About

Cathy O’Neil lives in New York City.

If you have something to say to Cathy, please comment below, and start with “Don’t post this, I just want to say something to you, Cathy!” and then say whatever you’d like. Please feel free to suggest topics for the blog, or to send love notes, or to send hate notes (as long as they are sufficiently constructive and/or amusing), or to just muse on how life can be weird sometimes. Cathy would love to hear from you, probably. Especially the love notes.

  1. Philip Jacob
    June 14, 2011 at 10:18 am | #1

    Good luck Cathy! As with everything you do, I’m sure this blog will help others, inform and entertain.

  2. Aaron
    June 16, 2011 at 9:03 am | #2

    This is how you post a comment.

  3. June 23, 2011 at 11:04 pm | #3

    You are a righteous math babe and now a blogger to boot. Keep up the good work!

  4. June 26, 2011 at 4:30 pm | #4

    Here by recommendation of Japheth; thanks for the thoughtful conversation about hedge fund culture. Looking forward to reading more.

    (Japheth, was the Ani DiFranco reference intended? I didn’t know you had it in you!)

    • June 26, 2011 at 5:39 pm | #5

      Hey Ben,
      Unintentional, but I do feel righteous about it.
      Thanks for pointing it out!
      Japheth

  5. October 21, 2011 at 1:13 pm | #6

    Nice to see another female mathematician out there! Great post! @Data_Nerd

  6. Judy Walker
    January 28, 2012 at 5:49 pm | #7

    Hi Cathy! Sara Billey just publicized your blog at the Nebraska Conference for Undergraduate Women in Mathematics. I didn’t know about it before but I’m looking forward to getting caught up on it. I still have your PhD thesis sitting on my bookshelf by the way….
    –Judy

  7. Paul Boisvert
    February 7, 2012 at 1:00 pm | #8

    Hi, Cathy,
    Great blog! I’m a Comm. College math teacher in suburban Chicago, typical bald white male, and your take on issues of women in math fully dovetails with my own experience. I thought I’d just give you a couple additional perspectives, if you’re interested.

    In my classes, I have students write a “math autobiography” at the start, telling me their past experiences in math. The single most common trope is that of women saying “I loved math up until ___ grade”, with 5,6, or 7 most often in the blank, though sometimes up to 8 or 9, “when Mr. X, my new teacher, refused to answer our questions or help us, thought we were dumb, but passed us anyway.” Of course, the sequential nature of math means these students are now unable to understand or catch up in later grades, and rapidly come to hate math, with good reason. A single bad (usually male) teacher has much more effect in math than in, say, English or history. The real locus of effective educational change in this country in math and in all aspects of critical thinking has to be at the K-12 level, where intellectual skills are as likely to be dulled as honed by allowing opportunity for real creativity and enthusiasm.

    Secondly, you are rightly suspect of the “nature” side of the nature vs. nurture argument–but, in my opinion, not strongly enough. Evolutionary biology is a side-interest of mine, and particulalry the political misuses of bad science involving “biological superiority” claims. I first got into this several decades ago via the book “The IQ Controversy”, which I highly recommend. It showed that claims that minorities (largely blacks) had hereditarily lower IQ’s were both empirically false (unsubstantiated by properly controlled scientific evidence, or, worse, involving outright fraud) and conceptually incoherent. Ever since, I carefully follow similar claims about other inherent biological superiority, including, of course, that of men in math, to see if the same critique applies–and it simply always does. You could be quite confident of being right in simply saying that any such claims are almost certain to involve data that have not been adequately controlled for, and to never give them any credence in advance. Your point about the null hypothesis is thus extremely apt–but, frankly, there is virtually no real (adequately controlled) evidence at all even challenging the null hypothesis.

    The main reason for this is simply that culture is a far more pervasive and uncontrollable influence than virtually any scientists allow. Even a two-year old has had over ten-thousand hours of absorbing cultural data non-stop every waking moment–for Summers to claim his kids demonstrate any of his claims just shows that he doesn’t understand controlled scientific experiments. It is virtually impossible to do an adequately controlled scientific experiment in any realm that involves culture in any way–which is every important realm!

    In The IQ Controversy, Noam Chomsky makes a different point, which is worth considering as well–it wouldn’t matter if math (though he refers to IQ) skills WERE completely hereditary or biological, if we established a just society. Swimming “skills” are fairly biological, but no one finds it problematic–because society does not use swimming ability as an unjust criteria to differentially reward or oppress people. Average group differentials in swimming ability lead to no general unhappiness, and don’t prevent any individual from deploying their particular skills as they wish–we need to establish the same sort of society regarding all intellectual skills. If fewer (or more!) women then display math skills, so what, even if they are biologically based, as long as all who have them can develop them to the extent they wish.

