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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

how do they get the third part x = (32)5/4
kinnecy Reply
can someone help me with some logarithmic and exponential equations.
Jeffrey Reply
sure. what is your question?
ninjadapaul
20/(×-6^2)
Salomon
okay, so you have 6 raised to the power of 2. what is that part of your answer
ninjadapaul
I don't understand what the A with approx sign and the boxed x mean
ninjadapaul
it think it's written 20/(X-6)^2 so it's 20 divided by X-6 squared
Salomon
I'm not sure why it wrote it the other way
Salomon
I got X =-6
Salomon
ok. so take the square root of both sides, now you have plus or minus the square root of 20= x-6
ninjadapaul
oops. ignore that.
ninjadapaul
so you not have an equal sign anywhere in the original equation?
ninjadapaul
Commplementary angles
Idrissa Reply
hello
Sherica
im all ears I need to learn
Sherica
right! what he said ⤴⤴⤴
Tamia
what is a good calculator for all algebra; would a Casio fx 260 work with all algebra equations? please name the cheapest, thanks.
Kevin Reply
a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
or infinite solutions?
Kim
The answer is neither. The function, 2 = 0 cannot exist. Hence, the function is undefined.
Al
y=10×
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
how do you translate this in Algebraic Expressions
linda Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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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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