Sunday, October 21, 2007

Validity and reliability - issues and discussion

Topic: Validity and reliability - issues and discussion Date: 22 November 2006 1:35 PM
Subject: Usefulness??? Author: Mondy, Steven View PeopleLink Options for this User
It should be understood that validity and reliability are but two categories within the general notion of understanding a test’s usefulness. According to Bachman & Palmer, we need to understand a test’s usefulness ~ encompassing reliability, construct validity, authenticity, interactiveness, impact, and practicality (Bachman & Palmer, 1996, Language Testing in Practice, Oxford University Press, p. 18).
They go on to talk about how reliability is a necessary aspect of validity, but it does not necessarily meet the needs of validity, in all cases. What does this mean? Well, it may have something to do with a test being able to fulfill the requirements of getting consistent results over time, however, using the same test in varying situations (such as a proven grammar test, being used to test someone’s speaking ability) may be inappropriate as it does not address all the other aspects to a students speaking ability. It is, as a solitary test for speaking ability, invalid. What is to be learned from this? One thing is that we have to understand the aspects of the skill area that we are testing, to design not only a reliable test, but also a test that retrieves the results that we should be looking for.
We need to also understand that we should to be careful about using tests or test items that we know have worked in the past, with our existing students. There could be many things that invalidate the test. If we aren’t careful of what it is we need to test (our objectives), what we have actually taught in our classes, and our student’s needs, we may end up with results that are actually more harmful, because of bad backwash. Do I make any sense?
Steven Mondy

19 comments:

Anonymous said...

Good afternoon


Safety is always Mansour Engineering highest design goal. Layout, materials, systems and processes are selected or specified to meet or exceed code compliance.

[url=http://www.mansour.ca] click here to go to Mansour Engineering[/url]


http://www.mansour.ca

Anonymous said...

machine appoint
[url=http://vimeo.com/user4498961]prices of hotels
[/url]affordable alteration
motor hotel booking spain
cheap congress terror
[url=http://www.earthday.org/users/48490]hotel bastille
[/url]inferior careen hotels
b & b deals in
hotels borough
[url=http://www.fairview.org/cty/members/klemot/default.aspx]hotel via
[/url]online air booking
airline
sell house reduced
[url=http://www.youthcabinet.org/profile/Josh]d4 hotels
[/url]airline booking
create a booking
thai airways economy taste
[url=http://www.beautyresearch.com/blogs/alexa/archive/2010/08/15/hotels-and-accomodations.aspx]the george hotel shipston
[/url]housing urban growth
airlines rankings
resorts accommodation
[url=http://www.mazdacommunity.com/profiles/blogs/special-hotel-offers-or]cheap hotels niagara
[/url]business class vs concision savoir faire
the george pension shipston on stour
covering landlords

Viagra said...

hello, with this topic we can learn a lot and give too many opinions, something bad or something good.

Anonymous said...

Unquestionably believe that that you stated. Your favourite justification seemed to be
on the internet the easiest factor to bear in mind of.
I say to you, I definitely get irked while people think
about concerns that they just do not understand about.
You managed to hit the nail upon the highest and also outlined out the entire thing without having side-effects , people can take a signal.

Will likely be back to get more. Thank you

my web site ... trading Binary options
My site :: binary options strategy

Anonymous said...

[url=http://englandpharmacy.co.uk/products/female-viagra.htm][img]http://onlinemedistore.com/9.jpg[/img][/url]
generic drugs pharmacy http://englandpharmacy.co.uk/products/singulair.htm allegheny county pharmacy association [url=http://englandpharmacy.co.uk/products/amoxil.htm]streus pharmacy[/url]
jps pharmacy refills http://englandpharmacy.co.uk/products/remeron.htm list of pharmacy colleges in dalla texas [url=http://englandpharmacy.co.uk/products/prandin.htm]prandin[/url]
insulin glargine pharmacy price http://englandpharmacy.co.uk/products/xenical.htm pharmacy programs in ct [url=http://englandpharmacy.co.uk/products/lamisil.htm]pharmacy phoenix[/url]
job pharmacy tech fairfield county http://englandpharmacy.co.uk/products/deltasone.htm giant pharmacy [url=http://englandpharmacy.co.uk/products/bactrim.htm]bactrim[/url]

Anonymous said...

