Can I use anova to compare 4 groups which are separated according to their writing performance? or should I use separate t-tests?

groups are ordered in an interval, A,B,C,D. how can I see if the difference between them is significant with one time running the process in SPSS? ANOVA?

26 November 2020 414 3 View

What is the best program to create graphical abstract and scientific figures in Agriculture science ?

Seeking advice for a software to create graphical abstract and scientific figures

06 August 2020 7,074 15 View

What is the best Multi-core/Multi-processor simulator in terms of easy to use and accuracy?

Accuracy: run time is close to real run time.

14 July 2020 1,059 3 View

A Reviewer of a Questionnaire (Impact study for a school)?

19 June 2020 7,445 3 View

How can I locate global "remote" tenders?

Hi there, I hope you're doing well. I assume that there are some tenders that require that the applicants be from the same country of the tender. Is there a way to filter results where only...

28 December 2019 4,527 5 View

Can I Perform Panel Data Analysis for Two Years Only (SPSS Mixed Models)?

Hello, I have a question about Mixed Models in SPSS. I have a dataset with many different information about more than two thousand firms in Turkey for two years; 2008 and 2013. I'm testing the...

13 March 2019 9,376 2 View

Is there any Poiseuille velocity formulation for fluid flow through the curved duct with rectangular cross section?

Dear all Is there any analytical formulation based on Poiseuille equations for velocity distribution of fluid flow through the curved duct with rectangular cross section? Best Regards

18 January 2019 9,787 5 View

How to include firm fixed effects in linear regression on SPSS?

Hello, I have a question about something in SPSS that I need to answer for my master's thesis. I have a full dataset with many different information about more than one thousand firms in Turkey....

23 September 2018 3,203 2 View

What may be the reason for low phage titre per round(s) of bio-panning a phage display library against a target antigen (Recombination protein )?

Plant immunology, Phage display technology

16 September 2018 8,163 3 View

What is the best tool that used to build a distance matrix (sequence comparison) between protein sequences?

I want to find the similarity between a group of protein sequences.

03 April 2018 2,630 2 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 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

How can solve/disperse silicon nanoparticles in water?

I want to add silicon nanoparticles to my hydrogel, but when I sonicated these particles with water to disperse them in water, they agglomerated on the water's surface. How can I disperse them in...

26 January 2021 213 4 View

How the wave dispersion occurs in the medium?

We know that when waves (light or seismic waves) penetrate inhomogeneous media or media with structures, they will diverge. This is because waves are composed of components with different...

11 January 2021 7,448 3 View

Hi friends. Is it possible powder graphene disperse in organic solvent?

Dear friend I would like to ask you a favor. how can I reach to a solution of Graphene based in an organic solvent. and if it was possible, what the appropriate solvent would be? My current...

11 January 2021 9,163 3 View

How linear energy dispersion relation can be understood as the result of massless particle in Dirac semimetal's energy diagram?

Inverse of electron's effective mass can be obtained as second derivative of energy for k. On the other hand, linear dispersion gives value of zero for second derivative since second derivative...

07 January 2021 5,623 2 View

R package for multivariate dispersion as a measure of beta diversity?

Hello, everyone: I've been reading some old and new papers on how to compute beta diversity using incidence or abundance data from several assemblages/communities. For my data, I am interested...

03 January 2021 9,293 1 View

Hi, Anyone knows how to get the sagebrush tracer experiment data for model validation?

Dataset for dispersion hysplit model

30 December 2020 4,984 1 View

How does the nanoparticle concentration affect the Hydrodynamic size in Millique water ?

I am doing a time based study and at the initial hours , i am getting considerable high values of hydrodynamic size. The concentration is very low in the range of 3-10ppm and the nanoparticles are...

30 December 2020 5,971 3 View

What does this PZC data mean?

I measured different kinds of catalysts which were dispersed in DI water.I firstly added certain amount of HCl and then used NaOH to titrate and measure the pH value. What does this result mean?

27 December 2020 5,728 4 View