Is there some sort of classification of simple algebras with color involution?

If $A$ is a G-graded algebra then one can define on it a color involution, i.e. a bijective linear map preserving the grading such that the image of a product of two homogeneous elements is...

24 September 2020 5,416 3 View

Electrochemistry in Organic chemistry, Book article review?

Hello, I'm starting a new project that involve the use of Electrochemistry in organic synthesis. For this reason i'm searching for a book to have an introduction on the topic as also some review...

30 November 2019 3,789 4 View

Stable plant miRNAa as qPCR normalizers for Taqman Advance protocol?

We are going to use custom TaqMan TM Advanced miRNA Assays for microRNA quantification experiments in plants. These assays are not compatible with the use of U6 snRNA as a reference internal...

02 November 2017 4,545 2 View

How do I measure / evaluate / report about the learning effect of repeated time measurements?

I conducted an experiment with 80 subjects, each of them performing 50 trials. I measured the time (in seconds) needed to accomplish each trial. Trial-after-trial, every subject has the tendency...

11 December 2016 9,145 6 View

Issue with protein overexpression?

Hi, I am using a lentiviral vector to over express a protein in AML cells. I have cloned the flag-gene into the EIFalfa-MCS-SV40 vector. When I use this vector to simply transfect 293 cells, I can...

06 October 2016 903 3 View

ChIP-qPCR: same volume or same DNA concentration?

21 September 2016 4,154 4 View

How many votes are needed in a study based on Paired Comparison?

I am running a study involving N=100 items that subjects will compare, side-by-side, and declare the preferred one. This process is known as Paired (or Pairwise)...

14 July 2016 8,120 3 View

Chip-seq. IgG and IPs have the same DNA concentration?

Hello, I'm doing a Chip-seq experiment and I've noticed that after DNA extraction I have the same amount of DNA in my negative control (IgG) and in the IPs? Do you think it's still worth it to...

27 February 2016 8,127 6 View

How to assess the sexual maturation in wild long-lived birds when ageing is not possible??

Cloacal or blood sampling? What kind of biomarker (testosterone, sperm, other hormones...) ?

24 March 2015 893 6 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 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

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

How to deal with different types of logarithmic data for meta-analysis?

Hello dear researchers, 1.I want to know how can I compute pooled effect size when we have three types of logarithmic Mean&SD Type 1. Log (x) with base 10 Type 2. Ln (x) Type 3. Just...

18 February 2021 8,214 3 View

What is the best way to calculate sample size for a multivariate regression model for adequate power?

GPower is only equipped to deal with calculations of bivariate regressions and needs SD s for both predictor samples. However, if one has a multiple regression with more than 2 outcome variables...

12 February 2021 6,911 3 View

What effect size should i use for a meta-analysis when study data violate normality assumptions?

I'm looking for advice regarding what effect size to use for meta-analysis. Our question is whether the number of individuals in a group affects the per-capita productivity of that group. Does...

10 February 2021 5,510 8 View

How can I calculate the effect size of a study when given only the regression results?

Hi there, I am quite new to doing meta-analysis and I am having a bit of difficulties calculating effect size of different studies to compare. Especially if the studies do not give enough results...

08 February 2021 3,961 3 View

Is it ok to run an ANOVA with a sample that is slightly smaller than what is recommended?

Greetings! G*Power indicates that 128 is the target sample size for a one-way ANOVA (effect size = .25; significance = .05; power = .8). For my study, I've got one categorical independent...

01 February 2021 8,191 9 View