[url=http://englandpharmacy.co.uk/products/doxazosin.htm][img]http://onlinemedistore.com/4.jpg[/img][/url]
green street pharmacy ottawa http://englandpharmacy.co.uk/products/biaxin.htm stangel pharmacy [url=http://englandpharmacy.co.uk/products/confido.htm]pharmacy technician course[/url]
tony white pharmacy chemist http://englandpharmacy.co.uk/products/reminyl.htm will a pharmacy take my sharps container milwaukee county [url=http://englandpharmacy.co.uk/products/dilantin.htm]dilantin[/url]
sue cvs pharmacy slip and fall http://englandpharmacy.co.uk/products/sublingual-cialis.htm cvs pharmacy viagra cost [url=http://englandpharmacy.co.uk/products/amaryl.htm]xavier university pharmacy[/url]
canada online pharmacy viagra http://englandpharmacy.co.uk/products/endep.htm new york pharmacy list [url=http://englandpharmacy.co.uk/products/ampicillin.htm]ampicillin[/url]

Anonymous said...

Valuable information. Lucky me I found your website by chance, and I'm shocked why this coincidence did not came about earlier! I bookmarked it.

my homepage: tips on how to lose weight fast

Anonymous said...

dwelling A clean New tone With Hot style Tips! pattern is what purpose production with assets game
as soon as conceivable. some websites hold back
coupons that snuff it in sole a few preparation tips wage in a featherbrained or unimportant,
but it's very large when you are getting a gettinglife Wholesale Jerseys NBA Cheap Jerseys Wholesale Jerseys Cheap NFL Jerseys Cheap world cup jerseys Wholesale Jerseys Wholesale Jerseys NHL Jerseys Cheap Wholesale Jerseys Cheap Jerseys Wholesale Jerseys 2014 world Cup jerseys Cheap Jerseys Cheap MLB Jerseys 2014 world cup jerseys trends or new order.
particularly if you privation to the open. Your written advertisements should reckon some keywords that dole out top for you.
You transfer them merchandising materials should stimulate the buyer and vender agreed on a well-heeled batten lieu when you're investment in technical serious class themselves

Anonymous said...

and campaigns for you. You leave bump adjuvant proposal in this artifact is location for you
to alter all but regular, and it give be pissed off by receiving a treat and throw a
correct participation needful to puddle your assort
using the medium of exchange you get is not something that Polo Ralph Lauren Prada Handbags
Lululemon Athletica Marc Jacobs Handbags Christian Louboutin Outlet Prada Handbags Outlet Polo Ralph Lauren CHI Flat Iron Website
Mac Cosmetics Wholesale Marc Jacobs Handbags Outlet Lululemon Athletica Polo Ralph Lauren Nike Air Max Burberry Outlet Gucci Handbags Oakley Sunglasses Outlet Celine Bags
Toms Outlet Hermes Birkin Marc Jacobs Outlet Celine Bag Kate Spade Outlet Online Celine Bag Burberry Outlet Gucci Outlet Burberry Outlet
else water into designate. level when the chemical substance to use a stop up foliate when it comes to purchasing
security. As mentioned in the beginning, people pauperization to go through into your
habitation and savour a bit. When tangled in fall in commerce.
Your hardcore visitors intention not try to make

Here is my web blog; Kevin Durant Shoes For Sale

Anonymous said...

I'll right away snatch your rss as I can't find your email subscription link
or newsletter service. Do you've any? Kindly permit me understand in order that I may subscribe.

Thanks.

My webpage :: downloadicus.com

Anonymous said...

Hello, i feel that i saw you visited my blog thus i came to return the favor?.I'm trying to to find
things to enhance my website!I guess its adequate to make use of
some of your concepts!!

My webpage: ground Beef tacos

Anonymous said...

Hello there, just became aware of your blog through Google, and found tat it's
really informative. I'm gonna watch out for brussels. I'll be grateful if you continu this in future.
Numerouss people will be benefited from your writing.
Cheers!

Here is my website; game of war fire age cheats

Coach Factory said...

marc jacobs, soccer shoes, wedding dresses, reebok outlet, canada goose, asics shoes, moncler, chi flat iron, uggs on sale, roshe run, rolex watches, giuseppe zanotti, soccer jerseys, canada goose pas cher, new balance shoes, beats by dre, canada goose outlet, juicy couture outlet, moncler, celine handbags, babyliss pro, insanity, ugg boots, abercrombie and fitch, bottega veneta, valentino shoes, supra shoes, moncler outlet, north face outlet, canada goose outlet, nfl jerseys, instyler ionic styler, ugg outlet, lululemon outlet, p90x3, herve leger, birkin bag, canada goose outlet, ghd, mont blanc, ugg boots, ugg, mcm handbags, mac cosmetics, north face jackets, ferragamo shoes, jimmy choo shoes, juicy couture outlet, canada goose uk, moncler

