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Sample Size Calculation

Sample Size Calculation V3 shows you, step by step, how to calculate the sample size your study needs and understand the logic behind it.

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HYPER-FOCUSED V3

We reviewed the live sessions from the 2024 and 2025 cohorts, plus Winter 2026, topic by topic. We kept the clearest explanations, strongest examples, and most current teaching, removed unnecessary repetition, and rebuilt the material into one focused pathway. The result is our most comprehensive and up-to-date version of Basics of Clinical Research Methods in Egypt to date.


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One Course. Part of a Complete Research Skills Curriculum

 

Sample Size Calculation is Part 3 of the five-part Negida Research Skills Curriculum. Each course builds a different core research skill, and together they are designed to give medical students and doctors the foundational curriculum needed to start working in research with a clear structure rather than disconnected pieces of information.

Complete the Full Pathway.
Then Unlock Community Eligibility

Course subscription does NOT automatically give access to the Negida Research Community.
Community eligibility is unlocked only after the learner completes all five courses in the Negida Research Skills Curriculum and earns all five certificates.


Complete the full five-course pathway.
Earn all five certificates.
Then unlock eligibility to enter the Negida Research Community.

What You’ll Be Able to Do

Understand the logic behind sample size

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Choose the correct calculation

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Apply it to real scenarios

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What You’ll Learn

Highlights from this course

Short clips of Dr. Negida teaching these topics.

Two objectives, two populations: add the samples
Sample size follows your primary objective
No MCID? Use Cohen's d instead

Drawn live in class, sped up.

Choosing the sample-size scenario
Choosing the sample-size scenario

Taught by Negida and Supported by The Community


Dedicated Module Q&A Forums

Post the concepts you do not understand, questions from the course, practical research problems, or a point where you are stuck to the dedicated Q&A forum for each module . You can discuss them directly with Dr. Negida or an experienced co-instructor and leave with a clearer next step .

About Dr Ahmed Negida

Dr Ahmed Negida is an MBBCh, PhD translational research scientist, working full time in research, and a research educator with 150+ scientific publications. Since 2014, Negida Academy's research training has reached more than 41,000 medical students and doctors. He has mentored 50+ junior researchers to first-author papers. His teaching is built around making complex research concepts clear, structured, practical, and usable.

About the Negida Community

The Negida Community is a dedicated network of Negida Academy’s experienced researchers and co-instructors. Working alongside Dr. Negida across numerous research teaching cohorts, our community consistently receives strong feedback from learners for providing clear, practical explanations and collaborative support.

What Learners Say About Sample Size Calculation

L. J. Sobair

Intern / House Officer, Saudi Arabia • Part 3 / full-path learner

“The content was honestly top notch.”

Youssef Elshazli

Medical Student, Cairo University, Egypt • Part 3 / full-path learner

“Excellent lectures of Dr Negida. It is not just a presentation of the information but actual trial to simplify the theoretical knowledge as much as possible.”

Mowafaa

Medical Student, Assiut University, Egypt • Part 3 / full-path learner

“The working group, I think that applying what I learned is the best way to grow.”

Youssef Abdelrahman

Medical Student, Qena University, Egypt • Part 3 / full-path learner

“I loved the course and I love how Dr Negida simplify info … it is much easier and time-saving to attend the course.”

Join Sample Size Calculation - V3

  • Full access to Sample Size Calculation V3 while subscribed
  • V3 progress system, challenges, badges and eligible unlocks
  • Course updates released while your subscription is active
  • Mentor support with weekly office hours
  • Certificate of completion when the course requirements are completed
  • Cancel anytime

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• automatic monthly renewal until you cancel

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Enrollment does not guarantee publication. Read the full disclosure.

Frequently Asked Questions

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Besides the recorded course, you can join live sessions with our instructor team in the Live Bootcamp.

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Disclosure: Enrollment does not guarantee publication. We never sell authorship; authorship follows ICMJE criteria. Your purchase is a personal, non-transferable license. Negida Academy LLC is an independent organization and is not affiliated with, sponsored by, or endorsed by any university, hospital, or institution. Read our policiesHelp Center