How reliable is assessment in online environments? What measures are taken at your institution to guard against cheating?

The issue of reliability in online education has to be seriously addressed to ensure the identity of exam-takers and that the answers they provide are the result of their own work.

21 May 2020 720 3 View

Do you think peer assessment is valuable to the assessment process, or learner progress?

Peer assessment helps students to be more objective about their own learning and it can assist learning, it is argued. Its worth to student evaluation would perhaps be questionable too.

23 April 2020 3,745 3 View

Under COVID-19 conditions, what is being done at your locality to help underprivileged school children make the most of distance online learning?

Adverse consequences to school closures due to the pandemic are known to everyone. Those underprivileged learners with limited parental assistance and/or fewer opportunities to access technology...

11 April 2020 3,582 17 View

How to find an equivalent ciruit (RLC) for a parch antenna?

Hi, I'm looking for a patch to simulate an antenna, ie, find its equivalent electrical circuit (RLC), so can anyone explain the process to me? Thank you

27 March 2020 2,749 4 View

How do you go about helping first-time researchers identify an interesting and practicable research focus?

Postgraduate students are often at loss searching for answers to the question of 'what is a suitable focus for my dissertation? Lately, I found that inexperienced staff members also go through...

11 December 2019 8,549 3 View

What journals can be recommended for novice authors in EFL teacher education research?

Novice authors wishing to publish in an international journal are often lost for choice when deciding where to send the first draft.

16 February 2019 9,970 3 View

Does anybody know a company specialized in platinum machining?

Good day! Does anybody know a company providing on-demand platinum machining service? Thank you in advance for your help! Kind regards, Reda

14 February 2019 9,275 3 View

How can i design a a primer for a specific gene which is not recorded before (not in ncbi )?

SPECIES(HAS NO DATA ON NCBI) BARCODING

28 December 2018 7,388 3 View

Should a good writer know how to manipulate phrases, clauses and sentences in order to create an effective variety of accurate syntactic structures?

In order to compete with native-speaker researchers, non-native writers of English, in particular, do need to master English syntax in a way that enables them to produce meaningful and accurate...

25 November 2018 9,856 5 View

Is there a correlation between speaking and writing skills?

What kind of correlation, if any, is there between speaking and writing? How true is it that some good speakers cannot write well, and vice versa?

17 October 2018 7,103 27 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

What is the system of units used in the thermal conductivity by Spitzer and Harm?

23 February 2021 9,253 1 View

Which thermal conductivity test recommended for Ag-Cu nanofluid?

I have prepared Ag-Cu alloy with polymer coating upon it.... how can I measure thermal conductivity of it ?

22 February 2021 5,915 3 View

What is the difference between AC conductivity and DC conductivity? Is AC conductivity = ionic and DC conductivity = electronic?

I am reading papers on batteries and although mostly people have reported ionic conductivity in Scm-1 but some have reported DC conductivity as well I and am confused as to what that is. Any help...

21 February 2021 9,207 6 View

Thermal and mechanical properties of concrete and steel after cooling?

How do the thermal conductivity, specific heat capacity, plastic strain, critical compressive displacement, and thermal expansion of both hot-rolled steel and concrete change after cooling based...

15 February 2021 1,385 5 View

How to calculate electrical conductivity and charge carriers density with DOS and Transmission?

Hi everyone, I'm trying to simulate some graphene nanoribbons to determine their electron mobility. I use DFTB+ for simulation software. With this software I can plot transmission in regards of...

03 February 2021 9,315 3 View

How to choose the electrolyte for (electrochemical impedance spectroscopy) EIS ?

Hi, I am working on a multi cationic material that has Li in it. I wish to measure the conductivity of my sample. We have a 3 electrode system with Ag/AgCl as a ref, platinum, and glassy carbon...

29 January 2021 405 2 View