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More Rebecca Last's questions See All

I'm just learning the ePrime 3.0 software and have created a test. How can I put this test on a tablet for subjects to use for data collection?

This is probably a really basic question, but I can't figure it out. I've loaded the test on a USB and transferred to the tablet, but am unable to get it to run. Any help would be wonderful. Thank...

23 December 2020 5,202 3 View

How do I calculate transition probabilities for a sequence of syllables in a set of bird songs using R?

I would like to automatically generate a Markov chain analysis for my set of bird songs that I have assigned syllable categories to using R. I have around 70 songs (each from an individual bird)...

13 October 2020 4,833 2 View

Someone knows of a DNA purification protocol from polysaccharides (for brown seaweed extracts)?

Hi, I have this "bad" DNA extract of a Fucus spp. and I want to purifying this because the PCR analysis that I need don't show results. I alredy try to extract twice the DNA both with the Genomic...

06 October 2020 1,500 1 View

Inconsistent protein expression for different maxipreps?

I have been having large variability in protein expression from transfections of mammalian cells with DNA from different maxipreps, even though the plasmid is the same. I have been using the...

02 October 2020 2,924 3 View

How to prepare a vial of Sigma Adjuvant System (Ribi) when needing multiple immunogens/at different immunisation points?

https://www.sigmaaldrich.com/content/dam/sigma-aldrich/docs/Sigma/Datasheet/5/s6322dat.pdf Has anyone prepared a vial of sigma adjuvant systems (Ribi's) when they either aren't using the whole...

02 September 2020 7,451 2 View

Who is investigating artificial intelligence / machine learning for leadership augmentation and resource distribution?

I've been searching various A.I. projects and have found very little on the role A.I. can play in leadership and government. If we imagine a leader who cares about their constituency and does not...

09 August 2020 1,213 2 View

How do I assess when to use "match between runs" for LFQ analysis on Maxquant?

Hi Proteomics enthusiasts, I am currently analyzing DNA pulldown data (treated vs non-treated) using Label-free quantification on Maxquant. I am trying to assess if a protein is present in one...

04 August 2020 1,090 6 View

Could you recommend a scale that measures group intelligence or the predisposition to work in a group?

For my thesis project, based on the work of Reeves and Nass reported in the book "The Media Equation", I would need a scale that goes to measure group intelligence or the predisposition to work in...

25 July 2020 1,294 3 View

Have anyone ever done a mutagenesis of DNA with a CAG promoter?

I need to do a site-directed mutagenesis of a DNA insert in a pCAX plasmid with a CAG promoter. I have used "QuickChange II XL Site-Directed Mutagenesis Kit" (Agilent Technologies) to make a...

21 July 2020 4,618 1 View

What is the minimum baseline data set for TAU-U analysis in single case research?

Hello, I'm looking at calculating the TAU-U effect size for my single case research data set. I'm struggling to find any literature on the minimum number of baseline data points to compute TAU-U,...

21 June 2020 445 1 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Which period is considered as study period in research?

Is that starting from proposal development to result writeup or just from data collection to result writeup and reporting (publishing)?

28 February 2021 910 2 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

Which one carries more value? A research paper in a Scopus Indexed conference proceedings or the same paper in a Journal without Scopus indexing?

I am looking for the suggestion among which one to pick from the above two categories for a research work.

27 February 2021 10,025 1 View

Which indexation is better Scopus or Web of Science?

Both are very repetitive indexing agencies.

26 February 2021 9,455 4 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Data Analysis K-S and S-W tests?

Hello, I have conducted analysis where the K-W and S-W have come out as p

25 February 2021 9,648 3 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Is there any limitation of number of variables when doing Panel Data ARDL model analysis in Stata 13.0 version?

I have one dependent variable (HDI) and 14 independent variables within the time period 1990 to 2016. when I run the command (xtpmg.............pmg) the answer is *matsize too small* then I...

23 February 2021 9,448 5 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View