10 October 2016 1 5K Report

Is there any hints for getting a scholarship in pharmacy practice from high reputation Universities?

More Ehab Mudher Mikhael's questions See All
ANOVA or ANCOVA?

I made an interventional study, with 2 groups control and intervention group, with measurement at baseline, after 3 months and 6 months, what is the best statistical test to evaluate if the...

02 March 2020 7,482 4 View

2 way ANOVA is it useful? is there any alternative?

Can I know how to perform comparison between 2 groups (intervention vs control) for a parameter which obtained at 0, 3 and 6 months (3 readings) and the data is abnormally distributed?

02 March 2020 6,004 3 View

Sample size calculation in randomized clinical trials??

can we calculate sample size in clinical trials based on history by using the mean data (mean improvement and mean SD) for a number of studies ? or it must be obtained from one study? Please if...

09 October 2019 5,493 4 View

Retention rate in clinical trials?

Can a researcher get higher than the desired sample size in one arm of the study? Example if the sample size is 60 patients (30 in each arm) and one assumes 30% loss to follow up with a total of...

09 October 2019 8,369 6 View

What is the required sample size for randomized clinical trial among diabetic patients?

If previous studies showed a reduction of 0.71% in Hba1c (SD = 0.55) in inetrvention group and 0.25% (SD=0.47) in control group what will be the required sample size for this study to achieve 0.05...

06 July 2018 949 15 View

Is it reasonable to do a research on a new drug when its expected side effect is serious?

I just read news on medscape and found the following status: The research team is hoping to start trials of a plasminogen activator inhibitor 1 (PAI-1), TM5614, to examine its effects on insulin...

10 November 2017 8,644 5 View

What is the best reliability test?

Is there a reliability test other than cronbach alpha if answers to questionnaire questions with yes or no ?

09 October 2017 1,794 5 View

How to validate a questionnaire?

If someone structured a new questionnaire in arabic and did a pilot study on arabic people, but to publish the article an english version of the questionnaire is needed, then is there a need to do...

08 September 2017 8,721 7 View

How to calculate sample size?

How to calculate sample size if the study is proposed to be done in multiple phases, phase 1 qualitative study, phase 2  cross sectional study and phase 3 clinical trial? can we take 1 sample size...

07 August 2017 2,248 6 View

What will be the expected sample size for rare disease with 4/100000 prevalence ?

Is there any formula or calculator for measuring sample size in rare disease? especially if the researcher work in a medical center for this rare disease with nearly half of country cases

03 April 2017 4,394 18 View

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Interested in a SCOPUS collaboration?

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In teaching with Evidence-Based Practices for students with ASD, what are some that can benefit from the use of AI?

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Would you be willing to take a look at interview questions for a research study?

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Hi, I am a research student at my university for the honours degree .how to find one?

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Any one interested in working on assessment/feedback as a Postdoctoral Fellowship at The Education University of Hong Kong?

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Среди участников форума есть желающие участвовать в создании Глобального Центра?

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Can anyone suggest me the questionnaire along with scoring key to assess the mental health wellbeing of the college faculty?

I am Ruthra, and I have been working as a psychologist for the past 10 years. Now, I'm interested in conducting research and I would like to conduct a survey on mental health and wellbeing among...

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How to ask to correct the Incorrect Claim regarding the writer of Article that I was involved in?

Dear sir/Madam, I am Parinaz Parsa the first writer of article "Optimisation of probiotic yoghurt production enriched with phytosterols" and understand that one person is mentioned as writer which...

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