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The initiative used constructivist principles in a number of ways. For example, it challenged learners to make decisions about what their particular manual should “teach”. The decision-making required learners constantly to monitor their own knowledge and learning—engage in metacognition—in order to insure that the content was complete, accurate, and important to learn. It also grouped students into teams, so that they could, to some extent, teach each other whatever they needed to learn, including helping each other to sense whether they actually were learning from their research.

Questions

Obviously these two studies are about different educational problems or issues. What if the learning theories underlying them were switched? Could a stuttering program be built around constructivist principles of learning, and a health education program be built around behaviorist principles? What would each program look like?

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Be a skeptic for a moment. What do you suspect might be the hardest part of implementing behavioral conditioning for stuttering described by Onslow? And what might be hardest part of implementing the constructivist program about health education?

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References

Onslow, M., Menzies, R.,&Packman, A. (2001). An operant intervention for early stuttering. Behavior modification 25 (1), 116-139.

Goldman, J. (2006). Web-based designed activities for young people in health education: A constructivist approach. Health Education Journal 65 (1), 14-27.

Student development: schools and the obesity epidemic

Childhood obesity leads not just to teasing by peers, but eventually also to a variety of serious medical problems, ranging from back pain to heart disease and diabetes. That is why medical experts are quite concerned that obesity in children has increased markedly since the 1950s, to the point of being considered a genuine health “epidemic” (Ogden, et al., 2002). Recent projections suggest that fully one-third of all children born in 2000 will eventually develop diabetes as a side-effect of being overweight (Narayan, et al., 2003).

Why have these changes happened? One factor is probably the vast increase in individuals’ consumption of sugar especially “disguised” forms like corn syrup (Bawa, 2005). Another is a more sedentary, “stay-inside” lifestyle than in the past. The latter has happened, among other reasons, because of population shifts: cities and towns have increased in population and size, while rural areas have decreased in population, causing more people to rely on car travel more than ever before. The changes have also led residents in many areas of many cities to consider their neighborhoods less safe than in the past, causing them to respond with inactivity: either they stay inside more or they rely even more on cars to get around.

Even schools have contributed to the trend toward obesity. “Junk food” drinks and snacks are widely available in many schools through commercial vending machines—each one giving a student an extra 150 and 300 unneeded calories per day. More insidiously, perhaps, is the effect of the trend toward high-stakes testing: because of them, many schools tend to strengthen courses and special programs that prepare students in the “basic” subjects that they know will be tested, and to trim programs (like physical education, but also the arts) that will not be tested.

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
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Sherica
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Sherica
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Tamia
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Uday
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+_
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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
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Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
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
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
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, Educational psychology. OpenStax CNX. May 11, 2011 Download for free at http://cnx.org/content/col11302/1.2
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