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- 40Are you with or against proposing a new learning theory?
Several years ago, I ran a debate with one of my professors at Education Department about human working memory. He insisted that technology has ruined human memory; many people rely more and more on their mobiles and laptops instead of their own memories. He also presented some research evidence showing that.
At that time, it was hard for me to accept this idea. I argued that human is a clever being. If tools or technologies would help us to save our memories, then is it logical to kick these technologies out or even reduce our usage of them because they harm our memories? However, my opinion was not supported by a solid theory. Cognitivism and Constructivism clearly state that our inner memories are important in a learning process.
This debate has carved in my mind and the case was not closed, at least for me. Recently, we have investigated some of new learning theories. Among a long list, we visited Actor-Network Theory, Community of Practice, and Connectivism. And to be honest, I found Connectivism wide enough to answer my question and to build upon. Knowledge is a network and learning is a process of finding patterns reside in this network. Inside or outside human skull, it does not matter.
This is not to end the discussion; actually, it is to open it. Are you with or against of proposing new learning theory? Our understanding of knowledge network, learning and Connectivism presented in this paper.
Yes Dr. Stefan
We are able to describe, not to define knowledge. Connectivism proposes to see knowledge structure as a network. This description has led them to think of learning/teaching process differently. Yes, we still need to define a knowledge but in case we are not able, then it is better to describe it and build our theory according to this description; and that what Connectivism did.
Dr. Guenter and Dr. Ines Bayoudh Saâdi,, thank you. I am also with proposing new theory. To me, I found Connectivism an extendable theory. What about you?Following
- 1What is more important: Good salary or job satisfaction?
With changing scenario and current requirements, money has become important aspect. And it is generally thought that without good salary survival is not possible. People look for the jobs with good salary and not where they get satisfaction.
According to your statement of question that want to be satisfied increase of salary but being an Economist definition that there no satisfaction while increasing the salaries or any else because of Human wants and desires are unlimited they cant be satisfied ....but if you reduce the prices of commodities and goods these satisfaction are partial if you increase someone's salary his/her desire will also be increased and vice-versa.
- NewSuggest quality research plan for Functional analysis of Some genes in Cotton under salt stress.
I am a new student in CAU, Beijing, China. With the previous work of my Lab was the ''Transcriptome analysis under salt-tolerant and salt-sensitive upland COTTON varieties subjected to salinity stress''
There were several candidate genes found under salt stress conditions. For the next research i need to make a complete functional analysis/characterization of the highly up-regulated genes under salt stress in Cotton.
Keeping in view the above situation. Kindly suggest me a plan to conduct a advanced and Quality research Involving NGS technologies, such as mRNA-seq and CRISPR/CAS.. Or any other. ??Following
- NewHow to improve the mobility of metal powder, especially the mixture of multiple-elment metal powers?
how to improve the mobility of metal powder, especially the mixture of multiple-elment metal powers?Following
- 4What is the maximal time for the kinetic assay of proteolytic enzymes from the pancreas?
I work on the kinetic properties of the proteases in the pig pancreas. I tried sevreal times making a kinetic assay to determine the Vmax of enzymes. I tried during 4 hours using BSA as substrate but the stabilized phase doesn't appear yet. Anyone have an advice or a idea of how long it could take? I read on papers that it might take 9 hours long...
Thanks for answering!
Thanks a lot to all for your answers! If I understand well, you mean that if I don't use enterokinase added to my reaction I cannot make a "normal" hydrolysis? I've asked this question with no proteases specification because I suppose that I've all the proteolytic enzymes in my extract, thats why.Following
- 7How can I formulate a stable Aceclofenac Gel?
How can I formulate a stable Aceclofenac Gel?
I would use carbomer 940 as a gelling agent with triethanolamine as a neutralizing agent. I would also add ethanol and glycerin. Good Luck!Following
- 4Is there any other way we can confirm the expression of our recombinant in the mammalian cells except western blotting?
I am working in heterogenous expression of foreign gene into mammalian cell (Cancer cell). It is not possible for me to confirm its expression by performing western blot analysis, because the antibody for this protein is not available and also we have expressed this protein without tag (So we dont have the option of using antibody against this protein.
We have checked the expression of the gene at mRNA level which partially confirms its expression. But the protein level confirmation is yet to be done. But how is the question?
- 5Does anyone know what's the range of protein concentration in plants (mg/ml)?
In few works I've found values between 1-4 mg/ml, but I'm not sure.
I really appreciate your help StefanoFollowing
- NewHow can I get authentic weekly rainfall data (numerical) for Pune city, India?
