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

How to minimise the risk of being abused the profile of potential participants tagged in a social media post?

Dear colleagues, I got this one in one project I did ethics review. It's great to hear about your thoughts/experiences. "Doing an open recruitment online (i.e., via Facebook) requires public...

22 February 2021 3,322 3 View

Could anyone recommend papers that focus on mixed-ethnicity Black-Caribbean/Caucasian adopted children?

Dear All, I have been looking for papers, or books, that focus on the issues surrounding adoption of mixed Black-Caribbean/Caucasian children. I am interested in literature that looks at any...

22 February 2021 8,466 2 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

Rousseau Psychological Contract instrument?

Hi, I would appreciated if someone who's studying the Psychological contrat could help me about this questionnaire : My question is the following : Is someone can help me identify how wich...

09 February 2021 9,162 3 View

Can you realize "top-down" and "bottom-up" ARE THE SAME THINGS at important junctures IN ONTOGENY (child development)?

Can you realize "top-down" and "bottom-up" ARE [ or certainly can, if not MUST, be ] THE SAME THINGS at important junctures IN ONTOGENY (child development)? This Question is NOT addressing YOU...

09 February 2021 5,289 1 View

Can anyone help for the content validity of my psychological test?

Good day! I am in the midst of completing my test development requirement under the Psychological Assessment subject. I was wondering if anyone can help me reach experts or psychology graduates...

14 January 2021 1,536 4 View

Can anybody here suggest theories of prudence?

13 January 2021 4,962 2 View

Do you think that genetic inheritance or the environment is more influential in the development of substance abuse?

Do you think that genetic inheritance or the environment is more influential in the development of substance abuse ?

04 January 2021 1,587 3 View

Special Issue: New HRM Models for Supporting Managing Emotional Labour During Emergencies?

IJHRM has called for a special issue on the subjected-topic. If anyone is interested in working on this special issue, please contact me. Scholars should have a grip on comparative analysis and...

09 December 2020 8,784 4 View

Books on doing a PhD?

Hi colleagues, I wondered if any of you could recommend a book for a student starting out on her PhD. Her subject area is: health, education, training and child...

07 December 2020 549 4 View