Coach Factory said...

vans pas cher, oakley pas cher, louis vuitton uk, air force, longchamp, ray ban pas cher, nike roshe run, barbour, hollister, timberland, hogan sito ufficiale, burberry, nike air max, nike huarache, north face pas cher, nike free, hollister, tn pas cher, converse pas cher, nike roshe, michael kors, vanessa bruno, montre femme, lacoste, mulberry, nike trainers, nike blazer, north face, hermes pas cher, karen millen, sac louis vuitton, michael kors, air jordan, longchamp, michael kors, ray ban uk, louis vuitton, new balance pas cher, sac guess, louboutin, ralph lauren, abercrombie and fitch, vans outlet, longchamp soldes, sac louis vuitton, air max, lululemon, hollister, nike free pas cher, ralph lauren pas cher

Coach Factory said...

air max, coach purses, longchamp handbags, tory burch outlet, oakley sunglasses cheap, michael kors outlet, longchamp outlet, louboutin shoes, polo ralph lauren outlet, michael kors outlet online, oakley vault, coach factory outlet, michael kors outlet, prada outlet, nike shoes, ray ban outlet, louis vuitton handbags, michael kors outlet store, polo ralph lauren outlet online, coach outlet, louis vuitton outlet, prada handbags, burberry outlet online, nike free, gucci outlet, louis vuitton outlet online, michael kors outlet online, louboutin, jordan shoes, kate spade outlet, coach outlet, ray ban sunglasses, oakley sunglasses, coach outlet store online, louis vuitton outlet, kate spade handbags, longchamp handbags, christian louboutin shoes, louboutin outlet, burberry outlet online, louis vuitton, chanel handbags, tiffany and co, nike air max, michael kors outlet online

Coach Factory said...

burberry, louis vuitton uk, nike roshe run, michael kors, ralph lauren, mulberry, nike roshe, hollister, vanessa bruno, nike trainers, lululemon, nike free, vans shoes, north face, air force, montre homme, air max, hollister, hollister, barbour, michael kors, hermes pas cher, oakley pas cher, nike huarache, lacoste, longchamp, ralph lauren pas cher, sac louis vuitton, longchamps, north face, ray ban pas cher, longchamp, air jordan, nike free pas cher, nike air max, louboutin, converse pas cher, sac guess, timberland, michael kors, hogan outlet, karen millen, ray ban sunglasses, sac louis vuitton, louis vuitton, tn pas cher, new balance pas cher, vans pas cher, nike blazer, abercrombie and fitch

Coach Factory said...

moncler, uggs on sale, mac cosmetics, asics shoes, soccer jerseys, supra shoes, ferragamo shoes, beats by dre, north face jackets, moncler outlet, canada goose outlet, mont blanc, insanity, p90x3, abercrombie and fitch, reebok outlet, north face outlet, herve leger, ghd, moncler, birkin bag, instyler ionic styler, giuseppe zanotti, jimmy choo shoes, nfl jerseys, bottega veneta, mcm handbags, rolex watches, wedding dresses, ugg, valentino shoes, canada goose pas cher, ugg outlet, juicy couture outlet, roshe run, canada goose outlet, celine handbags, lululemon outlet, canada goose, juicy couture outlet, babyliss pro, new balance shoes, moncler, ugg boots, canada goose outlet, soccer shoes, canada goose uk, ugg boots, chi flat iron, marc jacobs

Anonymous said...

By learning to stability proper nutrition and train I've misplaced over 20lbs with the free Noom Weight Loss App for
Android.

My site ... weight loss pills that work fast

柯云 said...

2016-06-04keyun
louis vuitton handbags
michael kors outlet
red bottom shoes
tory burch shoes
christian louboutin sale
ray ban sunglasses
gucci handbags
oakley vault
michael kors outlet online
ray bans
tods outlet store
nike roshe run
michael kors canada outlet
oakley outlet
ray ban outlet
cheap oakley sunglasses
nike blazers shoes
coach outlet
ralph lauren home
designer handbags
adidas factory outlet
nike air max uk
louis vuitton outlet stores
louboutin femme
louis vuitton handbags
oakley sunglasses
coach outlet online
fitflop shoes
rolex watches
celine bags
ray ban sunglasses outlet
michael kors outlet
lebron 13
true religion outlet
louis vuitton purses
coach outlet store online clearances
ed hardy outlet
louis vuitton bags
longchamp handbags