.
Study Dates: 9th – 27th February 2026
Study Duration: 30 minutes
Location: Online via a link from Crux
Incentive: £110
All participation is remote – carried out in the your own home via a video call with a Crux researcher.
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
We are looking for Adults with autoinjector experience to take part in a 1-on-1 discussion, carried out in your own home, as part of research conducted by Crux Product Design. The information collected in the study will help develop future technologies for injectable devices. You will be asked questions about your experience using injection devices.
Study Dates: 9th – 27th February 2026
Study Duration: 30 minutes
Location: Online via a link from Crux
Incentive: £80
All participation is remote – carried out in the your own home via a video call with a Crux researcher.
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
Crux are conducting a study on behalf of a medical firm and would like to gather your input on a new prefilled syringe. This is not a clinical trial and you will not be asked to take any medication. However, you will be asked to handle prefilled syringes which contain a needle and are filled with a fake drug product to simulate an injection into a pad.
Duration: 30 minutes
Date: January 29th – February 11th
Location: Washington, DC
Incentive: $200
Thank you for considering this opportunity to make a difference in future healthcare solutions! Best regards, The Crux Product Design Team.
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Study Overview:
Crux are conducting a study on behalf of a medical firm and would like to gather your input on a new prefilled syringe. This is not a clinical trial and you will not be asked to take any medication. However, you will be asked to handle prefilled syringes which contain a needle and are filled with a fake drug product to simulate an injection into a pad.
Duration: 30 minutes
Date: February 13th – March 2nd
Location: Floor 3 CIC, 245 Main St, Cambridge, MA 02142, United States
Incentive: $150
Thank you for considering this opportunity to make a difference in future healthcare solutions! Best regards, The Crux Product Design Team.
Location:
Study Duration:
Interested?
Please register your details by clicking the ‘Register Now’ button. If you have any questions, please contact takepart@cruxproductdesign.com
Frequently Asked Questions
Are you interested in influencing the design of medical devices and consumer products? Our leading design and engineering consultancy, with offices in Bristol, UK, and Boston, US, is looking for participants to take part in paid human factors studies.
If you can't find a suitable study in the list above, please register your interest, and we will contact you when a suitable study becomes available.
Here are a few commonly asked question related to participation in the studies!
The incentive amount will vary from study to study, depending on the length and if you are a patient or a medical professional. Payment of incentives normally takes 4 working days but sometimes can take up to 10 working days depending on your bank.
They will vary in length depending on the study type, but are normally 1 hour. Some can last a couple of hours, others all day and some are diary studies.
We are GDPR compliant so your data will not be sold and is stored securely.
Anyone can take part! Adults with health conditions, adults without health conditions, children, students, carers, doctors, nurses, pharmacists... we encourage everyone to apply.
Yes, we are grateful to anyone volunteering their time for studies. However to be impartial and inclusive we tend to not include people who have taken part in the last 3 months.
Please contact us at your earliest convenience on either;
Phone number +44 (0) 117 300 9788
Email address takepart@cruxproductdesign.com
Human factors and usability research examines the performance of a device or product. We gather feedback from potential users with the aim of improving the product for future users. Remember, there are no wrong answers!
Our head office is in Bristol, England, where some studies take place. However, we also run studies globally from other locations in the UK, Europe, and America, both in-person and virtually.
Both our Bristol and Boston offices are wheelchair accessible, featuring lifts and access to designated disabled parking spaces.