How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

How to analyse data without control group in meta-analysis?

I am interested in knowing the treatment effect in my study. I have data (mean, SD) for pre and post treatment.

01 March 2020 3,572 2 View

The pH differential method - how do i calculate the concentration of anthocyanin in a dried extract?

27 February 2020 9,573 5 View

How to begin slicing sections after a period in cryoperservation?

I have preserved large sections of sheep brain tissue in an ethylene glycol solution for later use. I'm hoping to take the sections out of solution and then slice on a microtome or cyrostat. How...

29 January 2020 1,884 3 View

Please i need an expert help on how to convert amino acids results expressed mg/l to residues??

Please what formula should I use to convert amino acid compsition results expressed in mg/l to residues? I ran a HPLC amino acid profile of a protein sample, the results came in mg/l but I need to...

18 January 2020 5,765 1 View

Is anyone aware of a study that compares the discourse around intra-European mobility and integration for Eastern and Western Europeans?

I am looking for a study that compares the discourse around intra-European mobility and integration for Eastern and Western Europeans. Mobility of Western Europeans is not addressed in public...

20 August 2019 3,036 2 View

How does one calculate the % metal extraction, distribution ratio for each pH value, log D and pH1/2 from log D vs. pH plot from AAS results?

21 May 2019 8,115 3 View

In how many days maximum should I change the medium (L15) of breast cancer cells ?

01 February 2019 9,569 2 View

Does anyone know of some working antibodies against EEA1?

I am looking for a good antibody to label early endosome of mouse cortical neuron.

18 November 2018 3,875 2 View

Have you used Covidence for systematic reviews before?

I came across Covidence for systematic reviews, which is the tool of choice for Cochrane, and was wondering if actual users can share their experience with the tool. It looks like a pretty...

06 August 2018 8,846 11 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

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I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

Statistics: include groups of respondents made by one person for analysis?

Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...

25 February 2021 2,090 4 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How Can I clain a removal of a co-author?

I would like to make a correction in a co-author in your paper which is wrong. This name is also in other papers of Kenton Ko. Zey Ko is not a Co-author . The correct name is Zdenka...

24 February 2021 3,476 4 View