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Although student responses will vary, our observations suggest the specific grading policies do not make very much difference to students as long as one avoids the extremes that result in undesirable outcomes listed above. As long as there are consistent implicit messages from the instructor that the questions matter, students seem to take the questions reasonably seriously.

Regardless of grading scheme, some clicker questions should NOT be graded for the “correct” response but are very useful in promoting discussion, student learning, and instructor and student feedback. Examples of such questions are those with more than one potentially correct response, and those intended to elicit student misconceptions or students’ prior knowledge.

We also highly recommend that whatever grading policy is used, a certain number (2-3) of “free” days are allowed. These are days for which the student will get credit even if there are no clicker responses recorded for them. This greatly reduces the time student and instructor need to spend dealing with complaints/excuses about clicker not working, being forgotten, missing class due to any number of catastrophic events beyond students control, etc. An alternative that is similar in concept is to set a certain percentage of questions students need to answer, such as 80 or 90%, and once above that threshold they receive “maximum clicker credit”. We have also seen that when clickers count for more than 15% of the grade, the amount of time spent dealing with student concerns about being sure they receive credit for clicker responses can get annoying. Finally we recommend that at the beginning of the course you should very clearly announce that use of another person’s clicker, or having someone use your clicker, is considered cheating with the same policies applying as would be the case for turning in illicit written work.

Common grading policy Pros Cons
Equal credit for correct and incorrect responses (e.g. 2 pts per response or 2 pts total per class) - Promotes balanced peer discussion, ideas put forth evenly from both partners
- Promotes a safe environment for students to answer what they honestly think rather than answering what they think the instructor wants.
- Less incentive to pay attention, think through a question, and commit to an answer.
More credit for correct responses, some credit for any response (e.g. 3 pts correct / 2pts incorrect) - More incentive to pay attention and actively work out an answer if the question is graded. - Students may feel pressured to get the right answer, less incentive to share own reasoning and answer honestly.
- Promotes unbalanced peer discussion, more knowledgeable students can dominate discussion.
- Promotes memorization of answers from previous terms.
- Not appropriate for all types of questions.
Mixed: Many participation-only questions, some graded questions. (e.g. 2 pts per class for participation + 1 pt on graded questions if correct) - Promotes process and reasoning of figuring out answer.
- Allows flexibility to grade only questions that are summative assessments.
- Having some graded questions keep students’ attention.
- More set-up or post-analysis to identify which are graded and which are participation only (is fairly easy with some clicker software, not with some others).

Questions & Answers

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
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
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
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
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
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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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