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<problemset id="homework1"><item . . .></item></problemset>


The next tag is the item tag, which contains the question, response options, and so forth. Each item tag must contain anid attribute and a type attribute. Ideally, the id attribute should be unique; no two items you write should have the sameattribute. How you do this is up to you.

The type attribute determines the type of question you are asking. It must be one of the following:

  • single-response
  • multiple-response
  • ordered-response
  • text-response

Finally, it is important to note that an item must contain one question tag. It may also contain zero or more answer tags, andzero or one key tags. However, the existence or non-existence, as well as the contents of these last two tags, may be slightlydifferent depending on the type of question. Items may also contain one or more resource tags and hint tags, and one generalfeedback tag.


Single-response items are items for which there is one and only one correct answer to be selected from the providedanswers. Examples are multiple-choice (select only one) and Likert scale items.


Multiple-response items are items which require more than one selected response option for a correct answer. Examples aremultiple-choice items where the user must select two or more responses to each item.


Ordered-response items are multiple-response items for which the order of the selected response is important. An exampleis an item that asks the user to select the instructions for performing a procedure in their proper order.


Text-response items are items which require a textual or numeric response. Examples are short-answer questions andsupply-the-answer math questions.


An example for a single-response question:<item id="item1" type="single-response"><question>Are bananas a fruit or a vegetable?</question><resource uri="http://bananas.com/bananas.csv" /><answer id="fruit">. .</answer><answer id="vegetable">. .</answer><hint>Bananas grow on trees.</hint><feedback>Bananas are a fruit.</feedback><key answer="fruit" /></item>


The question tag contains the question you are asking of the user. It can be written in plain text, or using markup fromanother language (such as HTML, which allows you to include pictures and graphs as well as text). Be aware that thestylesheets for the Connexions project currently only allow plain text and CNXML (with and without MathML) within questiontags. If you use CNXML (with or without MathML) within a QML tag, the first tag must be a section tag, which may contain anyof the tags a CNXML section tag is allowed to contain.


<question>Are bananas a fruit or a vegetable?</question>


The resource tag allows you to provide a URI attribute (file location, web address, etc. ) for a particular item. For example, if you had the necessary software, you coulduse the resource tag to attach a reference to a dataset and generate question and answer values from that dataset. At thepresent time, Connexions has no software to do this, and the resource tag is ignored by our stylesheets.

Questions & Answers

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
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
for teaching engĺish at school how nano technology help us
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Mueller Reply
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Source:  OpenStax, Cnxml tutorial. OpenStax CNX. Jul 08, 2009 Download for free at http://cnx.org/content/col10121/1.10
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