What is Gravity on Clickbank?

If you are looking for a product to promote on Clickbank then you have probably noticed a statistic that they use called gravity. This is one of the most misunderstood statistics on Clickbank, but once you know the definition of gravity it is actually quite simple. What is Gravity? Well, gravity is simply a weighted number of affiliates who have sold at least one product over the last 8 weeks, with the more recent sales counting for more than those made 8 weeks ago.

Gravity does not tell you how much money the product has made or what percentage it converts at. Gravity only counts the first sale each affiliate makes, so it isn’t necessarily a solid indication on the overall profitability of promoting the product. However, if it has a super high gravity it’s probably because people are having good success with it.

Pros and Cons of Promoting A High Gravity Product

If many people are promoting a product, and making sales, then there is a good chance that it coverts well. Most people aren’t going to continue to promote products that don’t make them very much money. One thing you need to watch out for is a product having high gravity only because it just launched. Many marketers get affiliates to push their product heavily during the launch, so that will give the product a very high gravity to start. Even though you know a high gravity product is probably making its affiliates a lot of money, there is a downside to promoting a high gravity product. If a product has a lot off affiliates promoting it, that means you are going to be up against a lot of competition for traffic. It might be very difficult to break into a niche that has a product with a super high gravity.

Pros and Cons of Promoting A Low Gravity Product

Sometimes it can pay off to promote a low gravity product. If a product has a gravity of 10-20 than it means they’ve made a decent amount of sales in the last few weeks. Many people who have products on Clickbank aren’t the best marketers, and even though they have a great product in a great niche they do a poor job of getting people to promote it for them. If you can find a product like this it is possible to dominate that niche and sell the heck out of a good, but unknown product. If you do really well with a product like this you should consider using your superior marketing skills to make your own product, and really make a ton of money from that niche.

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categories Statistic Articles | admin, 30 Sep 10 | comments Comments Off

Dr Stat’s Waiver Prescription – Week 12

The Doctor is in! Here is my weekly showcase of players who are most likely available in your league and could be valuable to your team.

HITTERS

Chase Headley: 3B, San Diego Padres

Headley got called up to the majors on Tuesday and went 3-for-8 in his first two games. On Wednesday, he hit his first career home run in Yankee Stadium off of Yankees reliever Kyle Farnsworth (less). In case Headley is a new name to you, he’s a highly touted prospect who hit .330 in Double-A last season, winning Texas League Player of the Year honors. Before the call-up, he was hitting .305 with 14 HRs and 40 RBIs in AAA.

Fantasy Diagnosis: If you play in a keeper league, I guarantee he’s owned. In regular leagues, there is a chance he’s still available. Just don’t expect him to go all Ryan Braun on the league. He’s played some left field as well, which increases his value if he gains position eligibility there.

Jason Kubel: OF/DH, Minnesota Twins

He has as many home runs as Justin Morneau (10), including 4 this month. His June average (.326) and OBP (.423) are helped by the fact he has 8 walks, after having 10 in April and May combined.

Fantasy Diagnosis: Yes, he’s hitting just .254. However, he’s got some power and drives in runs (37), which makes him a viable option as a fourth outfielder.

Mike Aviles: SS, Kansas City Royals

While most of you have heard of Headley, many of you probably haven’t heard of Aviles. Since getting called up from AAA on May 29, Aviles is 15-for-49 (.306) with 3 HR, 6 RBI, 12 R and 1 SB. He has 4 multi-hit games and a .333 OBP. He’s pounding lefties (.455), but is hitting .263 against righties.

Fantasy Diagnosis: He just turned 26, was drafted in 2003 and spent the previous two seasons in AAA-Omaha. The Royals were patient with him, as they had Tony Pena Jr. playing SS, and now he’s taking full advantage of his first chance at playing in the majors on a daily basis. He’s listed at 5′9″, 185 pounds, which makes it hard to take him seriously as a fantasy threat. I see him more as a David Eckstein-type player, whose real life value exceeds his fantasy value. His hot start warrants a spot on your watch list though.

