Also I found some more detail explanation of the followups for the survey which ended in the late 80's. From what I understand the same methodology was used. http://cloud9.norc.uchicago.edu/faqs/nels.htm
On Wed, Jul 21, 2010 at 11:40 AM, Larry C. Lyons <[email protected]> wrote: > Here Scott, this is a very brief explanation of longitudinal research: > http://en.wikipedia.org/wiki/Longitudinal_study > > To get how the researchers did the actual assessments, you'll need to > troll the NORC site's methodology sections for how they handled > attrition etc. > > > On Wed, Jul 21, 2010 at 8:31 AM, Scott Stroz <[email protected]> wrote: >> >> Why do you seem to be taking that personally? >> >> I am just curious how following some kids for 1 year and some for 14 >> years can yield consistent data. As I said, a lot can happen to people >> in 14 years. In 14 years you can go from 2nd grade to college >> graduate. Or from 6th grade to being a doctor. I understand that it >> would be difficult to follow all the children for the same period of >> time, but it just seems like a pretty wide disparity, especially with >> children. A lot happens in 14 years with children. >> >> Maybe I am just an idiot, but I cannot seem to find anything at the >> link you post even linking to the study you mentioned. >> >> On Wed, Jul 21, 2010 at 8:18 AM, Larry C. Lyons <[email protected]> >> wrote: >>> >>> Its still legitimate. The longitudinal sampling techniques took such >>> into account. Go to the site and look at how they do that sort of >>> research. I'm pretty satisfied with their methodology, as is the >>> entire field. You need to do your own research about it. I don't see >>> why I ought to provide freebies when I charge a consulting fee for >>> doing such. >>> >>> On Tue, Jul 20, 2010 at 5:04 PM, Scott Stroz <[email protected]> wrote: >>>> >>>> 1-14 years? That seems to be a pretty big disparity for some kids >>>> compared to another. A lot of shit (good and bad) can happen to a >>>> person in 14 years. How can those numbers even be remotely accurate?. >>>> >>>> On Tue, Jul 20, 2010 at 4:10 PM, Larry C. Lyons <[email protected]> >>>> wrote: >>>>> >>>>> No its simply a fact, not an excuse. For instance take the NORC >>>>> dataset (see http://www.norc.org/homepage.htm) - this data is the >>>>> result of a 20 year longitudinal study of all the children in the >>>>> Chicago region school systems, including urban, suburban and rural >>>>> systems. The children were followed throughout their school career. In >>>>> the end over 50,000 children were followed for about 1 to 14 years. >>>>> Not only was school achievement assess, but socioeconomic status, >>>>> parental involvement, etc. >>>>> >>>>> The shared variance (or r squared value) between race and economic >>>>> status was over 40%, meaning that the two factors (race and SES) were >>>>> strongly related. To such an extent that you cannot statistically >>>>> remove the effect of poverty from ethnicity effects nor can you >>>>> eliminate the effects of race on effects due to socio-economic status. >>>>> >>>>> Similar results are found in the census data and in other very large >>>>> datasets. Its not saying that one group is better than the other, its >>>>> saying that this strong relationship exists and has to be taken into >>>>> account in any statistical model you create. >>>>> >>>>> On Tue, Jul 20, 2010 at 3:31 PM, Jerry Barnes <[email protected]> wrote: >>>>>> >>>>>> "Race and poverty are real close. Real close. Really really close. So >>>>>> close >>>>>> together that its really really really difficult to remove the effects of >>>>>> one from the other." >>>>>> >>>>>> >>>>>> One of the most racist ideas I have heard or read. It's that sentiment >>>>>> that >>>>>> gives people an excuse for failure. I can't succeed because my skin >>>>>> color >>>>>> is [fill in the blank]. >>>>>> >>>>>> >>>>>> >>>>>> J >>>>>> >>>>>> - >>>>>> >>>>>> No greater injury can be done to any youth than to let him feel that >>>>>> because >>>>>> he belongs to this or that race he will be advanced in life regardless of >>>>>> his own merits or efforts. - Booker T. Washington >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> >>>> >>> >>> >> >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology-Michael-Dinowitz/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-community/message.cfm/messageid:323338 Subscription: http://www.houseoffusion.com/groups/cf-community/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-community/unsubscribe.cfm
