Power sample size estimation?

in case-control intervention study (2 groups). What should be selected to calculate power sample size: 1- Data of primary outcome from previous published article 2- Minimal clinically importance...

05 June 2019 3,267 1 View

Meta-analysis for non RCTs

06 July 2017 4,733 2 View

How can I calculate the Standard deviation for the change?

I have two values. every value is consisted of mean and standard deviationI need the change and standard deviation for the change

05 June 2016 9,489 0 View

Acute stroke, Sub-acute stroke and Chronic Stroke. Does anyone have a good refrence in this object?

09 October 2015 2,801 0 View

What is the relationship between sample size and risk of bias?

what is the relationship between sample size and risk of bias in clinical trials

09 October 2015 9,676 1 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to upload pdf of my articles published?

How to upload pdf of my articles published?

03 March 2021 2,183 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Would adding books published in Lambert Publishers increase my RG impact?

There are some books published in LAP. Shall I add it to the RG?

02 March 2021 2,753 1 View

Is Journal of Agricultural Research a predator?

it is published by Juniper

28 February 2021 354 4 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How can I publish a manuscript in free or low cost journal with good H-Index?

Dear all I am going to publish my manuscript which is from my thesis in a good H-Index journal but I found them very expensive(I don't have financial support) based on the exchange currency of my...

28 February 2021 7,800 6 View

Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View

Can I put a figure that was drawn by Bio-Render in publication paper?

I want to publish paper in journal but I have figures which have drawn with bio-renders, can I put them in the paper or which other software I can use to draw them?

27 February 2021 8,179 1 View

How could I process data in RCT to include it in meta-analysis?

I'm in the process of doing a meta-analysis and have encountered some problems with the RCT data. One of my outcom is muscle strength. In one study, I have three different measurements of muscle...

25 February 2021 7,603 3 View