Need to correlate the dataFollowing
- NewIs this possible to do dsc for chitosan nanoparticles when it is blended with synthetic polymer?
i want to find glasstransition temp as well as Tm of nano chitosan film.weather dsc is possible instead of tgaFollowing
- 3Is there a way to change the stable isotope signature of a piece of wood?
Are there approaches to change or manipulate the stable isotope ratio of (large dead) wood (e.g. a cut tree trunk or tree branch) to allow tracing of xylophagus organism?
O18 cellulose extracted from wood is the most used to study climate variations (paleoclimate). Tree rings Such parameters as tree ring width and wood density-have long-been used as climate proxies By Many investigators. In the last Decades, Numerous studies-have Demonstrated the potential of carbon stable isotope ratios in tree rings as proxy indicators of past climatic condition.But Anyhow, I wonder if that signal will be strong (and long-lasting) enough to track trophic interactions.Following
- 7Anyone familiar with dealing with imbalance in the number of adopters and non-adopters in impact evaluation?
I am wondering if there are estimation strategies to deal with too few adopters and large number of non-adopters in impact evaluation.
Thanks Rolf for intelligent suggestion. I used PSM and Sample Treatment Effect Estimator (suggested by Abadie and Imbens). I have only 30 adopters and a large number of non-adopters. In PSM, I used psmatch2 and all the requirements are met. Still the estimated ATT seems under-powered. That is what worries me.Following
- 8WHat is the relation between the Hydrogen volume(or weight) and its tank weight for automobile applications ?
hello dear colleagues,
i want to know is there any relation between thé Hydrogen volume(or weight) and its tank weight for automobile applications ?
firstly i want to thank you very much for your crucial responses, but by using information founded in pdf document, we can not found 90 Kg, so i would correct my calculation data,
svp if you have any report about the latest technologies for different manufacturers ?
- 6How can all possible 22 digit binary numbers can be generated?
I am in a situation where all the possible 22 digit binary number are required. Also, the number must be sorted from smallest to largest.
Kindly, suggest me the fast and the efficient way to get this all the binary numbers.
I mean to get the list of all the binary strings between
00 0000 0000 0000 0000 0000
11 1111 1111 1111 1111 1111
Thanking in advance..
In vhdl you can use bit vector for 22 bitsFollowing
- 2Is there any information about changing in muscle electromyography activity in people with kyphotic posture?
Is there any information about changing in muscle electromyography activity in people with kyphotic posture? specially in people with postural kyphosis?
Dear Gregory Mark Karst
Thank you for your helpful comments. Actually I've been interested in question 2 but as you mentioned it is a much more difficult study and I was hopeful there is any literature that can help me. But I'd be happy if you tell me more about question 1.
Would you please guide me and tell me your idea about compare EMG outputs before and after a targeted exercise protocol in subjects with postural hyperkyphosis? I mean, we compare not only the alignment of subjects but also some EMG outputs in pretest and post test for finding the effectiveness of our protocol.
- 4Does anyone know of any norms for the digit span task that breaks performance down according to digit position?
We're looking for some norms for older individuals on the digit span task. Although there seem to be a lot of sources that report norms, very few report how accurate the participants were at the various different serial positions. We're especially interested in recency effects, so this information is crucial.
Anyone know of anything?
Thanks so much for your reply, Robert. Its the actual digit span task I'm after. That is, immediate serial recall of random digit sequences, auditory presentation. Will check those two articles, thank you.Following
- 1What is the better way to deal with ocular artifacts on ERPlab ?
I'm recently working with ERPlab and I'm looking for the best way to deal with ocular artifacts (I'm definitively not an expert...).
I have two EOG : one at the canthus the other below the same eye. I saw that there is several solutions through artifact detection : step-like, moving window, voltage threshold, etc...My first idea was to use step-like and/or moving window but I don't know if it's the best way ?
I also wonder if I should perform any channel operation with my EOG electrodes or not ?
Any idea/Advice ?
Apart of having enough sample of ocular-artifacted trials, in my opinion the easiest way is:
1) to compute linear derivation VEOG+ minus VEOG-, and HEOG+ minus HEOG-.
2) to compute ICA-based ocular correction (EEGLAB)
Alternatively, regression-based (Gatton, Coles, Donchin, 1983) procedure is also useful.
Good luck and best regards,
- 7When should we first refer a CLAP to a "CLEFT TEAM" for evaluation and management?
1. CLAP- Cleft Lip And Palate
2. Any specific age in days/months/years
Immediately upon diagnosis.Following
- 2How can I calculate changes in biomarkers?
