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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How to determine implicit ontological and epistemological stance?

I am hoping for some guidance and additional reading material that will assist me in determining ontological and epistemological stance when not explicitly detailed within the research. Here is...

26 February 2021 227 5 View

How to understand question about epistemological starting points and theory on one side and method on the other?

The whole question looks like that: Discuss the relation between epistemological starting points and theory on one side and method on the other, concerning two methods (or two methodological...

31 October 2020 2,580 6 View

Can anyone have idea for evaluate the epistemological and ontological differences between different research methodologies?

Evaluation for epistemological and ontological differences between different research methodologies and Evaluate the strength and weakness of variety of business and management research methods

13 September 2020 6,812 2 View

Are there any theories/methods/approaches to study the history/evolution/conception of a given concept/term/label/topic within a given discipline?

Hi! I'm looking for theories, methods and approaches to study the history/evolution/conception of a given concept/term/label/topic within a given scientific discipline, mainly through the...

26 July 2020 7,790 14 View

Is rationality normative? Can rationality be naturalized? Is rationality depended on normative conditions, or is it independent of normativity?

Rationality is itself an elusive term. There are debates on the definition and criteria of rationality. The primary assumption of the naturalized and non-naturalized rationality on normative...

05 May 2020 1,095 78 View

Please help; How can I address ontological, epistemological, axiological issues in my research?

I am studying an application of Competence Based Training by teachers. I want to know how they apply it in classrooms, if they have any Pedagogy Content Knowledge (PCK) deficiency in using such a...

05 May 2020 1,039 15 View

Lateral Force Method for seismic design?

My building is a single storey that i have stabilized with beam/column frame around the perimeter (no internal walls to provide lateral bracing). To size the columns, i have considered earthquake...

10 April 2020 8,779 1 View

How do you define the ontology and epistemology of mixed methods research?

The research which i am doing consists of multiple regression and case studies research. I would like to know whether what i am doing is a mixed methods. Also, what are its ontological and...

08 April 2020 5,457 15 View

How can you insert measuring items in Projective Techniques?

I am conducting research on consumers' attitudes (namely trust & skepticism) towards Corporate Environmental Responsibility communication and would like to use Projective Techniques (Psychology...

22 March 2020 7,527 3 View