sample size calculation

Suljettu Julkaistu 3 kuukautta sitten Maksettu toimituksen yhteydessä
Suljettu Maksettu toimituksen yhteydessä

Project Title: Sample Size Calculation for a Research Study


I am looking for a freelancer who can assist me in calculating the sample size for my research study. This calculation is crucial in ensuring that my study yields accurate and reliable results.

Level of Confidence:

I require a sample size calculation with a desired level of confidence of 80%. This means that I want to be 80% confident that the results obtained from my sample accurately represent the population.

Estimated Population Size:

The estimated population size for my study is approximately individuals. Therefore, it is important to consider this small population size when determining the appropriate sample size.

Margin of Error:

I require an acceptable margin of error of 5%. This means that I want the sample size calculation to be accurate within a 5% margin of error.

The primary efficacy variable is a validated questionnaire of 15 questions- each scored 0-3. So the range is 0-45.

We want to assume a placebo response of 15% and 50% response in active participants.

Skills and Experience:

To successfully complete this project, the ideal freelancer should have the following skills and experience:

- Proficiency in statistical analysis and sample size calculations

- Knowledge of research methodologies and study design

- Strong understanding of confidence intervals and margin of error

- Experience in working with small population sizes

- Attention to detail and accuracy in calculations

If you have the necessary skills and experience, please submit your proposal outlining your approach to calculating the sample size for

Excel Tilastoanalyysi Tilastotiede Tutkimus SPSS Statistics

Projektin tunnus: #37510281

Tietoa projektista

41 ehdotusta Etäprojekti Aktiivinen kuukausi sitten

41 freelanceria on tarjonnut keskimäärin $343 tähän työhön


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$300 USD 1 päivässä
(797 arvostelua)

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$500 USD 7 päivässä
(559 arvostelua)

Hi, I've calculated sample size with justification many times and could help you with this. To help you I need to know what statistical tests you will be planned. Because if you will validate questionnaire - it is one Lisää

$350 USD 3 päivässä
(79 arvostelua)

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$250 USD 1 päivässä
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$750 USD 4 päivässä
(31 arvostelua)

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$250 USD 1 päivässä
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$500 USD 5 päivässä
(133 arvostelua)

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$250 USD 3 päivässä
(162 arvostelua)

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$350 USD 7 päivässä
(67 arvostelua)

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$555 USD 1 päivässä
(14 arvostelua)

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$290 USD 3 päivässä
(44 arvostelua)

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$750 USD 3 päivässä
(6 arvostelua)

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$250 USD 1 päivässä
(58 arvostelua)

Hello dear, I am a professional writer with over 9 years of experience in the field of writing. I am a professional in providing high quality writing service. I am interested in this project. I have completed many simi Lisää

$250 USD 2 päivässä
(54 arvostelua)

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