Who are some leading experts on nonprofit organizations and tax filing?

Hi there! I'm looking for someone who can help me better understand nonprofits and how they file their taxes. It's for an ongoing research. Preferably someone who is nationally known on this topic...

05 June 2019 4,078 3 View

Does asking "Did you have any problems?" versus "What problems did you have?" get you more and better responses?

My context is survey question development and usability testing. We'll have participants answers some questions or do a task and then debrief them to find out what issues they had. Some colleagues...

07 August 2018 9,149 2 View

What are some good publishers for social science research methodology text books?

I'm looking for opinions based on experiences here. I know (generally) the range of publishers for social science and stats books, and have used intro methods and stats books from a range of...

11 December 2015 918 7 View

What are acceptable/common agreement rates or kappas for industry and occupation (I&O) codes?

There is a more detailed post on this project...

04 May 2015 9,732 2 View

What are the major (and minor) surveys that interview teens?

Greetings, I'm survey methodologist for the California Health Interview Survey (CHIS) and I'm working on a research project on obtaining parental permission for our teen interview. As part of that...

04 May 2015 9,704 7 View

Has anyone seen (or calculated themselves) performance benchmarks between Stata and SAS?

I have a good sense of how Stata and SAS differ in how they handle data files (with SAS reading only one observation into memory at a time and being able to handle multiple files at one, and Stata...

01 February 2015 3,874 8 View

How do everyday people think about their "public program participation" (e.g., foodstamps, Medicaid)?

In survey research we often do extensive cognitive pretesting and focus groups to understand how respondents think, in their everyday lives, about the complex and formal ideas and topics we want...

01 February 2015 2,365 8 View

Within-household interviews: Better to ask for more upfront or later?

For my survey and decision science friends...Do you think it's better to ask for multiple interviews in the household upfront (e.g., after the screener) or to wait until later (e.g., after the...

31 December 2014 4,447 4 View

What are the proper techniques for analyzing reliability of categorical variables with a large number of categories?

31 December 2014 8,112 9 View

What are your favorite contemporary papers on multilevel binary and multinomial logistic regression with survey weighted data?

31 December 2014 9,811 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

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

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View