How Reliable are Consumer Report Ratings
AtomicJay007
8 years ago
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8 years agoRelated Discussions
Consumer Reports Reliability Data 2008
Comments (35)Roadbike, of _course_ I'm comparing CR's reliability reports to those of other research journals. Gathering data, reporting on it, and analyzing it is what CR purports to be doing. What else should they be compared to? I am _not_ talking about their individual product tests - I'll get to that in a minute since you brought it up - but rather these data compilations from which CR expects its readers to draw conclusions. There are literally thousands of research journals in all kinds of fields, and their processes are standardized and transparent. And there's a reason: because you can't draw conclusions about sample data or generalize such conclusions beyond the sample if the research isn't rigorous, well controlled, and transparent. The fact that CR is sampling owners of mowers is no excuse for their piss-poor work, anymore than if they were surveying patients in a research study for medication compliance. The research is only useful if it meets research standards. Such things as interrator reliability (where different-branded mowers that are the same under the paint and made in the same factory should have the same result) matter. If the reports aren't reliable or valid, then what is the point of buying the magazine!?! Why would _anyone_ buy CR if they didn't think the info in it was reliable or valid? That would just be plain stupid. But it's not, and all the advertisement of their _journalists_ in white lab coats won't change that. Speaking of their product tests, I recall one test of an Echo blower that was tested in some standardized way (ANSI? OSHA? I forget) and reported with some sort of decible rating for that lab test. CR purported to replicate the test and got a louder result, and called Echo liars in writing. Unfortunately, they didn't know all the original test procedures and therefore couldn't possibly replicate the standardized testing. But that didn't stop them from smearing the Echo product all to hell and back. Even after Echo wrote a letter protesting the incorrect procedures, CR wrote a rebuttal saying "Echo does have a choice: tell the truth about their product!" That not only shows a lack of willingness to listen, but also a fundamental misunderstanding of proper testing procedures....See MoreFWIW-Consumer Reports new detergent ratings
Comments (35)This is an interesting convo going on here. I am a tried and true powder person. I have tried liquids over the years w/o a whole lot of success. Not sure if it's our water softener or what. I just recently purchased my first box of Persil and I am loving it so far. I wanted to give it a try before my new washer came so I would know if it was the detergent or the machine. With every other variable the same, the Persil is doing a better job for me than Sears, Charlies or homemade did. I haven't used Tide in years do to the scent. All of my clothes have been coming out soft, I don't use softener. They look, feel and smell clean and it's the first time I could ever say "blinding white". Now I will grant you that some of those whites are brand new, so the jury is out on how long they will stay that way. I've never had luck w/whites no matter what I do. I've boil washed, warm washed, different detergents etc. I truly believe that some issues are related to water quality. I also think the water difference are why different individuals love different detergents. When, and if I start having issues w/Persil, I may look into the Tide Totalcare and take another stab at a liquid. Thanks everyone for sharing your input....See MoreThoughts about the Consumer Reports detergent ratings....
Comments (19)Kappen: Nope I don't want rankings (nor do I really care how they were ranked by CR based on their broken tests) just brands so the above does not apply. I want brands to see if there are any I was unaware of. And therein lies the rub. A problem with just about every Consumer Reports test is that typically there are hundreds of brands, and often several variants within brands, and each variant and brand has its own strengths and weaknesses and directions to follow for most effective use. Consumers Union cannot possibly test them all, and therefore must test only a select portion. CU's filter criteria most commonly are the rather arbitrary duet of sales figures (where available) -- to test the most prevalent brands -- and whether the products are readily available in southern Connecticut where CU is located. Occasionally, CU will wander off the reservation to test a regionally distributed product that is not found on Greenwich or Cos Cob supermarket shelves, but such instances are rare. Moreover, if the purpose is to run standardized tests, then, a priori, any special use instructions for individual products must be ignored. Over many years, we have used just about every variant of Tide, and had no complaints. But for the past decade or so, we have used Biokleen All-Temperature Liquid (which is the version free of enzymes), with a scoop (about 1/3 cup) of Borax added to each load. Our clothes never have been washed cleaner, and we never have had any odor problem whatsoever with our front-loading washers. But the November 2011 issue of Consumer Reports, where the results of tests of laundry detergents were published, did not include tests of Biokleen, and did not test the effect of adding borax to a wash load....See MoreConsumer Reports rates vacuums...
Comments (23)z8 grammy, I actually did some thinking about my comment and it really isn't the way I look at things. I generally seek out tools and equipment and household appliances that are known to last a really long time. For some reason I look at vacuum cleaners differently but probably because I don't enjoy vacuuming. And probably because they just get kind of nasty after a while. Before the hoover, I had two dirt devils and they lasted quite a while but eventually bit the dust...er should I say bit the dirt hehehe. I looked at the dysons and thought, I don't like vacuuming enough to pay this kind of money and it looks like the same cheap plastic so I asked around my breed's group and they said to get a $2000 miele or an electrolux . OK, I'm sure those are fine units but cmon. So someone emailed me privately and said they got a hoover windtunnel and they were pleased with it. They have the same ''use it until it breaks then toss it'' policy that runs in my family. So I went to amazon and had great reviews. So that was the extent of my decision making process. The day I got it, I had vacuumed earlier in the day and tested out the hoover and it collected so much in the canister that the dirt devil missed I couldn't believe it. My main thing was being able to vacuum the stairs easily and that mini vacuum attachment that I've nicknamed the parasite does the stairs with such ease. Would I much rather have a central vacuum, you betcha. But maybe when I get older and wiser and save up some money I will get one. Until then, Hoover is going to have to suffice. Sorry for my big mouth and any remarks deemed rude and/or inappropriate....See MoreAtomicJay007
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