Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 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

Should the AUC in a concentration-time graph of a subcutaneous implant be roughly the same for poeple?

I have 2 concentration time curves of a subcut drug implant. the first group has a peak around the 50 day mark where as the second group does not. Both groups received the same implant by the same...

10 February 2021 2,305 3 View

Software for flow cytometry-like gating of data sets?

I am currently trying to do image based cytometry from fluorescence microscopy images. From the images I extract data such as cell size and a number of fluorescence intensities. Is there any...

09 February 2021 6,278 1 View

Can A. thaliana splice algae genes?

24 January 2021 329 2 View

Does long term preservation (10years) of Collembola in 99% Ethanol affect recovery rate of extraction by flotation?

Hello! I am currently developing an automated counting approach using Fiji to count Collembola from pitfall trapped samples that have been stored in Ethanol (99%) since 2010. I use flotation (tap...

13 January 2021 659 2 View

Co-stain Lectin PNA FITC conjugate with an uncojugated primary antibody?

Hello, I am planning to stain retinal tissue sections for IHC and want to co-stain cones and rods. For this we plan on using a Lectin PNA From Arachis hypogaea (peanut), FITC Conjugate for cones...

12 January 2021 583 1 View

How to use Abaqus USDFLD subroutine to vary stiffness?

Hi I have a problem where I am trying to vary the stiffness spatially across a structured interface. The whole idea is to vary the stiffness vertically, with a bulk stiffness of 8GPa decreasing...

06 January 2021 262 3 View

I really need help with cov-2 pseudotyped lentivirus production. Support?

Hi, i'm desesperate. i'm trying to produce lentivirus usinf BEI resources kit NR-52948. 24 hours after transfection i detect a massive GFP expression in my 293T cells. After 72 hours i filtered...

30 December 2020 9,889 6 View

How can i estimate the total phenolic content from a plant extract?

Suggestions and recommendations are welcome. A protocol used and experience would also be helpful.

25 December 2020 9,807 4 View

Are there papers on?

I'm looking for a papers concerning either Christianity or neopagan religions and social media. What role does social media play in the spread of these religious movements? Any suggestions on the...

15 February 2021 655 4 View

What are the most important values we should teach to our students?

In one of my articles "The need for a values-based university curriculum" https://www.universityworldnews.com/post.php?story=2019092415204357 I propose that higher education should adopt a...

14 January 2021 2,304 95 View

You can mention a contribution that science will achieve in this year 2021?

It is known that scientific knowledge is replicated each time at more unusual speeds, however, humanity expects more from our scientific work, that is, solutions to problems that have accumulated...

02 January 2021 8,300 16 View

How the year 2021 can be made good for global community?

Many steps can be taken to make the year 2021 good for humanity. For instance, if powerful and rich countries decide and spend some part of their resources for the improvement and betterment of...

30 December 2020 830 4 View

Is there any kit or antibody to detect Human Insulin, not cross with mouse?

Hello. I want to detect Human Insulin in serum or pancreatic tissue. As I am working on humanized mouse model, I need to use something without crossing with mouse insulin, but I could not find a...

29 October 2020 2,472 3 View

Why did it take humanity so long to start writing though we have been speaking for tens of thousands of years ?

They say we were just speaking and not writing anything for tens of thousands of years till a basic form of writing evolved just about ten thousand years back. Why this yawning gap ?

22 September 2020 5,313 7 View

The United States, China, and Thucydides Trap: Do you think there will be a war between China and the United States?

I think both countries are going to adopt solution, as the main reason for adopting the solution is obvious: nuclear deterrence - every nuclear power has the power to annihilate humanity. So it's...

07 September 2020 7,835 19 View

What is the relationship between Ubuntu//Botho philosophy and Gender?

The African philosophy of Ubuntu is highly praised for its understanding of one's humanity as the capacity to recognise the other. What is the link between Ubuntu and gender? Is Ubuntu gender...

31 July 2020 3,586 5 View

As a social scientist anticipating new religious research on COVID-19, what should quantitative & qualitative sociologists of religion be asking?

COVID-19 is already accentuating interesting religious phenomena. Churches closing, beliefs regarding healing, trust in science are the kinds of issues we might ask regarding the relationship...

11 April 2020 6,231 56 View

Do forests play any role in controling pandemics?

Only a decade or two ago it was widely thought that tropical forests and intact natural environments teeming with exotic wildlife threatened humans by harboring the viruses and pathogens that lead...

25 March 2020 2,119 4 View