What is new in the APA 7?

The Publication Manual of the American Psychological Association, Seventh Edition (APA 7) was released recently, what are the new features in this edition? how does it differ from APA 6?

08 September 2019 398 1 View

How to obtain reliability for VAS?

What is your suggestion to obtain reliability for Visual Analogue Scale?

05 June 2017 4,860 5 View

Are there ISI Journals in health field which accept papers with 7,000 words length?

Are there ISI Journals in health field which accept papers with 7,000 words length? and if related to pediatric care will be better.

11 December 2016 9,854 2 View

What is the importance of reporting the statistical assumptions?

01 February 2016 5,434 14 View

How to merge data in SPSS?

Is it acceptable to merge data from 2 different studies for the same scale? both studies are almost conducted on similar population. or, to do analysis for the psychometrics of the 2 sets of data...

31 December 2015 8,398 11 View

How does Era database classify the journals?

31 December 2015 6,951 3 View

Is this journal (GARJMMS ) classified under ISI Web of Knowledge?

31 December 2015 6,465 6 View

How to choose a research topic?

What is your advice for graduate students [in health field] for choosing the topic for their theses and dissertations?

11 December 2015 506 9 View

What textbook could you suggest for quantitative research for graduate level?

I am looking for your suggestion for a recently published book in Quantitative Research to be suitable for graduate levels. Thanks for your contribution

10 November 2015 9,548 27 View

Level of measurement for variables: Why is ordinal level sometimes treated as continuous variable?

In some publications, when one supposed to follow the assumptions of statistics, and when the level of measurement for the variable should be Interval or Ratio, one can find Ordinal level being...

10 November 2015 4,380 9 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

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 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

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

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 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

Reliable and Valid Instrument for Causes of Medical Errors?

Is there any questionnaire/survey that measures the causes of medical errors? Example: physician negligence vs. systemic issues. Looking for a reliable and validated instrument. Thank you!

15 February 2021 2,874 4 View