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Measure

April 6th, 2009

Angie

Measure Reviews

Cuisinart ICE-30BC Pure Indulgence 2-Quart Automatic Frozen Yogurt, Sorbet, and Ice Cream Maker

$73.95

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EatSmart Precision Pro – Multifunction Digital Kitchen Scale w/ Extra Large LCD and 11 Lb. Capacity

The EatSmart Precision Pro Digital Kitchen Scale is a versatile multifunction home appliance. Designed to be highly accurate and aesthetically pleasing, the Precision Pro is manufactured to the highest quality specifications. Weigh items up to 11 lbs quickly and accurately, with results displayed in four different units: grams / ounces / pounds / kilograms.
For cooks – Weigh food items directly on…

Cuisinart GR-4N 5-in-1 Griddler

$185.00

The Cuisinart(tm) Griddler makes “multifunctional” an understatement! Make perfect panini… plus! With four separate cooking options, it can handle everything from pancakes to sausages to grilled cheese to steaks, hamburgers and panini. It helps you prepare more servings of more kinds of food in less time, so you can cook for a crowd — no one has to wait!Simply change the cooking plates and adju…

Mozart: Violin Concertos (Complete)

$6.78

At the ripe old age of 19 Mozart wrote five violin concertos, and they represent his coming of age as a composer of orchestral music. From here on, it’s basically one masterpiece after another. Though not difficult works, technically speaking, they partake in full measure of Mozart’s uniquely sensual brand of melody. That means that successful performances must know how to spin out a singing music…

The Last Samurai [Original Motion Picture Soundtrack]

$5.34

Whether Tom Cruise’s portrayal of a 19th century American soldier cum samurai warrior will be remembered with the same pangs of pop-cultural bemusement that befell John Wayne playing Genghis Khan remains to be seen. But its musical soundtrack does mark an auspicious occasion: pop musician-turned-composer Hans Zimmer’s 100th score since beginning his film career in 1988. A pioneer of fusing both th…

Haydn: String Quartets, Op. 76 [Germany]

$6.74

All products are BRAND NEW and factory sealed. Fast shipping and 100% Satisfaction Guaranteed….

Extreme Measures

$1.99

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Comfort Measures for Childbirth w/Penny Simkin

$4.00

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The 50 Greatest Home Runs in Baseball History [VHS]

$4.95

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Accutire MS-4021B Standard Digital Tire Gauge

$9.95

Reads 5-150 PSI in 1/2-lb. units. Backlit display. Rubberized handle. Auto on/off. Lifetime lithium battery. Max. PSI: 150…

When It’s Impossible to Measure it

When you’re trying to measure a result and just can’t seem to find the perfect measure, you’re probably in need of a proxy!

What is a proxy measure?

Imagine for a moment that you’re the Director for a government agency responsible for building and maintaining the roads in your state or country. And the politicians are asking you to prove that what you’re doing is improving the quality of roads. How do you measure the quality of roads, exactly?

And now imagine that you’re the passionate creator of an education program designed to scare the rev-headedness out of teenage drivers so they kill and mame themselves and each other far less often. What would convince you the program was working?

Imagine once more, that you own a business whose values include being environmentally friendly. Are you really going to put the effort into understanding, counting and calculating all your employee’s carbon footprints?

Good proxy measures are stand-ins that can help you understand the results that matter to you, when you don’t yet have the perfect way to measure them. Usually they are measures of correlated results, measures that you’d expect to behave reasonably in sync with a good measure of the real thing.

Why would you use a proxy measure?

Measuring results like those mentioned above poses several challenges that are big enough to drain your commendable intentions to objectively know, and reduce you to a feeble lump that utters “it isn’t possible to measure this!”

One challenge is that the result is so broad it’s almost a motherhood statement and thus near impossible to make it tangible enough to measure. What is road quality anyway? Is it how long the infrastructure lasts? Is it how comfortable and kind the road surface is for cars and their drivers? Is it a combination of these things?

Another challenge is how to get the data in a way that costs less (hopefully far less) than the value having the data would bring. Imagine the cost of following all those teenagers that attended your program, to track their incidence of road accidents. It probably costs more money they you have just to run the program!

And a third challenge is measuring a result in a way that the right people understand what it means and how they can do something about it. If you told each employee what their carbon footprint was and that they must reduce it, would they really be inspired to action?

Good proxy measures side step these challenges.

How do you find good proxy measures?

An ideal measure of the quality of roads would encompass all the dimensions of road quality – surface roughness, corner camber, corner sharpness, road shoulder condition, traction (there are loads of them). It takes a very long time to construct a meaningful measure like this. In the meantime, a proxy measure might be something like the mean number of kilometres between suspension repairs for cars registered in the locality. A well designed survey of local car owners and/or suspensions shops could inexpensively estimate this.

To get an ideal measure for the impact that a driving accident awareness program has on teenagers’ road accidents would involve a study that followed participants in the program and compared their incident rate and severity with a control group of teenagers that didn’t participate in the program. Costly. Instead, a proxy measure might be to track the trend in road accidents involving drivers aged between 17 and 19 years. Data readily available from police records.

And even though measuring your carbon footprint is all the rage for the green crowd, it’s not nearly as practical and easily understandable as proxy measures like percentage of lunches that are take-away (think of all the packaging) or average number of days to fill the waste basket (if only full waste baskets are emptied).

Good proxy measures aren’t perfect, but their trends help you know something about the result you’re interested in, quickly and easily.

What are the risks of using proxy measures?

There is a price to pay for proxy measures. Often they only tell you part of the story, and often they are influenced by other forces that can bias or distort your understanding. Often you have little or no control over the data or calculation of the proxy measures.

But when you appreciate their limitations, they can still speak volumes to you about those hard-to-measure results.

Choose them consciously, from a starting point that involves really understanding the different angles or sides of the result you want to measure. Describe your result as tangibly as you can, even if it’s not a complete description. Leave your worries about data availability until after you’ve listed and considered several possible proxy measures. And open your mind as much as possible, by involving out-of-the-box thinkers and giving yourself a few short sessions (instead of one meeting) to consider options.

How do you measure your head for a Motocross helmet?

I am beginning motocross, and don’t know how to measure my head or what size to get. How do I measure my head and convert it to helmet sizes?

Wrap a tape measure around your head about one inch (2.5 cm) above your eyebrows.
When selecting a helmet check for a proper fit. To make sure your helmet is the right size, check that:
• The helmet inner lining fits snugly around your head.
• The top pad presses firmly on your head.
• The cheek pads contact your cheeks.
• There is no space around your brow under the inner lining.
Test this by trying to insert your fingers. If the helmet does not fit snugly, try on a smaller size.
5. Check your field of vision when trying on a helmet. Some helmets may obstruct or block your vision when looking left, right, up, or down.
Make sure you try on as many brands as you can, they all fit and feel different, you will know the one that feels right.
HJC have a good site and some info on how to select the right helmet. hjchelmets.com – go to helmet technology – proper fit. Good luck