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Top Freelance Human Behavior & Psychology Researchers For Hire

Dr. Yulia K.

Expert in Psychometrics & Quantitative Methods | Education & Psychology| PhD|15+ yrs experience
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USD 38/hr
PhD in psychology
Serbia

I am a PhD-level researcher and consultant with over 15 years of experience in psychology, education, and social science research. I specialize...

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USD 38/hr
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Dr. Deborshi D.

Freelance Psychiatrist | Expert in Mental Health Content, Research & Consultation | MD Psychiatry" Let me know...
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USD 25/hr
Medical Degree (MD)

I am a qualified Psychiatrist (MD Psychiatry, India) with a strong foundation in both clinical practice and academic research. With experience ...

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USD 25/hr
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Maisa S.

Freelance Scientific & Medical Writer | Expert in writing Research Papers, Review articles, Data Analysis & assi...
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USD 60/hr
MSc in Life science specializing in Biotechnology
India

I am an accomplished scientific and medical writer with a strong academic foundation in Life Sciences, Biotechnology, and Biochemistry. I have ...

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USD 60/hr
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Dr. John Robert R.

Expert in SPSS and Quantitative Research | Professor of Psychopathology, Psychotherapy, Psychometrics
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USD 50/hr
Doctor of Philosophy in Clinical Psychology (minor in Personality Psychology)
Philippines

John Robert C. Rilveria is a licensed psychologist with training and expertise in applied behavior analysis, cognitive-behavioral therapy, and ...

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USD 50/hr
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Dr. Katie H.

Public Health Policy Consultant
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USD 250/hr
PhD Social Behavioural Health Sciences
United States

I am a dedicated public health professional with over a decade of experience in stake...and more than eight years in public health policy, with a strong focus on mental health and psychosocial...

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USD 250/hr
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Dr. Tomasz R.

Statistician & Data Analyst | Expert in R & SPSS | 2500+ Research Projects | Psychometrics, Methodology, APA
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USD 70/hr
Masters of Science
Poland

I am a freelance statistician and data analyst with over 15 years of experience in academic research, psychometrics, and statistical consulting...

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USD 70/hr
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Dr. Deepti Y.

Freelance Learning Analytics Expert, Statistician & Data Analyst | Python and Tableau | Research, ML and Report Writ...
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USD 1000/hr
Post Graduate Programme in Data Science and Business Analytics
India

Work experiece at Kaplan as Asso. Research Scientist and st ACER as an Assessment Expert. Awarded doctorate in Education with initial work on L...

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USD 1000/hr
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Sergio C.

Estadístico y analista de datos independiente/experto en R Y SPSS, Reactor científico con más de 9 a...
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USD 4000/hr
Especialista en estadística
Colombia

•  Habilidades técnicas Análisis de datos: SPSS, R Studio, Excel, (intermedio-alto) Estadística aplicada: Estadística desc...

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USD 4000/hr
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Dr. INDRANI B.

"Assistant Professor in Occupational Therapy & UX Designer Transforming Health Interventions with Empathy &...
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USD 60/hr
Masters (Science) in Occupational Therapy
India

I’m an Assistant Professor and occupational therapist with over five years of combined teaching and clinical experience, now venturing into doc...

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USD 60/hr
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Chao Z.

Quantitative Psychology Researcher | PhD-Level Data Analyst | R, Mplus, Matlab, SPSS | Trilingual (EN/ES/中文)
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USD 50/hr
Research in Cognition and Behavior
Spain

I am a PhD candidate in Clinical and Health Psychology with specialized training in quantitative research methods, psychometrics, and cross-cul...

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USD 50/hr
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Dr. Annamaria W.

Dr. of I-O Psychology Using Data Analysis, Applied Research & Consulting to Boost Organizational Performance & W...
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USD 10/hr
PhD Industrial-Organizational Psychology
Thailand

I hold a PhD in Industrial-Organizational Psychology and have worked across the USA, Japan, and the UK in research and consulting roles. I have...

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USD 10/hr
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Sydney D. L.

Freelance Data Scientist & Writer | Expert in Clinical Research & Healthcare
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USD 100/hr
Master of Science (M.S.) in Data Science
United States

Data scientist and strategic project manager with 7+ years combining clinical research expertise, statistical analysis, and machine learning ap...

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USD 100/hr
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Dr. Brahim Z.

