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Extended response

Extended response items are used in many content areas and answers may vary in length from a paragraph to several pages. Questions that require longer responses are often called essay questions. Extended response items have several advantages and the most important is their adaptability for measuring complex learning outcomes— particularly integration and application. These items also require that students write and therefore provide teachers a way to assess writing skills. A commonly cited advantage to these items is their ease in construction; however, carefully worded items that are related to learning outcomes and assess complex learning are hard to devise (Linn&Miller, 2005). Well-constructed items phrase the question so the task of the student is clear. Often this involves providing hints or planning notes. In the first example below the actual question is clear not only because of the wording but because of the format (i.e. it is placed in a box). In the second and third examples planning notes are provided:

Third grade mathematics:

The owner of a bookstore gave 14 books to the school. The principal will give an equal number of books to each of three classrooms and the remaining books to the school library. How many books could the principal give to each student and the school?

Show all your work on the space below and on the next page. Explain in words how you found the answer. Tell why you took the steps you did to solve the problem.

From Illinois Standards Achievement Test, 2006; ( http://www.isbe.state.il.us/assessment/isat.htm )

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Fifth grade science: the grass is always greener

Jose and Maria noticed three different types of soil, black soil, sand, and clay, were found in their neighborhood. They decided to investigate the question, “How does the type of soil (black soil, sand, and clay) under grass sod affect the height of grass?”

Plan an investigation that could answer their new question.

In your plan, be sure to include:

  • Prediction of the outcome of the investigation
  • Materials needed to do the investigation
  • Procedure that includes:
    • logical steps to do the investigation
    • one variable kept the same (controlled)
    • one variable changed (manipulated)
    • any variables being measure and recorded
    • how often measurements are taken and recorded

(From Washington State 2004 assessment of student learning )

http://www.k12.wa.us/assessment/WASL/default.aspx)

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Grades 9-11 english:

Writing prompt

Some people think that schools should teach students how to cook. Other people think that cooking is something that ought to be taught in the home. What do you think? Explain why you think as you do.

Planning notes

Choose One:

□ I think schools should teach students how to cook

□ I think cooking should l be taught in the home

I think cooking should be taught in ……………………………..because………

(school) or (the home)

(From Illinois Measure of Annual Growth in English http://www.isbe.state.il.us/assessment/image.htm )

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A major disadvantage of extended response items is the difficulty in reliable scoring. Not only do various teachers score the same response differently but also the same teacher may score the identical response differently on various occasions (Linn&Miller 2005). A variety of steps can be taken to improve the reliability and validity of scoring. First, teachers should begin by writing an outline of a model answer. This helps make it clear what students are expected to include. Second, a sample of the answers should be read. This assists in determining what the students can do and if there are any common misconceptions arising from the question. Third, teachers have to decide what to do about irrelevant information that is included (e.g. is it ignored or are students penalized) and how to evaluate mechanical errors such as grammar and spelling. Then, a point scoring or a scoring rubric should be used.

Questions & Answers

where we get a research paper on Nano chemistry....?
Maira Reply
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
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
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, Educational psychology. OpenStax CNX. May 11, 2011 Download for free at http://cnx.org/content/col11302/1.2
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