    Finally, your take on the collaborative nature of math is slowly becoming more common practice, at least in my classes. I let students do hands-on review problem sets before tests, and they can work together. Women have always been more likely to do so in pairs and small groups, for obviousl cultural reasons, but nowadays my male students take advantage of that almost as much, as opposed to “lone wolf” types struggling through it themselves. At least, this is true up through 1st Semester Calculus, which has lots of pharmacy, pre-med, and other non-math, non-engineering students in it who will never take Calc 2, and which is about 50-50 male/female. It’s true that Calc 2 reverts to more traditional form genderwise, but even there the trend is towards more women, and more males who work in collaborative fashion. It is still true there, though. that I occasionally have women who wish to work “alone”, not out of anti-social tendencies, but just because they really, really like the “challenge” and satisfaction of getting it on their own–a feeling I am extremly familiar with… :)

    At any rate, keep up the truly excellent work–your blog is now, along with NC and a few others, a highlight of my net surfing!

    Best regards,
    –Paul Boisvert
    Oakton Community College

    • February 7, 2012 at 1:07 pm | #9

      Thanks for your wonderful and thoughtful comments. I’m tempted to make this another post, what do you think?

      Cathy

  8. Kokuanani
    February 25, 2012 at 3:35 pm | #10

    Just discovered your blog, Cathy, and love it.

    I note that you teach at a “math camp” in the summer. Even though one of my prior, brief “careers” was teaching 7th & 8th grade English, my real love is math. [I was a math major in college until "chased out" by disparaging comments about women in the field. This was the late 60s.]

    I’m currently assisting a 3rd grade teacher in our local school, in particular working with the slowest learners on mastering their “math facts.”

    Two questions for you: can you suggest books, materials, web sites, etc. that provide guidance to folks like me who are attempting to tutor in this area? Obviously I use the teacher’s materials, but I’m interested in what else might be out there.

    Second: I’ve always thought that someone should establish a Tutor For America program to recruit and train folks to work in public schools. I’m thinking about having folks tutor on a small scale [an hour or two per day/ a day or two per week], nothing like the larger commitment that’s required by TFA. I’m particularly mindful of this because of the larger number of folks who will be retiring and looking for some way to contribute.

    I would emphasize the “train” part of that equation, since I have a number of misgivings about Teach for America, the main one being their apparent belief that “we can just throw a bunch of ‘bright’ kids into the schools and they’ll provide more for the students than the current crop of ‘crappy’ teachers.”

    Anecdotally, a friend whose daughter is just getting her degree from Tulane in elementary education reported to me that the parishes around New Orleans have fired their “regular” teachers and brought in TFA people, because they can save so much money in doing so. Obviously no job there for this young person who desperately wants to teach.

    And, re the discussion re Harvard grads above, doubt that Harvard is pushing its folks to enter teaching as a “meaningful” career. [My MAT is from there.]

    • Cristina
      May 4, 2012 at 9:07 am | #11

      You might find the JUMP program helpful. There is a lot to say about this wonderful and very successful program but you can find it all on their website.

      http://jumpmath1.org/

  9. Frank Miata
    February 29, 2012 at 1:28 pm | #12

    Thanks for the update on the Met panel. I saved $25 and got your insights on the panel too. I am depressed by your conclusions about the market smarts of those guys, minus Soros, Also, LARRY SUMMERS, no. How lame is that? Obama hasn’t a clue. Now I’m really bumed out.
    Still, I like your hard edge approach to these guys….

  10. Eva
    April 16, 2012 at 11:37 am | #14

    Thought you or your readers might be interested in this, since it’s about data-driven aid: http://www.kickstarter.com/projects/972584134/what-works-in-development-10-meta-analyses-of-aid. (More at http://www.aideconomics.com/.) We’ve only got another couple of weeks left so any attention it could get would really help.

  11. April 24, 2012 at 12:07 pm | #15

    Just discovered you! Awesome.

    But can you link me to an actual list of the states that allow jail time for debt collection? I can’t find it ANYWHERE . .just the common reference that a third do.