Mark Ellis: 2B, Oakland Athletics

Please do not confuse him with New Zealand’s Marc Ellis, the rugby game streaker who won M2 Magazine’s Man of the Year. At .261, Mark’s average is the highest it’s been all any given day all season. His June numbers (.326/4/12) are already better than any whole month he’s had this year. The RBIs are a little skewed, as he had 2 games with 4 of them this month, but the average is not. He’s had 7 multi-hit games this month and has scored 28 runs this season.

Fantasy Diagnosis: It’s easy to forget that Ellis hit .276 with 19 HRs and 76 RBIs last year, when he had the best season of his now 5+ year career. After the top tier of second basemen, those are pretty solid numbers. Expect similar production again this year.

PITCHERS

Mike Gonzalez: RP, Atlanta Braves

Rafael Soriano is on track to make more visits to the DL this year than Lindsey Lohan does to rehab. Manny A-cost-a-win-again has imploded (0-3, 2 blown saves, 12.00 ERA this month). John Smoltz is no longer in the picture. Bobby Cox turned to former Pirates closer Gonzalez, who returned from his own DL stint and got the save on Wednesday, making him the seventh Braves reliever to get a save this season.

Fantasy Diagnosis: Gonzalez had 24 saves in 2006 and is the only legitimate option to close games for Atlanta right now. If he hasn’t been picked up yet and you need saves, go grab him right now.

Mark Buehrle: SP, Chicago White Sox

The man with the biggest pick-up truck I’ve ever seen is finally back to earning the paycheck that bought that six-ton monster. In four June starts, he’s pitched 30 innings, allowed 7 runs, walked 6 and struck out 18. All four have been quality starts which have lowered his ERA to 4.28 and his WHIP to 1.36.

Fantasy Diagnosis: His June ERA (.210) and WHIP (1.03) deserve your attention. He’s back to being worthy of a spot on fantasy rosters. His 2.04 K/BB isn’t great, but as long as he produces quality starts, he’ll be in line for wins. However, if he starts to unravel again, don’t be patient with him.

Heath Bell: RP, San Diego Padres

True story: A friend of mine used to work at a concession stand in one of the minor league parks that Bell played in. They called Bell “Snacks”, as he was always eating candy or something and would come into the stand next to the bullpen and help work the grill when he got bored during the game (yes, I’m serious). A bit of a late bloomer (he’s 30 years old), Bell’s career has really taken off over the past two seasons. In 93.2 innings last season, he had a 2.02 ERA and struck out 102. This season, he’s 4-3 with a 2.02 ERA and 33 Ks.

Fantasy Diagnosis: He’s blown 3 saves, but has only allowed one run in his last 14 appearances. There aren’t many middle relievers who prove valuable in fantasy, but Bell is one who does. He’s picked up wins in relief, strikes out batters and is next in line to close if something were to happen to Trevor Hoffman.

Aaron Laffey: SP, Cleveland Indians

His 4-4 record doesn’t catch your eye, but maybe this will. Eight of his ten starts have been quality starts. He has a 2.98 ERA in 63.1 innings. In half his starts, he’s allowed one or fewer runs.

Fantasy Diagnosis: His numbers say it all. He doesn’t strike out many (29), but doesn’t walk many (16). He’s a lot like teammate Paul Byrd, only much better looking.

KEEP AN EYE ON

Andrew Miller: SP, Florida Marlins

The Marlins wanted him from Detroit in the deal for Cabrera and D(railed)-Train for a reason. He’s got big league stuff. He’s shown flashes of potential all season, but has been horribly inconsistent. Now, in his last two starts, he’s given up 2 combined runs and has a 3.00 K/BB. He’s not worth picking up, yet.

Jeff Baker: 2B/1B, Colorado Rockies

He’s 12-30 (.400) in June with his first 3 HRs of the season. His average, OBP and SLG have all risen dramatically this month. However, Clint Barmes is due back next week, putting Baker, who’s been playing DH during interleague play, back to playing part-time.

LONG SHOT OF THE WEEK

Elijah Dukes: OF, Washington Nationals

Perhaps no baseball player made as much news off-the-field as Dukes did last season. Sorry, but no fantasy points for getting into fights with teammates, arguments with coaches, threatening to kill your wife and throwing a bottle of Gatorade at a 17-year old girl you hooked up with. Now if Fantasy Thuggery existed, he and PacMan Jones would have been co-MVP’s last season. Anyway, Dukes has been a model citizen this season and after a .167 May, he’s hitting .311 in June, along with his first HR of the season and 9 RBIs. He hit 10 HRs in 52 games last year, so we know he has power. His hot month is good to see, as he’s a talented young player.

