How to interpret Nei's distance (d) and what does a negative d value imply?

I am doing a study on phylogeography. An average pairwise difference and Nei's distance matrix was generated in Arlequin. I am having a hard time interpreting the results. As far as I know, higher...

03 April 2016 6,487 2 View

Any recommendations on the most efficient way to create haplotype networks?

Hello. I am trying to use PopART and I am currently struggling with the software. Some are suggesting to create the network in Adobe Illustrator. Any other suggestions? Also, another important...

02 March 2016 3,488 1 View

In terms of evolution, which came first: the endospore forming or non-endospore forming bacteria?

These are of low mole % G + C. Considering the early conditions of the earth, maybe endospore-forming bacteria came first. However, I am not sure of this and I need more reasons. Kindly provide...

02 March 2016 5,568 4 View

Which is the most and least evolved in terms of physiological types: chemoautotrophs, chemoheterotrophs, photoautotrophs or photoheterotrophs?

Knowing the conditions of the early Earth, I could say that the least evolved are the chemoautotrophs. But which of the three is most evolved or most recent? Please correct me if I am...

02 March 2016 6,892 3 View

What is the difference between minimum spanning and median-joining haplotype network? When is one better than the other?

I've seen several networks used in articles. There are also a lot of options to choose from (like in Pop ART). I tried to read on these 2 types of networks, some saying that median-joining is...

02 March 2016 9,387 1 View

Do I need another software to view the results in Arlequin?

Hello everyone. I am working on 16s rRNA. I am having a problem in viewing the results. I have already installed R software so I guess it is not the problem. Attached is a preview after I clicked...

01 February 2016 1,360 3 View

Is MacClade a required program for you to use Arlequin for haplotype analysis?

31 December 2015 7,699 9 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

No title

Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...

01 March 2021 9,015 3 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

How to use bag of words for action prediction?

Hi everyone, I'm working on an action prediction (i.e., early recognition) using Bag-of-Words. I know how to use BOW, but regarding action prediction, there is a subtle problem. In the...

19 February 2021 1,442 4 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View