Daniel W.
Scientist with extensive management experience, including navigating the operational complexities of cross-functional and multi-PI collaboratio...
Stephanie R.
With over 20 years of experience in government, public health, and nonprofit sectors, I specialize in strategic planning, process optimization,...
Umar S.
Off-Page SEO Expert I am an Off-Page SEO expert, focused on increasing online authority and traffic for clients' websites. My expertise inc...
Professionally qualified statistician with strong programming background and analytical skills. Several years of experience in the field of dat...
Alina F.
I am psychotherapist and I work with people who are experiencing anxiety and depression, stress or children with disabilities.
Mats S.
Systematic Review
Vipul P.
Freelance Business Psychologist, Expert in SPSS. 5 year experience in research
Lorleen F.
Consultant and researcher with over 10 years of experience in child rights, child protection and online safety. Demonstrated expertise in the d...
Anna S.
Hi everyone, I'm an expert in designing and building healthcare products and services since 2016. My main field of expertise includes Machi...
Sarah L.
I am a highly experienced copyeditor and writer looking to expand my client base. Currently, I’m editing for Academic Language Experts out of I...
Riddhi D.
Experienced research professional with extensive experience in quality metrics (HEDIS and CMS measures) health outcomes research and large data...
Marissa C.
Data scientist with a passion for understanding human behavior and human interactions using statistics. 5+ years experience utilizing statistic...
Deepa T.
I have work experience of around 8+ years inclusive of working as an educator and engineering, currently working in rural India for improving s...
Consult top Human Behavior & Psychology freelancers with expertise in behavioral science, writing, and more. Kolabtree is the world's largest platform for hiring trusted freelance scientists and consultants.

We take several measures to help you work with full confidence and peace of mind.
Keep your project private
Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.
NDAs and IP protection
Our T&C include a default confidentiality clause that protects your IP and NDA for added protection before disclosing project details.
Kolabtree ensures safety and security of your payments and personal information and project details. Kolabtree’s T&C includes a default confidentiality and NDA clause.
You will receive detailed proposals directly from Kolabtree. These proposals will include a comprehensive Statement of Work (SOW), project fees, milestones, and deadlines.
You can choose to pay either a fixed or an hourly fee based on your scope of work. Pre-pay for the next milestone. You have to approve the deliverables only if the quality meets your expectations. If you arn’t happy, we’ll refund your money.
Kolabtree will share multiple quotations for your project. You have the freedom to accept the quote that aligns with your project requirement and budget. You can get in touch with us in case you want to discuss the fee.
Our T&C include a default confidentiality clause that protects your IP and NDA for added protection.
Contact experts directly
Speak directly with freelancers and explain your requirements.
100% satisfaction guaranteed
You have to approve the deliverables only if quality meets your expectations. If you arn’t happy, we’ll refund your money.
Project Management
Keep track of files and conversations in the user-friendly Workspace.
Flexible, secure payments
You can choose to pay either a fixed or an hourly fee based on your requirement.
Post your Project (Free)
Your project details are safe, secure and visible only to logged-in users.
Get Quotes & Choose Experts
Discuss your requirements in detail with the experts before accepting the final statement of work from Kolabtree.
Collaborate
Pre-pay for your project and work with the expert to get your desired output. Keep track of files and conversations in the user-friendly Workspace.
Job Done!
Approve the deliverables once you're satisfied with the job done.