How to determine samle size of CFA and EFA ?

How to calculate sample size of confirmatory factor analysis (CFA) and exploratory factor analysis (EFA)? please support your answer with evidence. Thanks

02 March 2018 6,962 0 View

Can anyone recommended a questionnaire for assessing the knowledge, Attitude and Practice of nurses regarding mechanical ventilation?

08 September 2017 7,697 0 View

Is a pilot study necessary to do if the questionnaire valid ?

I have questionnaire was done in US and the questionnaire is valid , Now i want use this questionnaire in Malaysia, is a pilot study necessary to do in Malaysia ? and how i can explain about this...

04 May 2016 7,862 12 View

How to obtaining and analyzing the results of the pilot study ?

01 January 1970 2,657 4 View

Is there any fast rule on how to exactly decide on face validity?

01 January 1970 9,640 7 View

Can I consider the questionnaire valid if the author used it and have published ?

I got questionnaire from article, and the authors not mansion if he validated the questionnaire before, can I consider the questionnaire is valid because already published ?

01 January 1970 1,722 1 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

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 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

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

Why cannot world and community leaders be gentle? Where did ethics of care go?

The whole world is in a mess and paused. We all are tired of seeing hypermasculinized and destructive leaderships all around us. This world has seen enough of the aggressive patriarchal social...

23 February 2021 292 7 View

What is the most prevalent drug related problem in the developed countries?

Detecting the drug related problems is an important step in the pharmaceutical care plan

21 February 2021 5,421 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