Kimbo Nyce is RootZoo.com’s resident fantasy baseball expert, and updates readers throughout the day with breaking fantasy baseball news and two weekly columns. Find more of his work at sports talk website RootZoo.com.

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categories Stat Articles | admin, 28 Sep 10 | comments Comments Off

Review The History of Statistics: The Measurement of Uncertainty before 1900 – Sale and Discount


The History of Statistics: The Measurement of Uncertainty before 1900 Reviewed

I love history of mathematics books like this one that have the guts to delve into the actual mathematics involved while retaining a narrative thread. I use it with my children to illustrate why mathematics is important. What problems were people trying to solve? How solutions were arrived at in steps over time rather than as deus ex machina. This is much more effective than presenting mathematics as most schools, out of context as a series of recipes. The book is divided into three main parts:

The Development of Mathematical Statistics in Astronomy and Geodesy before 1827

The Struggle to Extend a Calculus of Probabilities to the Social Sciences

A Breakthorugh in Studies of Heredity

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The History of Statistics: The Measurement of Uncertainty before 1900 Overview

This magnificent book is the first comprehensive history of statistics from its beginnings around 1700 to its emergence as a distinct and mature discipline around 1900.

Stephen M. Stigler shows how statistics arose from the interplay of mathematical concepts and the needs of several applied sciences including astronomy, geodesy, experimental psychology, genetics, and sociology. He addresses many intriguing questions: How did scientists learn to combine measurements made under different conditions? And how were they led to use probability theory to measure the accuracy of the result? Why were statistical methods used successfully in astronomy long before they began to play a significant role in the social sciences? How could the introduction of least squares predate the discovery of regression by more than eighty years? On what grounds can the major works of men such as Bernoulli, De Moivre, Bayes, Quetelet, and Lexis be considered partial failures, while those of Laplace, Galton, Edgeworth, Pearson, and Yule are counted as successes? How did Galton’s probability machine (the quincunx) provide him with the key to the major advance of the last half of the nineteenth century?

Stigler’s emphasis is upon how, when, and where the methods of probability theory were developed for measuring uncertainty in experimental and observational science, for reducing uncertainty, and as a conceptual framework for quantative studies in the social sciences. He describes with care the scientific context in which the different methods evolved and identifies the problems (conceptual or mathematical) that retarded the growth of mathematical statistics and the conceptual developments that permitted major breakthroughs.

Statisticians, historians of science, and social and behavioral scientists will gain from this book a deeper understanding of the use of statistical methods and a better grasp of the promise and limitations of such techniques. The product of ten years of research, The History of Statistics will appeal to all who are interested in the humanistic study of science.

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Best Buy The History of Statistics: The Measurement of Uncertainty before 1900 :Customer Reviews

Excellent Coverage of the History of Statistics Before 1900 – Suppiluliuma – Chicago, IL
This is an outstanding book. As a Statistics student, I can’t imagine reading anything better on this subject. The math in the book is in-depth enough such that I can relate historical developments of various statistical theory and technique to what I have done (and, for that matter, that which I have yet to do) and it was possible to reproduce some of the calculations on my own (which was quite enjoyable). Overall, this is an excellent book–I can’t recommend it enough.

Statistics and Its History – Michael Albert –
Excellent book. To me, this book is not simply an exposition of the history of statistics, but a way to understand statistics better via the challenges which historically motivated its development. The writing is clear, precise, and insightful.

great perspective on a key period in the development of statistical science – Michael R. Chernick – Holland PA
Stigler is unrivaled as a statistician who researches the history of statistics. This covers the famous mathematicians and statisticians who developed the foundation on which probability and statistics blossomed in the 20th Century. He is thorough and accurate and his writing is always clear and interesting. After reading this try Salsburg’s “Lady Tasting Tea” to see how Fisher, Cramer, Neyman and Pearson and Kolmogorov and others formally developed probabilty and mathematical statistics as important disciplines in the 20th Century.

