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

Inter-rater / inter-coder reliability for thematic analysis?

In my research, I have used metaphorical elicitation tasks to investigate learners' conceptualization of speaking fluency. In the analysis phase, I used thematic analysis to make themes out of...

10 February 2021 4,719 11 View

Which and How to use teaching strategies and procedures to effectively integrate the four skills while teaching English Language Online?

As an inexperienced teacher in the field of online teaching, I have the fear of unconsciously ignoring one of the skills while focusing on not ignoring the other! Therefore, I wish to make use of...

09 February 2021 5,101 4 View

How to model Likert Scale?

Hi RG Hope you guys can help! I am (hypothetically in a paper) redoing the experiment by Fischer et al from 2015) slightly varied to test whether fluency of processing information affects...

20 December 2020 5,059 4 View

Why the oral cancer cell line from metastatic tongue origin is showing less aggressive property?

I am working with oral cancer cell line SCC090 (ATCC). As per ATCC data sheet it is originated from metastatic tongue. It's primary site is not mentioned. Due to the origination from metastatic...

08 December 2020 5,674 3 View

What's your opinion about the impact of short stories on improving students' vocabulary?

Vocabulary is vital in the process of second language learning or even the mother tongue. Therefore a student is better to depend on various sources in gaining and learning new vocabulary, short...

06 December 2020 3,838 25 View

We are bengali. Bangla is our mother tongue. Which medium school is better for our child Bangla or English?

We are bengali. Bangla is our mother tongue. Which medium school is better for our child Bangla or English?

06 December 2020 6,472 18 View

Is it possible to remove the mucus covering a fish's tongue once fixed in formalin 4%?

Hello everyone, Is it possible to remove the mucus covering a fish's tongue once fixed in formalin 4%?

29 November 2020 2,580 1 View

If i write random letter on the figure in my journal paper?

Hello? I am doing research about IoT security stuff. I know it is a sort of stupid question. Now I am writing a paper to publish in a journal. Maybe I am crazy, I want to put my personal word...

12 October 2020 9,383 4 View

How many words do you write without the help of the smart people predictive mode when using English Language?

How many words do you write without the help of the smart people predictive mode when using English Language? in chatting if English language is not your first tongue language and why? 0 or 5 ,...

02 October 2020 3,348 3 View

In a meta-analysis, what if there are two roles for participants in original studies, how do we calculate sample size for our coding protocol?

Hello. I am hoping to conduct a meta analysis in which each candidate study reports correlation coefficients between subjective ratings of spoken fluency (on a numerical scale) and objective...

27 April 2020 2,649 3 View