Are there any candidates for an Einstein's bare cosmological constant?

It is commonly accepted that General Relativity has its own 'bare' cosmological constant that contributes together with the cosmological constant resulting from vacuum energy density for an...

23 February 2021 5,448 8 View

What is the best method (software) to count pixels in a digital image?

I'd like to carry on an accurate count of pixels in several images in order to compare them. There is a way by using Photoshop, but... does anyone know any other better method or software for...

05 November 2020 3,536 3 View

Combining multiple spring constant in umbrella sampling?

I have experienced insufficient sampling for high energy states in particular windows. The spring constant is not enough stiff to keep the value of the reaction coordinate. I know that you combine...

23 September 2020 7,800 2 View

What do you include in writing an abstract of a social science article?

Some have 3 elements- rationale/background, methodology, and results; while others have four or five that include objectives/questions, conclusion with implications.

19 August 2020 8,203 25 View

What is the simplest method of developing a theory? The GT approach allows theorists to develop a theory in an uncertain time?

It seems that the authors of some books present grounded theory (GT) as the only approach or method of developing a theory. By the name of the approach, it may confuse beginner researchers.

12 August 2020 5,734 12 View

What are the benefits of writing a systematic literature review?

SLR- Systematic Literature Review. In this, you don't need to go to the field to collect the data. You just need a desk. When is SLR necessary and is not necessary?

12 August 2020 6,009 18 View

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05 August 2020 9,805 2 View

COVID-19 contamination through the airborne transmission mode?

Does anybody know about reported evidences of COVID-19 contamination through the airborne transmission mode, besides the two papers about the Guangzhou restaurant? It is important that the...

31 May 2020 4,881 4 View

What is the path loss formula for a drone-to-ground communication?

How can I estimate the propagation loss between an unmanned aerial vehicle (UAV) or drone, and user equipment (UE) on the ground? is it safe to assume a line-of-sight scenario? how about the...

24 May 2020 3,517 5 View

How to start a bioinformatic analysis of bisulfite sequencing data?

I'm just learning how to perform an analysis of methylation patterns using bisulfite sequencing data, but I have some questions: 1. What database I can use for obtain bisulfite sequencing...

10 May 2020 1,116 1 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View

Mixed ANOVA or Multilevel modeling?

Hi everyone, I'm having some questions about choosing the right test for my experiment and I hope I can find help here! Here are the settings of the experiment: 1. participants are randomly...

14 February 2021 1,028 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

What non-parametric alternative can I use for a repeated-measures ANOVA for 2 groups and 2 timepoints?

Hello, I have a question regarding non-parametric alternatives for a RM-ANOVA. In my study I had two groups that were measured on two timepoints (pre-post measurements only). I was planning to...

11 February 2021 8,599 7 View