Always enjoyable and enlightening, Stigler brings an unparalleled degree of scholarship to the essays.

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categories Uncategorized | admin, 26 Sep 10 | comments Comments Off

What Is a STAT Medical Delivery?

There are many companies that work in the Chicago courier service which offer medical delivery services as part of their total service package. Medical courier companies are an important part of the overall health care industry. These are specially licensed couriers that have the proper vehicles and training to transport medical materials. Normally, these types of deliveries proceed according to normal schedules, similar to how the rest of the courier industry works. However, there is also another type of medical courier service, which is known as STAT shipping.

STAT is also frequently known as emergency courier service. Typically though, the term emergency courier service is used to describe these types of deliveries when they are made in the business or corporate world. A STAT delivery means the same thing, but also specifies that the delivery in question is one which involves the medical industry.

STAT is a term that is often used in hospitals to mean that something needs to be done as fast as possible. Many medical terms are derived from Latin roots, with STAT being no different. The original word that the term is based on is “statim”. This means immediately in the original Latin. Anything which is required STAT has the highest possible priority, and the same thinking applies to STAT delivery services which move medical material.

Typically, a STAT delivery is one which is required fast because treatment depends on the delivery being completed quickly. This would be in situations such as when an organ needs to be shipped in order to be given to a transplant patient. Also, STAT service is sometimes used to move medical materials to disaster or emergency sites when on location treatment is required.

STAT service may be completed by either ground transport or by air. In many cases, air transport is going to be used because it is much faster than making deliveries by ground. Usually, the air vehicle that will be used in medical deliveries is the helicopter. Helicopters can take off with less notice than airplanes, and aren’t held to landing and taking off from large airports. Lots of large hospitals include landing facilities right on site so that cargo can be delivered and patients air lifted in. Ground transport will still be used in some situations, such as when a STAT delivery just needs to be made between two hospitals in the same city. The option used will always be whichever is going to result in faster deliveries.

Zachary Malone is a consultant for Chicago courier service and medical courier service chicago companies as well as national courier service businesses.

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categories Stat Articles | admin, 26 Sep 10 | comments Comments Off

Don’t Be a Statistic – Check Your Deck Regularly to Ensure That It’s Safe

Decks are supposed to be places of fun and leisure. They provide sanctuary when you need some peace and quiet and are ideal for gathering your friends together for a cookout. Unfortunately not everything about decks is bright and sunny. Old or poorly maintained decks often collapse, resulting in damage to property and in some cases, even death.

According to the North American Deck and Railing Association (NADRA), between 2000 and 2006, 30 people died when the decks they were standing on collapsed. Over roughly the same period of time more than 350 injuries were reported, also as a result of deck failures. These rather alarming statistics prompted the NADRA to declare an annual Deck Safety Month to highlight the importance of regular deck maintenance and to emphasise deck safety.

Deck safety has become such a pressing issue that the NADRA has drawn up a 10-point Inspection Checklist to ensure continuing deck safety. They’re not alone in their concern, however, as researchers at Virginia Tech University have also produced a deck safety document. Their “Manual for the Inspection of Residential Wood Decks and Balconies” is available for purchase from the NADRA’s official website.

To ensure that your deck lives out its lifespan of around 10 – 15 years, there are a few important things that you need consider. First of all, when you’re still in the planning and designing stage, you need to think carefully about the weight that your deck is expected to bear. That includes the weight of all human bodies over the years, as well as pressure exerted by nature, such as wind, snow and the occasional earthquake. According to strongtie.com, there are three types of forces that you need to plan for:

• Gravity, which includes the weight of people and any snow, ice or debris that may accumulate over time.

• Lateral pressure, which includes the backwards and forwards motions caused by people walking on the deck, as well as that caused by heavy winds.

• Uplift, which is the pressure exerted by wind flowing beneath the deck.

Secondly, NADRA recommends that you conduct an annual deck inspection, with or without the help of a deck safety expert, and carry out repairs and maintenance as the situation demands. Problems to look out for include:

• Split or decaying wood. It’s important to check several areas of the deck for sign of rot or splintering, such as the support joints below the deck, the stairs, deck boards and banisters. It’s recommended that you use a sharp tool like an awl or ice-pick to find damaged sections. You should also keep an eye out for insect damage, which will require the services of an exterminator.

