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

Has anyone succeeded in capturing uranium atoms in a fullerene structure?

Additional questions are: What are the encapsulating atoms? How difficult was the process and what rates were achieved? What factors most seriously affect the economics?

20 February 2021 3,134 5 View

How to phrase semi-structured interview questions using IPA without biasing superordinate themes?

Hello, I am preparing a semi-structured interview schedule for an interpretative phenomenological analysis study on marginalized individuals' career experiences as impacted by COVID-19. The aim...

19 February 2021 9,099 2 View

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19 January 2021 6,848 4 View

Why do my fibroblasts under hypoxia conditions proliferate slower than the same fibroblasts under normoxic conditions?

I am using healthy control lung fibroblasts in a 96 hour experiment with two drugs (nintedanib and Pirfenidone) and vehicle controls for both. I have both hypoxia (approx 1% O2) and normoxia...

12 January 2021 6,260 1 View

How much does radiative heat transfer effect thermal conductivity of materials and how to compare calculations to experirment?

I am calculating the phonon contribution to thermal conductivity for 4 perovskites (BaZrO3, BaSnO3, BaHfO3, and KTaO3) with relatively wide bandgap. When I compare my results for BaZrO3 to the...

27 December 2020 3,232 3 View

Proper method for assessing model invariance following Confirmatory Factor Analysis (CFA) and preceding 2x2 between-subject analysis?

I have produced a good-fitting, reliable baseline model according to CFA. The model contains several factors each loaded by several categorical (ordinal) items. I ultimately intend to analyze the...

15 December 2020 1,668 4 View

How to Reinstall Operating System for a TA Instruments 2910 DSC?

Hard drive crashed on an old windows 2000 that was used to control a TA Instruments 2910 DSC. Installed new hard drive and I am trying to figure out where I can find the software/operating system...

17 November 2020 2,467 3 View

Communities based websites do they serve a purpose?

I'm asking and posing this question as it forms a part of my final project year. I building an ASP.net community-based website coupled with an Oracle database and I'm looking for feedback,...

17 November 2020 7,852 1 View

How can I solve Error: "The coupling service failed to start" during simulation ANSYS 2Way FSI?

Hello, I am dealing with error during lounching 2 Way FSI in ANSYS Workbench. Setup of the Fluent is ok (stand alone I am receiving expected results) and FEM uses Transient Structural. Once I run...

11 November 2020 3,816 4 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

Why cannot world and community leaders be gentle? Where did ethics of care go?

The whole world is in a mess and paused. We all are tired of seeing hypermasculinized and destructive leaderships all around us. This world has seen enough of the aggressive patriarchal social...

23 February 2021 292 7 View

What/How to focus on with regard to research publication?

I'm an academician for past 10 years and love to continue with the same, a question pops-up at in mind from time to time, what to focus more on? Conference papers, Journal paper, book chapters,...

09 February 2021 1,009 5 View

Most of the plastic is shipped to Asia?

Dear Sir I came across your paper. First of all, congratulations on your amazing research article. Loved it! Also, I am very interested to know, why is the waste that is collected in the...

14 December 2020 6,342 4 View

Does anyone know of a good PAX7 antibody for IF - not from the DSHB?

Hi, Although I would dearly love to obtain a PAX7 Ab from DSHB, it is not on our university ordering system (and it takes too long to add it). So I wondered if anyone had good experience of a PAX7...

03 November 2020 7,003 2 View

Is there a solvent for blending PHB and Acid Ascorbic (via solution casting)?

Dear Researchers I want to add Ascorbic Acid (AA) to PHB in order to improve its biodegradability. AA is soluble in water but insoluble in those that are compatible with PHB (THF, Chloroform,...

07 October 2020 1,136 4 View

What are the industry standards for recording time to perform a task (to investigate productivity gains)?

I am running a study on 'productivity' improvements gained by using a different style of biodigester design. The main benefit appears to be the time loading and unloading, with output expected to...

12 September 2020 9,060 1 View

Is there a (dis-)advantage in dicotomizing Likert data?

Given there is some k-step (k=3 or 5 or 7 etc) Likert data with "absolutely no" on one side, "absolutely yes" on the other side, and "neutral" in the middle. A correct way to analyze such...

07 August 2020 1,107 5 View

I am looking for air pollutants data for SAARC countries. Any organization or website that you love to recommend?

I am doing econometric modeling for air pollution and some other variables. But don't have the latest data (2000-2020) of air pollutants such as carbon monoxide, PM2.5, PM10, NOx, SO2 and ammonia....

27 July 2020 6,624 4 View

Anyone looking for collaborators?

I would love to be involved in some research pertaining to Covid-19 as an independent researcher. I am fascinated with this virus so much so, that I am writing a children's fantasy book on it....

06 July 2020 7,005 4 View