Clinical trials
Reliability and Validity clinical trials
Below are recruiting reliability and validity clinical trials, each written for real people, not researchers. We’re tracking 62 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06054542Recruiting
Digital eye strain questionnaire Turkish study
This study tests a Turkish version of a questionnaire about digital eye strain. It is for people aged 18–65 who use digital devices for at least two hours a day.
AntalyaAges 18–65 - NCT06827158Enrolling by invitation
Turkish manual dexterity questionnaire for Parkinson's
This study is testing a new Turkish questionnaire about how Parkinson's affects hand and finger movements (manual dexterity). If you have Parkinson's and are between 40 and 80, you may be able to help researchers see if the questionnaire is a reliable tool for Turkish speakers.
Bandırma, BalıkesirAges 40–80 - NCT07788859Recruiting
Testing dual-task walking tests in multiple sclerosis
This study looks at how well three different dual-task tests (doing two things at once while walking) work for people with multiple sclerosis. It aims to find reliable and valid ways to assess walking and thinking in MS.
GaziantepAges 18–65 - NCT06758973Enrolling by invitation
Turkish pain anxiety scale study
This study is testing a short Turkish questionnaire about how pain affects your emotions. If you have chronic pain (lasting at least 3 months) that happens 4 or more days a week and is at least a 3 out of 10 in intensity, you may be able to help.
Kırşehir, MerkezAges 18–65 - NCT07339657Recruiting
Testing a questionnaire for urinary incontinence in women
This trial is testing a new questionnaire (called PRAFAB) to see if it is a valid and reliable way to measure how urinary incontinence affects your daily life. The goal is to have a better tool for doctors to understand and help patients with this condition.
Afyonkarahisar, MerkezAges 18 years+ - NCT07267442Recruiting
Testing a hypertonia tool for children with movement disorders
This study is translating and testing a tool that helps doctors assess muscle stiffness (hypertonia) in children with motor disorders. It aims to make the tool available in Turkish so it can be used more easily in clinics.
AnkaraAges Up to 18 years - NCT07462338Enrolling by invitation
Walking test reliability in multiple sclerosis patients
This study checks how reliable a simple walking test (Timed Up and Go) is for people with multiple sclerosis, especially when they do another task at the same time. It aims to improve how doctors measure walking ability.
Gaziantep, GaziantepAges 18–65 - NCT06994793Recruiting
Testing a device that measures walking and jumping
This study checks if a device called iSen can accurately measure how healthy adults walk and jump. If you are a healthy adult between 18 and 35, your participation could help confirm whether this device works well for future use.
KirikkaleAges 18–35 - NCT06875908Recruiting
Turkish sleep survey test for multiple sclerosis
This study tests a Turkish-language sleep survey for people with multiple sclerosis. It aims to see if the survey is a reliable way to measure sleep problems in MS patients.
Bağcılar, IstanbulAges 18–65 - NCT06715397Enrolling by invitation
Turkish questionnaire for arm, shoulder, or hand injury patients
This study is testing a Turkish version of a questionnaire that measures how well people with arm, shoulder, or hand injuries can do daily activities. If you join, you will fill out the questionnaire to help make sure it works well for Turkish-speaking patients.
Yenişehir, MersinAges 18 years+ - NCT07033390Enrolling by invitation
Study on orthopedic shoe comfort questionnaire
This study tests a new questionnaire that measures how people feel about wearing orthopedic shoes. It aims to make sure the survey is accurate and reliable for Turkish speakers.
Beykoz, IstanbulAges 16–75 - NCT06568341Recruiting
Yoga expectations scale for Turkish adults
This study is testing a new Turkish version of a questionnaire that measures what people expect from doing yoga. It helps researchers understand how yoga might help patients.
Ankara, AltindagAges 18–65 - NCT06587724Recruiting
Testing a questionnaire for myositis
This study is testing a new questionnaire called the BETY-BQ to see if it is a good tool for measuring how well people with myositis are doing—things like symptoms and function. The goal is to make it easier for doctors to track your progress over time.
Ankara, AltındağAges 18 years+ - NCT06591702Recruiting
Testing a quality-of-life questionnaire for kidney disease
This study tests a questionnaire (BETY-BQ) to see how well it measures quality of life in people with kidney disease, on dialysis, or after a kidney transplant. It will help doctors better understand your symptoms and daily life.
Ankara, AltındağAges 18 years+ - NCT06834048Recruiting
Balance test for posture pain and muscle tension
This study tests if a balance scale works well for Albanian people with posture-related pain or muscle tension. It helps figure out if your balance is affected by these issues.
MurciaAges 50–80 - NCT07468864Recruiting
Turkish vertigo questionnaire study
This study tests a questionnaire for people who feel dizzy in certain visual or busy environments. It helps researchers see if the Turkish version of the test works well.
Bağcılar, GüneşliAges 18 years+ - NCT07253376Enrolling by invitation
Study of a cognitive function scale for Parkinson's in Turkish
This study is testing a new rating scale (a set of questions) to measure how well people with Parkinson's disease can handle daily tasks that require thinking skills. It aims to make sure the scale works well in Turkish.
AnkaraAges 40 years+ - NCT06581770Recruiting
Turkish Digital Health Readiness Questionnaire Study
This study tests a Turkish version of a questionnaire about how ready people are to use digital health tools. It is for Turkish-speaking adults with chronic conditions like obesity, diabetes, heart disease, or lung disease.
Istanbul, IstanbulAges 18 years+ - NCT07763522Enrolling by invitation
Measuring ankle strength in people with herniated disc weakness
This study tests a new way to measure ankle strength in people who have weakness from a herniated disc in the lower back. The goal is to confirm the measurement tool works well for tracking such weakness.
Helsinki, UusimaaAges 18–65 - NCT07853820Enrolling by invitation
Health literacy survey for nursing assistants
This study is developing a questionnaire to measure the health literacy of nursing assistants (people who provide daily care to patients). It aims to improve training and support for caregivers.
Xi’an, ShanxiAges 18–65 - NCT07851922Recruiting
Walking and balance tests for people with hemophilia
This study checks if two simple walking and balance tests are reliable for people with hemophilia who have had joint bleeds. It may help doctors better track joint health and function.
VanAges 18–65 - NCT07803913Recruiting
A questionnaire for women with lipedema
This study tests a new Turkish questionnaire that measures how lipedema affects your daily activities. By answering questions, you help create a tool that doctors can use to better understand and treat lipedema.
Istanbul, EyupsultanAges 18–65 - NCT07710625Recruiting
Heat sensitivity scale for Parkinson's disease
This study is testing a new questionnaire to measure how heat affects people with Parkinson's disease. If you have Parkinson's and notice changes with heat, this may help doctors better understand your symptoms.
Istanbul, TurkeyAges 40–85 - NCT07706296Recruiting
Hand function tests for carpal tunnel syndrome
This study tests whether certain hand function tests are reliable and accurate for people with carpal tunnel syndrome. It helps doctors better understand how the condition affects your hand use.
IzmirAges 18–60
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Common questions
- Are there clinical trials for reliability and validity?
- Yes. Clin2 currently lists 62 recruiting reliability and validity studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a reliability and validity trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a reliability and validity trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.