• Loose, missing or corroded fasteners. Fasteners include all nails, screws and anchors used to keep your deck together. Any problems with the fasteners will decrease the stability and safety of your deck. Missing or corroded fasteners should be replaced, preferably with stainless steel options.

• The railings, banisters and stairs should all be secure with no signs of rot or splintering. Signs of decay should be addressed immediately, as it spreads quickly once it sets in.

• All surfaces should be coated in a waterproof layer to protect the wood against rain, snow and accidental spills. It’s also important to protect your finishes against damage caused by the sun and wind.

• It’s a good idea to take extra precautions by ensuring that all sources of heat (fire pits, barbecues, and heaters) are sheltered and placed far away from any flammable surfaces. Keep electrical wires and appliances out of harms way and in good working order. Don’t forget to include your deck furniture in your deck inspection. Deck furniture is as prone to damage and decay as the rest of your deck, especially if it’s made of wood and stays outside.

If your deck is properly maintained and well taken care of, there is no reason why it shouldn’t last for 15 – 20 years. That’s a lifetime of parties, gatherings and fun. Inspecting your deck won’t take long; at the worst you lose a few hours of your Saturday. The price is small compared to what it could cost you if you neglected your deck. Don’t add to the strangely bizarre deck death statistics, rather be safe and happy.

Recommended sites:

[http://www.strongtie.com/safedeck/5steps.html]

http://www.nadra.org/consumers/dsmchecklist.pdf

Sandra wrote this article for the online marketers DeckPro deck and patio builders Leaders in the field of decking and patio construction.

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categories Statistic Articles | admin, 22 Sep 10 | comments Comments Off

Review Business Statistics (Barron’s Business Review Series) – Sale and Discount


Business Statistics (Barron’s Business Review Series) Reviewed

I used this book as a supplement to a crash course in Statistics for Graduate School. It is very good, but it can be a little skimpy on complete explaination of all the variables in an equation.

One good feature of the text is that the next chapter builds on the previous. The complexity of the various statistical equations grows gradually. This is helpful in may respects, but the writer(s) assume that the reader has an EXCEPTIONAL memory and can readily recall details from 1, 2, or 3 chapters back which apply to the current text. I found myself going back and re-reading previous chapters to get a handle on the chapter I was actualy reading.

Overall, the book is good but on one should try to use it as their sole book on business statistics.

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Business Statistics (Barron’s Business Review Series) Overview

This updated title in Barron’s Business Review series shows how to apply statistical methods to a variety of business situations in order to produce enlightening and profitable information. Topics covered include probability and hypothesis testing, random variables, polls and sampling, multiple linear regression, analyzing business data, decision theory, and more. Business Review books are designed for classroom use, but are also valuable as self-teaching volumes for businesspersons engaged in various fields. When used in college business courses, these titles make fine supplements to main textbooks. Instructors in adult education and brush-up programs often choose these books as their main classroom text. Each title includes review questions with answers.

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Best Buy Business Statistics (Barron’s Business Review Series) :Customer Reviews

The best stats book for a non-stats person – Peter A. Leman –
I manage a group of people who are incredibly skilled in data modeling and business statistics. I purchased this book as a refresher and reference – and was very happy with it. It discusses key statistical issues in simple terms – giving you the tools to handle yourself in any discussion.

REAL VALUE FOR MONEY – Haridas Sankar – BOMBAY,INDIA
A classic book covering all aspects of business stats
-a real boon to students and business professionals.

Great Introduction to Statistics for MBA’s – –
I read this book just before starting an MBA course called “Basic Statistics”. I found the book to be clear, intuitive and it certainly covered all topics we discussed in class. In my opinion, this book presents an easy way to understand Statistics by applying them to real business situations. I still use it as reference at work. Highly recommendable for business people interested in Statistics and with no much background in Math (just make sure you know how to add)

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Review Doing Statistics for Business with Excel: Data, Inference, and Decision Making – Sale and Discount


Doing Statistics for Business with Excel: Data, Inference, and Decision Making Reviewed

