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 Research is yet left in the field of Automation and Unemployment?

I have been through a number of journals and Research Papers. I wanted to get an idea as to what new areas are still left to be researched in "Will Automation lead to unemployment or it will lead...

09 February 2021 9,332 4 View

What are the ways to test the knowledge level of agricultural labourer about their day to day work?

what kind of test can I do for testing the level of knowledge about their daily operation?

03 February 2021 7,583 10 View

Are there existing studies in economic sociology that have applied Kalyan Sanyal's theoretical framework as a methodological basis?

To be precise, I am looking for studies on informal labour that have taken on board Sanyal's category of the Need Economy and his 'Politics of Exclusion' in studying the political-economy of...

26 January 2021 4,219 3 View

What do you think about improving metaheuristics using mathematical programming?

In recent years, many new heuristic algorithms are proposed in the community. However, it seems that they are already following a similar concept and they have similar benefits and drawbacks....

30 December 2020 5,017 34 View

Governance issues please?

Please suggest the means for tracing and prioritizing major governance issues in Indian agriculture... Quantification issues as well are welcome... Thanks in advance...

27 December 2020 3,585 3 View

Interested in being a reviewer for Scheduling-optimization-meta heuristics?

Dear fellow researchers, I need a two to three non indian reviewers for the research area of Scheduling-optimization-meta heuristics-operation research. all the journals are asking for other...

22 November 2020 9,633 5 View

Is it a feasible way to model CO2 emissions Mathematically?

I am working on the Environmental and Social indicators. So the easiest way is to get the solution is to go for any LCA tool;But my doubt is ,is it possible to mathematically model the Emissions...

17 November 2020 8,492 3 View

Global management market of courses & marketing to improve quality in Pt Treatment or science or mainly Bureaucracy?

12 October 2020 9,272 1 View

Structural equation modelling or multiple regression?

Hi all, I am currently building a proposal for my master's research and am a little confused about the best statistical method of analysis to employ. I'm researching the mediating effect of...

08 October 2020 2,551 7 View

What are the types of optimization problems that can't be tackled by meta-heuristic and heuristic algorithms?

Any decision-making problem when precisely formulated within the framework of mathematics is posed as an optimization problem. There are so many ways, in fact, I think infinitely many ways one can...

06 September 2020 9,415 14 View