Is checking heterogeneity necessary for pre-test?

Dear allI have 7 formative constructs with 63 items and every constucts has 9 indicators.I run my data for PLS.I need to taste heterogeneity for the pre-test.Is any specific test for that? I...

01 February 2015 7,266 4 View

What is the sampling method for my quantitative survey?

I listed events from which samples of a study were taken. I do not know the whole population. I participated in all of them during 6 months and I gave the questionnaire to all of the people who...

04 May 2014 4,192 13 View

Can anyone help with non probability sampling?

As I know and read in books, we cannot use the non probability method for inferential analysis. We can only use descriptive statistics for non-probability sampling. Do you know any thesis or...

04 May 2014 3,541 45 View

Direction of questions in questionnaire?

For testing reliability/statistic work on data, all the questions for every construct (for example attitude) should be in the same direction in terms of being agree or disagree? If the questions...

10 November 2013 5,760 5 View

primers with high Tm temperature

I designed a primer with high Tm temperature (74, 70) [I could not find a better primer. In addition, before PCR, I have to do RT-PCR to convert RNA to c DNA] 1. What kind of PCR do you suggest...

09 October 2011 3,283 5 View

Some problems related to design primer:

Back ground: I decide to transfer Gene related to Saccharum officinarum into the other plant and then express. Then I just need ORF .I should design the primer for the first step after extracting...

09 October 2011 3,350 12 View

Some problems related to design primer for the gene of intrest:

Back ground: I decide to transfer Gene related to Saccharum officinarum into the other plant and then express. Then I just need ORF .I should design the primer for the first step after extracting...

09 October 2011 5,633 3 View

The primers with high TM temprature

I designed a primer with high Tm temperature (74, 70) [I could not find a better primer. In addition, before PCR, I have to do RT-PCR to convert RNA to c DNA] 1. What kind of PCR do you suggest...

09 October 2011 7,745 1 View

Dear all, How manually editing multiple alignment

What factors are important for editing?

08 September 2011 2,837 3 View

Multiple alignment, Important Factors in alignment:

How manually editing multiple alignment? What factors are important for editing?

08 September 2011 1,582 4 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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