I used this book for an undergrad economic stats course. The book is not based on technical concepts, that is to say, not all about the numbers. The book uses storylines to explain the statistics concepts. The exercises are helpful as well. One thing to note though, the text uses minitab extensively in the regression chapters etc when the book came with “kaddstat” for excel. Overall, I would say this book is best for those who do not enjoy reading technical mathematics (focusing on forumulas, etc). This book is more for those who are always asking “why am I learning this”…”what is the real world application of this stuff? “

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Doing Statistics for Business with Excel: Data, Inference, and Decision Making Overview

This book teaches students how to do statistics and how to use statistics as a tool for making intelligent, informed decisions. Doing Statistics For Business, Second Edition is data driven, emphasizing statistical reasoning, interpretation, and decision-making with an emphasis is on comparison and interpretation rather than rote calculation. The cases are based on real business situations and data that are relevant to student life.

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Best Buy Doing Statistics for Business with Excel: Data, Inference, and Decision Making :Customer Reviews

Avoid! – –
Horrible book! I purchased this oversized book for one of my MBA classes and it provided little value. The assignments level of complexity was far greater than examples in book so I found myself reading help files for hours and hours. I was also questioning myself many times because of all the errors. Shame on Wiley for wasting trees.

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Review A Step-by-Step Approach to Using SAS for Univariate and Multivariate Statistics – Sale and Discount


A Step-by-Step Approach to Using SAS for Univariate and Multivariate Statistics Reviewed

O’Rouke tackles a disconnect that arises naturally between statistics texts and SAS. The former talk in general terms about many important statistical tests, for univariate and multivariate distributions. From books like these, programmers at SAS built up massive libraries that implemented those tests.

Yet to someone outside SAS, who might be a student or professional statistician, knowing in general is often little help in being able to do specific tests in SAS. So O’Rouke wrote what you might think of as a standard text. Except that it is firmly grounded in showing how all this can be done in SAS. It is also suitable as a first text in those tests. In fact, maybe even better than standard texts. Because this book gives you the tools to familiarise yourself with easily running those tests against data sets. Typically, the other books leave you with two things to do. Write those tests (or get software from someone), and apply these against data.

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A Step-by-Step Approach to Using SAS for Univariate and Multivariate Statistics Overview

One in a series of books co-published with SAS, this book provides a user-friendly introduction to both the SAS system and elementary statistical procedures for researchers and students in the Social Sciences. This Second Edition, updated to cover version 9 of the SAS software, guides readers step by step through the basic concepts of research and data analysis, to data input, and on to ANOVA (analysis of variance) and MANOVA (multivariate analysis of variance).

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Best Buy A Step-by-Step Approach to Using SAS for Univariate and Multivariate Statistics :Customer Reviews

Clear Explanations – V. Russell –
This book is very helpful for basic statistical analyses. It also gives examples of how to write up the data for a professional paper.

Excellent for beginners of statistics and SAS – M&M Catboy – Chicago, Illinois, USA
This book allowed me to learn statistics and using SAS to do statistics without being overwhelmed. I particularly like the thorough, easy-to-follow explanations that accompany SAS outputs, i.e. the authors explain each section of the lengthy output well. What use is it if you get a bunch of output but don’t know how to interpret? The authors try to help you with that, and I would say they are successful.

Sometimes I felt that certain sections are too step-by-step (like detailing the romance study at great depth), but I guess readers can gain some exposure to study designs by going through those paragraphs.

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Review Essentials of Statistics (3rd Edition) – Sale and Discount


Essentials of Statistics (3rd Edition) Reviewed

This book was specified for my introductory course in statistics at IPFW. From a well seasoned reader’s point of view, this book was very well written. When I write about a well-written textbook, I’m not just talking about how the information flows as you read. The text is written so that the reader can understand the concepts and follow along with the author’s thinking. All odd problems are answered in the back of the book. You couldn’t ask for a better statistics textbook. R. Glidewell – Fort Wayne, IN.

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Essentials of Statistics (3rd Edition) Overview

Essentials of Statistics,Third Edition is the ideal text for instructors who want a more economical and streamlined text for their introductory statistics course. Drawn from Triola’s Elementary Statistics, Tenth Edition, this text provides the same student-friendly approach with material presented in a real-world context.

