How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

How to design a reactive extraction process in Aspen Plus?

Hello, my task is it to create a specific extraction process. There is a mixture containing water, nitric acid and hydrochloric acid. It is known, that tributyl-phosphate is a solvent, which...

03 January 2021 4,163 3 View

Could speech recognition software be developed that DOESN'T convert sounds into waveforms? If not, what does it say about the semiotics of knowledge?

The standard approaches in speech recognition (and A.I. generally) rest on some very interesting assumptions that deserve to be carefully examined...

02 January 2021 9,363 11 View

Do children learn best when they're given the freedom to pursue their own interests?

21 October 2020 9,970 12 View

What sensors are applicable for plastic detection using Arduino?

Are there Arduino sensors that can be used to detect the presence of plastic materials? Our proposed study is an arduino based plastic detection from the water surface. We plan to use infrared...

16 October 2020 4,552 3 View

What is the ideal treatment of data for arduino-based research projects?

Our research is An Arduino-based solar-powered surface water plastic proximity detection and characterization system. We are currently writing our methodology for our research proposal but we are...

12 October 2020 905 3 View

C. S. Peirce held that, because mathematics makes no presuppositions, it is even more basic than phenomenology? Do you agree?

30 August 2020 3,686 13 View

Recovery rate of biodiversity when shifting from conventional to organic farming?

If it exists, where can I find data or some relevant references on the recovery rate (and time) of insect biodiversity (or just pollinators) when shifting from conventional to organic farming for...

11 August 2020 6,996 7 View

Wanulcas and banana - any experiences?

02 August 2020 1,358 3 View

What are the recommended diluents for the Pierce BCA protein assay kit?

I have performed a tissue homogenization/extraction protocol using methanol and chloroform as the solvents. The aliquot being using for BCA analysis contains both solvents. I understand that the...

23 June 2020 650 1 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View