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

Defining mixed model with repeated measures data?

HI all, I have been working with daily diaries data ( 6 emotions of which 3 positive and 3 negative) were assessed for 30 days. These observations (1level data) are then nested within subjects...

13 February 2021 1,810 3 View

How to analyse multiple Likert scales?

Hello everyone! I've encountered a problem when trying to figure out the methodology of my dissertation. The study has multiple variables and will be, in general, rather complicated, but my only...

02 February 2021 2,086 3 View

Diabetic patients and religiosity?

How to convince a poorly educated diabetic patient, of high religiosity, who believes that complications will definitely occur with the will of the God however he does

29 December 2020 2,304 4 View

Domestic ancient Egyptian gods and goddesses?

Who are the gods that ancient Egyptians thought of as closer to them and could have a personal connection with them?

25 December 2020 5,505 1 View

How to convert mV output into MPa?

I am working on acoustic characterization of microbubbles using two transducers arranged at 90 degrees. During calibration, I am receiving response in dBm or mV. How I can know the PNP of my...

14 December 2020 1,814 5 View

Is there anyone know about Children's faces dataset?

I am looking for a high-quality children's face database, which contains pictures of emotional expressions. Such as Anger, disgust, fear, happiness, sadness, surprise, contempt, and neutral.

21 October 2020 3,782 4 View

What are the definitions of the 6 basic emotions (Paul Ekman)?

Hi All I am researching Paul Ekman's Basic Theory. Does anyone have any books or journal articles between the years 2016-present discussing the definitions of these 6 emotions: happiness,...

21 October 2020 5,317 8 View

Is there any spiritual master today who can give inner experience of Light and sound?

I have been searching for a real Master for about 30 years and till now I have met a number of so called fake masters who misguide you in the divine name of Light and Sound, but no one could give...

04 May 2020 3,939 3 View

Why OCP is differnet when test the same BFC with fruits and animals?

I developed a BFC (GOD anode and BOD cathode), tested it with apple and mouse's blood, the OCP with apple was 0.62V, but the OCP with mouse's blood was only 0.5V, I thought the OCP should be same...

25 March 2020 2,866 1 View

Can the origin of the cognitive constructs that characterize us be produced by the coevolution of innate human cognitive capacities?

We know that the cognitive capacities that most characterize us are theoretically constructs, that is, non-observational concepts that do not have a concrete existence similar to the physical...

19 March 2020 2,427 3 View