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

What metaphors are explaining the COVID-19 pandemic and how do they impact on the approach that is being considered from public health?

Media discourses around the coronavirus pandemic tend towards metaphorical expressions such as the war against an invisible enemy, of the ecosystem balance so that the Earth returns to its...

31 March 2020 3,098 14 View

Is justice a human construct or is it independent of humans?

Why?

07 August 2018 4,024 12 View

Would a government run with algorithms, A.I., and statistics be better or worse than the government your country has now?

Why?

07 August 2018 3,601 9 View

Do you think there is an essential connection between the morality of an action and the morality of the intentions behind it?

Why or why not?

16 February 2018 2,473 15 View

Do you think there is an essential connection between the morality of an action and the morality of the intentions behind it?

Why or why not?

01 February 2018 7,336 15 View

No title

Why or why not?

01 February 2018 3,658 25 View

In what ways is utilitarianism impartial?

Is this a strength or a weakness of the theory?

01 February 2018 151 5 View

How do you draw the line between moral obligation and legal obligation?

Some aspects of morality are indeed legislated. So how do you determine which aspects are legislatable and which are not?

01 February 2018 4,269 35 View

When people act voluntarily, are their actions caused by their desires?

Or do they have the freedom to resist their desires and simply act as unmoved movers?

30 January 2018 6,140 21 View

When people act voluntarily, are their actions caused by their desires?

Or do they have the freedom to resist their desires and simply act as unmoved movers?

31 December 2017 3,735 22 View