- Follow-up minus baseline
- (Follow-up minus baseline)/ Baseline
If you just need to calculate the change in biomarkers, you can either subtract from baseline the follow-up, or vice versa. Just keep in mind that in the first case, the negative value will mean increase and positive - decrease; and vice versa for the second case. Then you may also create categories in the delta values, such as increase, small decrease, moderate decrease and big decrease, for further analyses.Following
- NewWhat are the reasons for invalid permutation test (for OPLS-DA model validity) and non significant CV ANOVA values?
My OPLS-DA models look good in separating two classes. The R2X, R2Y and Q2 values are also good. But when I perform permutation test for 100 measurements in order to check the validity of the model. It shows the model is not very well validated and the CV ANOVA table also shows non significant values.Following
- 13What is the role of the seas in human life?
Dear collegues. Thank you very much in advance.
With kind regards, Shafagat
Sea-sea world of bottomless,
Foamy waves rustle coastal ...
Dear @ Hazim Hashim Tahir,
Thank you very much for interesting opinion.
Best regards, ShafagatFollowing
- 2Any advice on CFOS and GABA immunofluorescence in medial prefrontal cortex?
I'd like to fluorescently stain for activation of GABAergic neurons in the mPFC- but have a few questions.
1) When looking at the mPFC, would it be best to use antibodies for FOS and GABA, or FOS and GAD67? What are the advantages or disadvantages to each?
2) Are there any particular antibodies you would recommend for this?
3) Any tips and tricks as far as staining goes? TBS or PBS? Dilutions?
Thank you in advance!
if that may help you, here is a protocol for double cFOS/GAD67 immunofluorescence on rat visual cortex: http://www.ncbi.nlm.nih.gov/pubmed/19194492
- NewCan anybody suggest phylogenetic analysis and identification of chlorella sp.?
The methods for identification(molecular ) of chlorella species and their phylogenetic analysis to confirm the identity, could be suggested by anyone?Following
- NewI need a free software to design and simulate freefrom lenses. Can anyone help me to find the right software?
1. freeform lenses for illumination
2. optical simulation
3. optical design
4. illumination designFollowing
- NewDoes "system error code 1073741819" in abaqus occur due to incorrect contact interactions?
I am trying to specify 'general contact' in abaqus/standard while modelling honeycomb structures to prevent the honeycombs from penetrating one another while deforming and abaqus crashes with the error message The executable standard.exe aborted with system error code 1073741819. Please check the .dat, .msg, and .sta files for error messages if the files exist. If there are no error messages and you cannot resolve the problem, please run the command "abaqus job=support information=support" to report and save your system information. Use the same command to run Abaqus that you used when the problem occurred. Please contact your local Abaqus support office and send them the input file, the file support.log which you just created, the executable name, and the error code.
Job 30_11_Trial3 aborted due to errors." I am not using any UEL or UMAT. Please find the image of model attached. Thanks a lot.Following
- NewHow to calculate factor for two sided tolerance limits for normal distribution?
Is there any software for calculating the factor for two sided tolerance limits for normal distribution for a given gamma and P.
For reference look at table IV.19 (page 573) in the Pharmaceutical Statistics Practical and Clinical Applications
In Excel the function is NORM.S.INV(.).
In R the function is qnorm(.).
In WolframAlpha (http://www.wolframalpha.com/) you can enter:
standard normal quantile of 0.025 probability
(you may exchange the probability value (here: 0.025) by any value for which you want to get the corresponding quantile.Following
- New(material: Bi2FeCrO6) Can anyone explain me the role of the magnetic properties in the ferroelectric photovoltaics?
I study the ferroelectric photovoltaic using the Bi2FeCrO6 material.
Bi2FeCrO6 is multiferroic material with ferroelectric and ferromagnetic properties.
Ferromagnetic properties is result from antiferromagnetic exchange coupling.
Due to the difference of the magnetic moment between Fe-Oxygen, Cr-Oxygen, Bi2FeCrO6 have the net magnetic moment.
Compared with BiFeO3, because of the ferromagnetic properties of Bi2FeCrO6, band gap of Bi2FeCrO6 is smaller than that of BiFeO3.
So, Photovoltaics using the Bi2FeCrO6 has better properties.
Can you explain why ferromagnetic properties make band gap smaller?Following
- NewHow can I install OpenGL on Ubuntu 14.04?
It always have package dependencies issuesFollowing
- 11How to measure fungal growth rate during growth on insoluble carbon/nitrogen sources?
What is/are the best method/s to measure fungal growth rate during growth on insoluble carbon or nitrogen sources, such as cellulose/straw, oil cakes etc. during submerged fermentation in shake flask or fermenter. I am interested in knowing the direct methods for growth/growth rate measurements.
Thank you all for your views and suggestionsFollowing