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[OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer

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I uploaded a new edition for D's preview. I made most of the corrections suggested by Emil. I'm not sure how to search for spaces using my version of Word (using " " doesn't work), so I will have to deal with that another time. I replied in detail to Emil's comments but just before positing my computer shut down. I don't have time now to rewrite the reply. I will let D handle most of the replies, as I will be out of town for the next week.

One thing, concerning the CNLSY analysis, Joe Rodgers (personal communication, December 02, 2013) told us the following:

Quote:"John -- I have a few comments. First, it's pretty much an empirical question as to how the cousins work within the modeling. Sometimes they help a great deal, sometimes they mess things up -- it's a little post hoc, of course, but there are reasons we can develop to explain each. As you note, the potential violation of the EEA is one of those.

So over many years, our teams' standard strategy has been to fit models using cousins, and also not using cousins. Most often, it doesn't matter; sometimes it does. In the first case, we report the result with the larger sample size, and note the other finding as well. In the latter, we report one or both, and interpret the potential problem (usually through violation of the EEA). These statements have applied to both the NLSY79 and NLSYC samples. In cross-generational analysis (Rodgers et al, Behavior Genetics, 2008), the EEA takes on a different status, as we discuss in that paper -- it's attached.

I'm attaching three additional papers that show different outcomes in regards the cousin -- see p. 380 in Rodgers, Rodgers, & Li; p. 37 in Rodgers, Rowe, & Buster, & page 356 in Rodgers, Bard, & Miller.

It's worth noting that Fisher talked about cousins as a "problem category" -- I have that cite somewhere, but I can't easily put my hands on it. He found the cousins often had higher kinship correlations that quantitative genetic models suggested they should -- which is the finding that we usually get if they're problematic.

You can follow our typical approach, or not -- and if you do, you have some papers to cite. But at the bottom line, it's up to each research team to make this call, in relation to the EEA assumption, in relation to sample size considerations, whether the DV being used seems plausible in terms of the EEA assumption, etc., etc.

Good luck with this -- hope the comments above are helpful."

We followed Joe's advice and reported both sibling and extended results and offered a possible explanation. One explanation not discussed is epigenetics, which has a differential effect on siblings and cousins. Omri Tal provided a model to determine variance due to epigeneticd which, I believe, could be applied to the CNLSY data, but doing so would require the writing of an R program which is beyond both my capability and patience.

Another, Emil said: "You should conduct a test to see if this difference is reliable. Fluke perhaps? It goes against all standard theory that h2 should be lower for whites."

As I explained to Malloy, D, and others this "standard theory" supposes that scores for minority groups are environmentally depressed. If they are not -- if the scores are genetically depressed -- this same theory predicts equal ACE such as found within populations between the upper and lower percentiles e.g., 15th percentile versus 85%.

Later.


Attached Files
.doc   Genetic and Environmental Determinants of IQ in Black, Hispanc, and White Americans08072014 (1).doc (Size: 377.5 KB / Downloads: 713)
.pdf   Multivariate Cholesky Models of Human Female Fertility Patterns in the NLSY.pdf (Size: 270.4 KB / Downloads: 742)
.pdf   The Cross-Generational Mother-Daughter-Aunt-Niece-Design.pdf (Size: 477.78 KB / Downloads: 779)
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Messages In This Thread
[OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Jul-14, 06:25:48
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Emil - 2014-Jul-14, 10:45:09
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Meng Hu - 2014-Jul-14, 19:57:08
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Jul-19, 22:37:13
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-05, 22:39:40
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Emil - 2014-Aug-07, 19:25:59
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-07, 22:27:33
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-08, 00:32:10
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-19, 03:11:37
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Emil - 2014-Aug-08, 00:29:43
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Emil - 2014-Aug-19, 09:36:33
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-19, 19:22:42
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Duxide - 2014-Aug-19, 19:33:48
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-19, 20:27:44
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Duxide - 2014-Aug-19, 20:56:25
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Emil - 2014-Aug-19, 21:23:08
RE: Genetic and Environmental Determinants of IQ - by Meng Hu - 2014-Aug-21, 01:11:58
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-21, 01:25:25
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Meng Hu - 2014-Aug-21, 02:29:13
RE: Genetic and Environmental Determinants of IQ - by Dalliard - 2014-Aug-21, 19:58:04
RE: Genetic and Environmental Determinants of IQ - by Meng Hu - 2014-Aug-21, 21:11:34
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-21, 23:43:11
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Duxide - 2014-Aug-21, 22:57:35
RE: Genetic and Environmental Determinants of IQ - by Dalliard - 2014-Aug-21, 23:45:22
RE: Genetic and Environmental Determinants of IQ - by Meng Hu - 2014-Aug-22, 04:19:42
RE: Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Americans - by Chuck - 2014-Aug-22, 04:25:14
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Meng Hu - 2014-Sep-02, 23:40:26
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-03, 02:48:14
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Meng Hu - 2014-Sep-07, 01:49:42
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-07, 19:35:52
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Duxide - 2014-Sep-08, 13:02:31
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-08, 15:16:27
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-07, 21:44:22
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-07, 23:34:54
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-07, 23:51:24
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Meng Hu - 2014-Sep-08, 00:21:20
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-08, 00:36:38
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-08, 15:04:06
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Duxide - 2014-Sep-08, 17:48:27
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Duxide - 2014-Sep-08, 18:01:30
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-08, 19:44:52
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Duxide - 2014-Sep-08, 19:48:12
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-11, 23:19:01
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Duxide - 2014-Sep-12, 10:53:22
RE: [OBG] Genetic and Environmental Determinants of IQ - by Dalliard - 2014-Sep-09, 21:25:33
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Meng Hu - 2014-Sep-10, 01:12:35
RE: [OBG] Genetic and Environmental Determinants of IQ - by Dalliard - 2014-Sep-11, 18:27:00
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-11, 23:29:03
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-11, 23:35:43
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-11, 23:44:40
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Meng Hu - 2014-Sep-12, 01:30:14
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Emil - 2014-Sep-12, 02:26:19
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Duxide - 2014-Sep-12, 22:59:24
RE: [OBG] Genetic and Environmental Determinants of IQ in Black, White, and Hispanic Amer - by Chuck - 2014-Sep-14, 21:11:40
 
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