Professor in Digital Media | Expert in Online Persuasion, Digitalization & Marketing | Data Analyst (R & SPSS) |...
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USD 150/hr
Doctor in Communication Science
Belgium

I am a professor in Communication Science with expertise in digital media, persuasive communication, and new media technologies. My...work explores how platforms like social media shape consumer behavior, stakeholder interaction and public...

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USD 150/hr
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Dr. Omondi E.

Medical writer, Statistician & Data Analyst with 10+ years of experience in clinical research
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USD 50/hr
Master of Science in Biostatistics & Clinical Research
Kenya

A highly experienced Medical Writer, Statistician, and Data Analyst with 10+ years of expertise in clinical research, biostatistics, and medica...

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USD 50/hr
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Dr. Ryan S.

HR & Organizational Development Consultant | Board-Certified Coach | Veteran & DEI Specialist
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USD 85/hr
Graduate certificate
United States

I am a Board-Certified Coach and PhD-level Industrial-Organizational Psychologist specializing in workforce strategy, veteran reintegration, an...

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USD 85/hr
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Dr. Aviv E.

Expert in Human Behavior, Statistics & Motivation
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USD 100/hr
PhD
Canada

I am a Ph.D.-level behavioral scientist with 10+ years of experience in experimental psychology, computational modeling, and advanced data anal...

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USD 100/hr
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Dr. Shelly R.

Behavioral Researcher | Specializing in Business Experiments & Data-Driven Survey Design
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USD 125/hr
PhD
United States

I’m a PhD-trained Marketing Analytics expert and Assistant Professor with deep expertise in survey design, experimental methods, and causal inf...

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USD 125/hr
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Dr. Saphira L.

Medical Psychologist & Public Health Expert | Scientific Writing, Data Analysis & Grant Proposa...
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USD 150/hr
PhD, Biopsychology
Italy

Experienced researcher and writer with a PhD-level background and over 9 years of work in academic grant writing, course development, scientifi...

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USD 150/hr
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Ruan F.

Editor, writer, and researcher delivering clear, impactful work with precision and purpose.
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USD 50/hr
Copy-editing. Completed a rigorous 100-hour course in the copy-editing of creative, academic, and digital texts, with particular emphasis on grammatical precision, structural improvement, and respect for authorial voice.
South Africa

Aesthetic: Earthy elegance — muted greens, rustic reds, natural textures. Communication Style: Clear, structured, practical, friendly. Strength...

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USD 50/hr
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Max M.

PhD in Clinical Research | Intervention Research, Evidence Synthesis, Meta-Analysis, Mixed Methods | Expert in R
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USD 40/hr
PhD
United Kingdom

I am a PhD candidate in Clinical, Educational and Health Psychology at University College London, with extensive experience in mixed-methods re...

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USD 40/hr
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Dr. Dylan C.

PhD in Social Psychology | Data Analyst, Educator, Social Science Researcher
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USD 20/hr
PhD in Social/Personality Psychology
United States

10 years of experience in data analysis, conducting and publishing empirical research in the social sciences, scientific writing and communicat...

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USD 20/hr
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Fitria H.

Dedicated with over six years of experience in educational research
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USD 100/hr
Master Degree
Indonesia

Early childhood education researcher

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USD 100/hr
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John P.

Independent social sciences and digital health researcher | Expert in qualitative and mixed methods research
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USD 50/hr
PhD in Social and Behavioural Sciences
Singapore

I am a researcher and practitioner with a PhD in Social and Behavioral Sciences and over a decade of cross-sector experience spanning academia,...

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USD 50/hr
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Dr. Farheen Q.

Freelancer, Content Writer Research & Scientific Work Psychology / Behavioral Science
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PH D
India

Content writting, Research & Scientific Writting

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Dr. Rachel R.

Applied Scientist| Research and Impact Strategist | Statistical modeling | Data Interpretation & analytics
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USD 56/hr
PhD
Canada

Quantitative research scientist with over 10 years of experience analyzing large-scale electrophysiological datasets and applying advanced stat...

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USD 56/hr
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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.

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Restrict who can see your project and send you proposals. Invite only specific freelancers to view your project.

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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.

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Contact experts directly

Speak directly with freelancers and explain your requirements.

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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.

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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.

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Job Done!

Approve the deliverables once you're satisfied with the job done.