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There can be a few very vocal students who strongly oppose clickers, but our surveys have shown that when clickers are used well, this view is never shared by more than a small minority. If they are troublesome, their complaints can be reduced by surveying the class to show that they are a small minority, rather than representing the sentiment of all (as they usually assume). Also, although most students say they like using clickers, even those who do not often still recognize their value. In the words of one such student we interviewed,

Using clickers is like broccoli – I don’t like it, but it’s good for me.

Finally, the most effective way to eliminate student resistance ultimately is simply to use clickers to make the classroom an extremely stimulating place where students are highly engaged and learning a great deal.

10. won’t i lose control of the class if i let them talk so freely?

This is not as big a concern in practice as it is usually feared to be. There certainly is less rigid control of the class, but students also see the class as more supportive of their learning, and so they are more on your side from the beginning. It is helpful to lay out some ground rules clearly. Along with the reasons for having clicker questions and discussion, make it clear that discussion is supposed to be limited to the subject material (even though it will not always be), and that when you have signalled it is time for discussion to stop, they should do so, and any questions remaining at that time should be directed at you. As the term progresses and students get to know each other better and become more comfortable talking to each other, it usually does get more difficult to cut off discussion. Training students from the beginning to respond to some signal like a gong or lights flashing markedly reduces the difficulties and is normally adequate.

If just a few students continue to talk, ask them directly in front of the class in a non-confrontational way, if they have a question. If they are discussing non-class related material, that will quiet them then and in the future. If they are discussing the class material, which is more typical, they will ask a question which you can treat like a regular question, and still send the message clearly that they were disruptive. It is unlikely, but not impossible that you may have an exceptionally unruly class where even these steps are not sufficient to quiet them down. (It is not clear whether such classes are made worse or better with clickers.) A reasonable approach we have seen for that case is, if class is not quiet after the gong/signal, simply stand there looking at them and wait. If they continue to talk, make it clear that students will be responsible for material not covered because of the time you spent waiting for class to quiet down, and then when there are subsequent disruptions, just continue to wait them out and rely on student peer pressure to deal with the noisy students.

11. how do i respond if technical problems arise during class?

Reassure students that technical problems in no way impact any grading scheme you have implemented. Then pose the question anyway and have discussions as originally planned, and ask for the show-of-hands approach to answering. Results can be tallied (even if roughly) on paper, the blackboard, or an overhead projector.

12. should i post answers to clicker questions after class or not?

There are varying opinions about this and no data that indicates one way or another. However the work in reference 2 shows that when people have the answer explained to them after they have thought hard about how to answer the question, they learn a large amount from the explanation. On the basis of that research, our inclination is that it is probably better to post the answers.

13. do clickers work in upper level courses or are they only good for introductory?

We have several examples of instructors who began using clickers in large introductory courses and then tried them in smaller upper level and even graduate courses. They are very enthusiastic about the results, and students in upper level clicker courses strongly supported this use on our surveys.

In summary, we have found the effective use of clicker questions and discussion can have a transformative impact on both teachers and students, particularly in large classes. Students end up being far more actively engaged in the material and they learn more, and both students and instructors find the course much more rewarding as a result. If you are currently using clickers, we hope this guide will give you ideas on how to use them more effectively, and if you have not yet tried them, we hope this will provide you with the encouragement and assistance to use them effectively.

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
Ali
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
learn
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
learn
Google
da
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Bhagvanji
hey
Giriraj
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
revolt
da
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
ya I also want to know the raman spectra
Bhagvanji
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
Nasa has use it in the 60's, copper as water purification in the moon travel.
Alexandre
nanocopper obvius
Alexandre
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
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Source:  OpenStax, Clicker resource guide. OpenStax CNX. Apr 11, 2010 Download for free at http://cnx.org/content/col10724/1.2
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