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

Biotech Startup Research?

26 October 2020 9,698 5 View

What are the best emotional intelligence scales that contain subdimensions?

We are looking to do a study on leadership and we want to use a an Emotional Intelligence Scale that meets the following criteria 1. is used in published academic research, not just consulting...

14 July 2020 7,122 2 View

Is Innoscience a reputable research company?

Hi everyone! I received an invitation by email to join Innoscience as a collaborative consultant in Innoscience Research Sdn. Bhd (http://www.innoscience.org/). They claim to be an international...

20 January 2020 5,751 1 View

How to make a BCG Matrix in Digital marketing? and How we measured it?

The BCG matrix (named after the Boston Consulting Group that created it) is a portfolio management tool used by a company to help justify investments in products based on their market position. ,...

20 October 2019 6,795 3 View

Proceeding after reliability of a scale decreases after aggregating items?

07 August 2019 454 2 View

Literature Review in Grounded Theory ?

Hi I have adopted Grounded theory methodology for my research. During my study I was asked to write the upgrade document which is done by incorporating Literature Review. I have highlighted that...

06 July 2019 7,660 3 View

How to test the statistical significance of the difference between a mean and a median?

For two quantitative data sets (One is normally distributed and summarized as means, while the other is not normally distributed and summarized as medians), how to test the statistical...

04 May 2019 6,391 18 View

IT infrastructure costs include costs for technology consulting education, and training? True/False?

Please I need for these Management Information System questions

04 May 2019 1,229 2 View

Harmful EM waves for the brain: how to protect ourselves?

04 May 2019 3,627 1 View

Which tree variables has been obtained from Remote Sensing and which ones has been used to develop trees allometric ecuations?

I'm consulting about which variables from trees can be (and has been) extracted from remote sensing data, and which variables has been used in allometric equations. It's possible (how accurate)...

05 March 2019 2,991 3 View