How to find statistical difference between category counts in a multiple-response survey question?

Which statistical test is appropriate if we want to look for statistical differences between total counts for each category, if the subjects can select multiple categories in their response? The...

23 January 2021 6,926 3 View

What will be the appropriate data collection method and data analysis that I can employ with may experimental research on squash germination?

I am conducting an experimental research on the germination enhancement of squash affected by mechanical, chemical and thermal scarification methods..i have researched about time- to-event method...

27 December 2020 7,133 3 View

Is it possible to add hierarchical porous Cu/Zn-nanoparticle@carbon materials into a carbon paper based gas diffusion electrode (GDE) ?

26 November 2020 5,075 1 View

Tips for students on how to take care of a work-life balance during a covid19 pandemic ?

Students asked me for advice on how to deal with work-life balance during a lockdown. Some of them work and study from home. Do you have any helpful suggestions? I found an article that suggests...

29 October 2020 5,994 2 View

How to conduct and interpret meta regression using prevalence rates in Stata?

I have conducted a meta-analysis of prevalence rates using metaXL. There was a large amount of heterogeneity in the studies so I now need to look at (categorical) moderating variables. I have...

15 October 2020 4,630 4 View

Best tips for engaging students during remote lectures ?

The academic year has begun, and at least for now it will be coordinated remotely. What ways do you have to engage students' attention during remote lectures? I was thinking about asking...

04 October 2020 9,988 38 View

Are there available scales or questionnaires to measure change management?

Seeking to connect with authors who may want to share their scales or questionnaires to measure change management.

27 September 2020 374 6 View

Early amplification in both NTC and NEC in qPCR (using taqman probes)?

Hi! I've been trying to decipher what happened to some of our runs with early amplification in the NTC and NEC. This has happened to us twice now. For background, we are using a mastermix of PCR...

09 September 2020 4,559 5 View

Help with meta analysis using prevalence rates?

I have conducted a systematic review into the prevalence of victimisation in individuals with Autism. This provided a large number of relevant, high quality studies which I have synthesised into a...

14 May 2020 5,398 3 View

Why should a Journal that is Social Science Citation Indexed in the Web of Science not be listed on the Journal Citation Report (JCR)?

A Journal that is in the Web of Science (WoS) as social science citation indexd but it is not found on the list of Journal Citation Report (JCR). The website of the Journal shows also that it is...

04 May 2020 6,730 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

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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View