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Thread: Y haplogroups and aggressive behavior in a Pakistani ethnic group

  1. #1
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    Y haplogroups and aggressive behavior in a Pakistani ethnic group

    Y haplogroups and aggressive behavior in a Pakistani ethnic group

    https://www.academia.edu/4481882/Y_h...?auto=download

    "Studies show that personality dimensions such as aggression are influenced by genetic factors and that allelic variants located on the Y chromosome influence such behavior. We investigated polymorphisms on the male-specific region of the human Y chromosome in 156 unrelated males from the same ethnic background, who were administered the Punjabi translation of the Buss and Perry Aggression Questionnaire that measures four aspects that constitute aggressive behavior, i.e. physical aggression, verbal aggression, anger, and hostility. A value of .85 for Cronbach’s coefficient a indicates considerable internal consistency and suggests that the psychometric properties of the aggression questionnaire can be adapted for the Pakistani population. A mean score7SD of 69.70719.95 was obtained for the questionnaire. Each individual was genotyped following a phylogenetic hierarchical approach to define evolutionary Y haplogroups. Five Y haplogroups that are commonly found in Eurasia and Pakistan comprised 87% (n5136) of the population sample, with one haplogroup, R1a1, constituting 55% of the sampled population. A comparison of the total and four subscale mean scores across the five common Y haplogroups that were present at a frequency Z3% in this ethnic group revealed no overall significant differences. However, effect-size comparisons allowed us to detect an association of the haplogroups R2 (Cohen’s d statistic5.448–.732) and R1a1 (d5.107–.448) with lower self-reported aggression mean scores in this population. Aggr. Behav. 34:1–7, 2008. r 2008 Wiley-Liss, Inc"

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  3. #2
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    Sounds weird, until you start googling angry pakistani.
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  5. #3
    I don't get it. So what? R1a1 and R2 are NOT agressive?

    So which hg are agressive? All rest?

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    ... and does that include L? Grrrrr! It better had or else!

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    R1a (and R2) are indeed the sissies here, the meanest are J2a (L is second place).

    As much as I'd like to spend the whole thread trolling, psychology replication crisis ho! I give this study ~zero credence.

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    Quote Originally Posted by Megalophias View Post
    R1a (and R2) are indeed the sissies here, the meanest are J2a (L is second place).

    As much as I'd like to spend the whole thread trolling, psychology replication crisis ho! I give this study ~zero credence.
    I'm J2a, and I agree with this statement.

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  13. #7
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    The Introduction of the paper, ironically, dismisses whatever statistical conclusions they may have reached:

    Males generally tend to be more aggressive thanfemales, and androgens are often blamed for this phenomenon. It was also suggested that the male-specific gene, SRY, located on the human Y chromosome contributed to aggressive behavior, but recent studies have shown that this effect is very indirect [Lovell-Badge, 2005]
    We now know there are far more likely genetic polymorphisms for aggression than the SRY region, such as the MAOA gene (which is ironically located in the X Chromosome).

    I suspect this paper fell victim from the outset to the supposition that whatever makes men "men" must be responsible", given, as the authors state:

    Males generally tend to be more aggressive than females, and androgens are often blamed for this phenomenon.
    Even the connection between total testosterone levels and aggression doesn't seem to exist; higher testosterone levels instead correlate with assertiveness, not aggression.

    Quote Originally Posted by Megalomeanie
    R1a (and R2) are indeed the sissies here. ...
    This is my arsenal and I'm not afraid to use it!

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  15. #8
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    Pheww ... I am less aggressive.
    Kashmir

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  17. #9
    So, if this is true, that R1 and R2 have such funny feature,
    it can be an additional argument for indoeuropeanness of R2.
    Some trace, but if IEness would be confirmed, it wouldn't
    be so strange, that they have the same ability...

  18. #10
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    Canada Ireland Scotland England Ireland County Tipperary Canada Old Newfoundland
    I guess that leaves us Celic R1b's the lambs of the Y groups?

    Baaaaaaaaa


    Mike
    Furthest Y line=Patrick Whealen 1816-1874, b.Tipperary Co. Ire. d. Kincardine Ont.

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