Recommendations for sample size in visual qualitative research (using children's drawings)?

Hi everyone! Asking for a little help, if I may. I am working on a research project, where I aim to analyse children's drawings about Covid-19. I am fairly new to using visual data in qualitative...

07 February 2021 9,530 3 View

Do you think rote learning can be use as a strategy in teaching Writing skills?

I'm working on my research problem, looking into the role of rote learning in developing the writing skills of students.

22 December 2020 5,658 5 View

I need help for an experiment I propose. Can somebody recommend articles describing beam-splitters for charged particles?

An experiment that I propose contains a beam-splitter for protons. There is plenty of articles in the literature, about atoms interferometry. But, except for electron interferometry, I don't see...

22 November 2020 7,138 3 View

Is snap freezing method good to extract DNA from tissue samples?

I have to extract DNA from a small testis biopsy and we tried to homogenise the tissue with a 5mm bead in lysis buffer. However, the tissue remained intact. Is it better to do it when frozen in...

19 July 2020 2,809 2 View

Quantitative instruments to measure stigma related with employed adults with disabilities?

I am working on my dissertation for my Masters Degree. I am in need of a tested and reliable quantitative instrument that can help look at stigma related with employed adults with...

09 July 2020 1,890 6 View

Where can I obtain immortalized human sebocyte cell line SZ95?

Dear collegues, I am trying to obtain an immortalized cell line of human sebocytes and a come across the reference for SZ95. Is there a commercial vendor for this cell line? Thanks in advance!

15 March 2020 169 3 View

How to analyse cell proliferation data?

Dear all, I used the Click-it EdU flow cytometry assay to measure cell proliferation of my samples. However I do not know how to analyse them and interpret. How can I use the data to compare cell...

27 February 2020 5,861 1 View

How could I completely delete it?

I have two profiles. The first one was deleted a couple of months ago, however it still apperars on google whereby I search for my name. Moreover I am not able to log in with the date of the...

15 December 2019 8,217 3 View

How to measure enhancer activity?

I've seen some approaches such as using luciferase assay and ChIP-seq data, but I'm not sure which one to use.

27 November 2019 8,510 3 View

What theoretical background do you use to justify that appeal is determined by a number of celebrity attributes?

Hello! I am a student from Russia. Now i am working on my thesis on factor that affect income of models in fashion industry. It seems as you research experience on celebrity question somehow...

10 November 2019 2,393 1 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

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View

Can anyone suggest me the best way for Regression analysis of Accidents?

Dear Altruist, I want to make a regression analysis based on accident data. But I am not finding the necessary information about what type of regression is more applicable for analysis accident...

23 February 2021 9,956 3 View