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Best Buy Essentials of Statistics (3rd Edition) :Customer Reviews

Not as expected. It is hardly used. I guess used by at least 10 students. – Bill –
Not as expected. It is hardly used. I guess used by at least 10 students. According to my experience, you might see an other seller for this specific book.

wonderful surprise – simo –
ordered the book paid for expedited shipping, received it in a timely manner, the book was also in great shape, no markings on the inside just as advertised. good buy

Author Should Take His Own Advice – Wanderling – Ohio
While this author has written a highly usable textbook, the means in which he accomplishes this his goals are questionable, and suggests a certain personal agenda. Having just reviewed some of the chapters in the book in preparation for assisting someone in a class which is utilizing the text, I was dismayed to see the author using examples from “real-life” without conveying the “real facts”. I was further troubled to note that several of these examples present a slanted bias towards certain liberal personal views, while treating the information presented as gospel. This leaves students with the impression that the facts presented are true, and thus provokes an emotion or belief on the part of the student.

The author routinely suggests that the student consider the source of the date provided, the validity of that data, and the means in which the data is analyzed and presented. All the while, the author leads students to reach a conclusion which is often emotional and/or faulty. As someone with a legal background, I found Chapter 5 particularly egregious. The facts presented are inaccurate, i.e.: 80% of the POPULATION were of a particular ethnic background, NOT 80% of the REGISTERED VOTERS from which a jury pool could be drawn from; the case was primarily decided on an error made by the state (failure to employ or present), rather than won on the statistics presented; the case presented does not take into account numerous statistical variables which would have influenced the composition of the pool; and, it fails to state that the case was from the early 1970’s (rather than a recent episode of social injustice, as implied).

My student was initially outraged at the idea of such “social injustice taking place in Texas”, as provoked by the author. However, when shown the actual facts of the case and the court decisions, their response was completely changed. This would suggest a social agenda on the part of the author. It is one thing to try to invoke passion for a subject in students. It is another to manipulate them. I would suggest that the author revisit some of his case presentations and remove references to specific “real-life” events, and offer these scenarios as purely hypothetical.

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Reliable 2000U-33 Barracuda Portable Zig-Zag Walking-Foot Sewing Machine

Reliable 2000U-33 Barracuda Portable Zig-Zag Walking-Foot Sewing Machine

A few things need upgrades

I’m no an expert at sewing but have had some good experiences with an older rock-solid Singer zigzag. This machine is the basic do-it-yourself entry-level zig-zag walking foot capable of handling heavier fabrics and sails. It is nearly identical to those sold under many different names. God luck deciphering which ones are made in China or Taiwan, the latter supposedly a bit better made. A fine-tuned version (at a significantly higher price) is available from Sailrite (beware some of the sleight-of-hand discounters selling that brand though Sailrite themselves are highly reputable).

I received mine a week ago and have just done a couple of practice projects with 1″ webbing and 6-8 oz. duck. I’m finding that the machine gets hung up often. I initially thought it was from using the wrong sized needle or simply too much fabric. Through experimentation culminating with turning by hand with no fabric or thread, I’ve found that the clutch mechanism in this thing can barely overcome the mechanical resistance of the spring-loaded walking presser foot, even when not actually sewing. I followed the manual instructions and rotated the clutch washer 180º and I guess it’s another one of those help suggestions designed simply to waste your time.

I’ve ordered the Sailrite Monster II balance wheel and, based on my initial experiences, think a modification like that is an absolute necessity. It’s not a refinement or luxury but a requirement for this machine to be functional as the factory clutch is pure rubbish. Right now, I have it cranked down so tight I can’t unscrew it, but it still slips constantly.

My only other complaint is minor. The foot controller is pretty flimsy but that’s not a surprise. It’s asinine though that the cord from the machine to the foot controller is so short it barely reaches the floor from a kindergarten-sized table. The A/C plug end is plenty long. That’s just very sloppy quality control and I’m going to have to splice a longer wire, simple really, but not something most people would want to deal with.

Bottom line, if you plan to add an enhanced balance wheel with positive mechanical engagement, everything else seems reasonably functional and solid. If you think you can use this as shipped, in my opinion, not a good choice.
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categories ไม่มีหมวดหมู่ | admin, 10 Sep 10 | comments Comments (0)