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

Is there any teachers based in UK who would like to take part in my study?

24 February 2021 4,833 3 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to quantitize interview data?

Hello everybody, What do you think is the best method to turn interview data into quantitative data? I would like to get experts opinion on different sustainability factors (but to not bias them...

01 February 2021 7,720 8 View

Can I use video interview excerpts from others in public domain (YouTube, Vimeo, etc) for my empirical analysis?

Dear community, I am currently writing my master's dissertation. As a part of the method, I have to include views (interview) of experts for the empirical analysis. The problem is I have not...

31 January 2021 3,438 3 View

Which method to choose for analysing semi-structrured interviews?

Hi, I did a literature review on innovation diffusion theories (Rogers), and I attempted to test the practicality of these theories when introducing novel medical devices. I did semi-structured...

05 January 2021 276 8 View

New/Creative Methods in Qualitative Research?

I will be conducting a qualitative research into well-being and help-seeking behaviour in elite coaching and I'm trying to think of new/creative ways how to do this rather than just conducting...

05 January 2021 5,158 4 View

Can I use ORANGE towards text mining for qualitative research publication? For interview responses?

1. Can I use ORANGE towards text mining for qualitative research publication? For interview responses? 2. Is it an acceptable methodology? 3. Can you pls refer me to any already published...

02 January 2021 5,084 3 View

What are some of the best phenomenological data collection methods for triangulation?

I am hearing impaired, and I am working on my pre-proposal for my dissertation. I am shying away from interviews because of my disability, but I realized there is no way around it. So far, I will...

01 January 2021 5,714 3 View

Is explanatory sequential design the right design for my research?

I am interested in finding the effects of technology on the learning achievement of students. The data collection will include pre and post test scores of the experiment group and later...

26 December 2020 3,757 4 View

In a qualitative research, how many informan should I interviewed at a minimum to conclude my research?

I am performing a research titled the implementation of risk management for the management of village fund. I have already interviewed some informen. My question is how many informan should I get...

25 December 2020 5,061 37 View