How to calculate sample size for a study conducted to evaluate a new treatment technique ??

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How to calculate sample size for a study conducted to evaluate a new treatment technique ??

A new treatment will be used to treat only one group and the results will be evaluated... How to set a sample size for such study??

04 May 2017 2,892 3 View

What is the type of this sampling technique?

I would like to ask about sampling technique. My study aimed to collect data about physical activity among university students. To be representative to all students we decided to use multistage...

10 November 2016 1,644 8 View

How can I design and calculate Multistage stratified clustered sample?

I'll conduct a study among university students . First I'll stratified them according to knowledge are "theoretical, practical and medical" then randomly chose one or two college from each area....

31 December 2015 6,910 5 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

How to calculate effect size of AMCE (Average Marginal Component Effect) in Randomized Conjoint Experiment?

I am following Hainmueller, Hopkins, and Yamamoto's (2014) paper for my randomized conjoint experimental data analysis. The link to the paper is provided below. I received a comment from the...

02 August 2024 4,406 0 View

How to conduct a sensitivity power analysis for Kendall's Tau?

Is there a straightforward way to conduct a sensitivity power analysis for a Kendall's Tau correlation? I was considering using the sensitivity setting and "Correlation: point biserial model" test...

28 July 2024 6,133 8 View

How to estimate sample size for GWAS of continuous and discrete traits? What are the pre-requisites?

Genome-wide association study (GWAS) Continuous traits: eg. Height Discrete traits: eg. Eye color

28 July 2024 286 0 View

Why Orca calculations take too loong?

Hello! I am trying to calculate the sumatriptan molecule, but it has been counting for five days and it does not stop. It seems to me that it is too long and I am doing something wrong. Please...

25 July 2024 3,364 5 View

What is the best method for removing paraffin from plant samples prepared for microtome?

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24 July 2024 3,087 3 View

What roles do microorganisms play in Earth's ecosystems, & why is their role so important and role of microorganisms in secondary wastewatertreatment?

What roles do microorganisms play in Earth's ecosystems, and why is their role so important and role of microorganisms in secondary wastewater treatment?

23 July 2024 5,032 3 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View