The higher the impact factor, the more highly ranked the journal. What constitutes a "good" impact factor that you can rely on ????

What constitutes a "good" impact factor ??

09 October 2017 4,651 3 View

At what level of rise above the baseline can we confirm the out break of a common disease?

03 April 2017 516 10 View

In GYTS survey about tobacco use .What does this question measure :(On average, how much do you think a pack of 20 cigarettes costs)?

What does this question measure?

31 December 2014 3,109 0 View

Any specific formula to determine the sample size of a pilot study ?

On what basis do you determine the size of the participants in pilot study?

11 December 2014 2,632 11 View

KAP study on smoking, is k & A depdendent or independent variables could they be independent to prcatice and dependent to sociodemographic factors ?

help please

10 November 2014 8,558 4 View

What is the best book of reseach methodology for a begginer ? . I need a practical book

Read 4 answers by scientists with 1 recommendation from their colleagues to the question asked by Mirghani Mohamed on Sep 20, 2014

08 September 2014 684 4 View

What is the most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

Can the problems of overfitting be solved without cross validation?

For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?

23 February 2021 3,616 2 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

How to manage western blot for proteomics data validation?

Hi Everyone, I am a bigginer in western blotting and I am trying to use it for validation of my proteomics data. I have: two regulated proteins with molecular mass of 40 and 73 kDa one control...

23 February 2021 6,671 4 View

Can anyone provide an advice on running a validation study of a commercially available product in collaboration with the manufacturer?

We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...

17 February 2021 2,295 3 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

What does the value 0.498 in reliability?

There are 6 television programmes of different TV genres and their mean and mean ranks are put for each of them. But the reliability value of all the programmes together is 0.498 . So what exactly...

15 February 2021 7,686 4 View

Where can I find a reliable and updated methodology related with the design of spiral heat exchangers?

I need to design an spiral heat exchanger, buy I don't know what reference or bibliography (preferably a book) should I consult in order to get an updated and reliable methodology related with...

14 February 2021 7,910 3 View

What are the popular techniques for pre-processing measurement data in Smart Grid/Power System?

The data collected from various measurement devices often contains erroneous values - such as noise, missing values, etc. What are the popular techniques for pre-processing measurement data in...

14 February 2021 4,642 2 View