Suitable statistics for measuring test-retest relibility of continuous data?

I have a translated questionnaire of physical activity levels which produce continuous data of Metabolic equivalents. I have learned that Cohens' Kappa is for categorical data and Cronbach Alpha...

03 April 2019 2,524 4 View

What if, post hoc test shows insignificant differences?

I ran ANOVA test to examine the mean differences among four groups and results were found significant at 0.05 Alpha level. Then, I ran Scheffe's post hoc test to see the between-group differences...

05 June 2018 8,775 3 View

How to report a negative t-value in your paper?

I have compared two groups on a certain variable and SPSS has produced a negative t-value. I have interpreted the results from p-value but the thing i want to know that whether the t-value be...

02 March 2018 621 6 View

What are the instruments available for measuring emotional intelligence in children?

I want to measure emotional intelligence in 11-14 year olds. Kindly suggest the reliable and valid instruments for this.

11 December 2017 1,360 4 View

Can I use mixed sampling technique i.e. both probability and non-probability techniques?

Will it be appropriate to use convenience sampling technique after stratifying the large population size into various strata?

10 November 2017 9,558 7 View

Which statistical test is appropriate if i have one predictor variable and multiple outcome variables?

I want to predict the changes in multiple variables with change in one independent variable in my analysis. Also suggest how to compute using SPSS.

09 October 2017 6,951 10 View

No title

I want this to validate physical activity questionnaire in local setting. Also suggest other cost friendly alternatives.

09 October 2017 6,027 4 View

Which correlation method (pearson or spearman's) is best suitable while examining the concurrent validity of a modified construct?

01 January 1970 4,327 2 View

International Physical Activity Questionnaire and Global Physical Activity Questionnaire: Which instrument provide better results?

I am working on a project to assess the physical activity levels of adult population. I would like to know which questionnaire is better to use: IPAQ or GPAQ?

01 January 1970 5,632 5 View

Is it necessary to take a bigger sample in a survey study?

01 January 1970 2,829 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 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

Is it possible to remove a preprint posted by a journal which is already rejected?

As we know many journals are posting preprints (DOI) in advance before the peer-review process. However, there is no guarantee that the preprints get published. The journal's reviewers undergo the...

01 March 2021 5,778 2 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View