  12. April 27, 2012 at 9:45 am | #16
  13. citizenreno
    May 3, 2012 at 1:24 am | #17

    LOVE NOTE
    Hey, Cathy, I just wrote here and now its gone after the log-in process, but if it is just in purgatory, and you get two, forgiveth moi.
    I feel like I ran into a column or a blog post or article of some sort very recently written by a conservative, pos. a Repub congresswoman, about fed gov student loan help as the reason for higher admission costs. I only skimmed it, cause the vibe pissed me off since I thought she was advocating for no gov’t help for college tuition, but that was b4 I saw you piece on collage or even college debt.
    If you want me to try to find it, I will. If you know all about it already, I will anyway.
    Love and kisses,
    reno
    on whose show, Money Talks, at Dixon Place Mondays @ 7:30 pm you will be this coming Monday, 5/7 dixonplace.org 212 219-0736

  14. c&jtrout
    May 5, 2012 at 12:36 am | #18

    i am a partialy disabled 58 yr old out of work 2 years now . when i was growing up dad always said its a good idea to have more than one trade . i have 3 . certified and current in all . auto mechanic . cabinet maker . shop floor fabrication welder . the auto field is dying because of lack of interest for experienced workers . the government stepped in 1996 and made all the manufactures standardize the diagnostic software . the cabinet making is dead because of the economic crash in the housing and building trades . and people no longer care if the whole cabinet is made out of wood .( just the doors and facing stiles ) . the fab welder trade is dead because most of the heavy equipment and machinery is made over seas and shipped here .

    i would like to know if the OWS movement is gaining traction . as more skilled blue collar trades poeple find a common ground here ?

  15. Steven Bernstein
    May 5, 2012 at 10:23 pm | #19

    Hi Cathy. I just wanted to say thank you. I watched you on Frontline just now and really appreciate your honesty and frank talk. It is important for people to understand how the choices of the past 30 years led up to the financial crisis. You broke it down well. Best of luck to you!

  16. May 6, 2012 at 1:57 pm | #21

    Cathy, Just watched you on Frontline and I so appreciate everything you are doing. I feel a great sense of hope, especially due to the insider working groups you mentioned. I teach part-time at UMD and I am sending a link to your interview to my classes. I consider it a must-watch video. If I needed any more assignments, I’d turn it into one!

  17. Some Guy
    May 8, 2012 at 5:16 pm | #23

    Just watched the Jan 18 Frontline interview and wanted to say hi. I’m a quant of sorts and until now a despiser of OWS. You actually know what you’re talking about. Wow.

    You say we can reform banking, just as we did in the great depression. It seems to me every reform has to be reformed. How about if we just let it go wild? No government intervention whatever. Let it bleed. Let banks fail and investors get burned. Disband the SEC and Federal Reserve. Too Libertarian?

  18. UncleMookie
    May 15, 2012 at 7:39 am | #24

    I am oddly compelled to chime in another “Wow” after seeing the Frontline interview – oddly, because I don’t feel (dare I say it?) “smart enough” to even participate beyond lurking within your blogsphere!!!

    As one of those “people persons” who graduated from a fairly un-glam state college in CA with a fuzzy studies degree, landing work in corporate education, I had the opportunity to work with CapitalOne Financial between ’00-’02. I got my share of eye-rolling from better educated peers, but frankly I didn’t “get” what these smug, highly-recruited whizkids were actually DOING until years later.

    I’ve been intimidated by math all of my life, but adore mixing it up with intelligent, opinionated folks like those flocking to this site. The attraction/repulsion tickles me to no end and frankly, you simply rock it.

    You have a new follower in me. While I’m overwhelmingly challenged with much of the content, I certainly feel your intelligent and spiritual underpinnings and that comfort and inspires me.

  19. May 15, 2012 at 10:00 am | #25

    This is the place to say how much I love your blog? Because god, I love your blog. Like, almost as much as I love math. (And I love me some math.)

    Keep up the great work, superstar. You make my world a better place.

  20. Dale Richards
    May 15, 2012 at 11:51 am | #27

    Hi Cathy,

    I’m just gonna ask if you’re okay with advertisements on your site? :)

    Cheers,
    Dale

  21. citizenreno
    May 16, 2012 at 8:50 pm | #29

    Dunno how my Jamie Dimon comment got posted twice – apologies.
    Reno

  22. May 18, 2012 at 12:15 pm | #30

    OK, Cathy, here’s your love-note: I fucking LOVE you!! Email me? joandelilah@my-domain-name.com I have some thoughts I’d like to share :)

  23. LotusJones
    May 24, 2012 at 9:54 am | #31

    Hello Cathy,
    After listening to the extended video of your Frontline interview I knew your blog was going to be goldmine.
    A couple of years before the crash I resolved to get smart about the financial world, but at the end of my WSJ and The Financial Times subscriptions I realized my mental runway was not long enough for most of what was being discussed to land. Hopefully after reading everything posted on your blog I’ll be a bit smarter and be able to sort the wheat from the chaff. OWS has a 1/2 hour show on WBAI everyday. A show devoted to the work of your working group would give the program a nice shot in the arm. I’m going to recommend that the Program Director contact you and you can take it from there. As understanding increases, opportunities for exploitation diminish. The work you are doing is proof that generosity is truly the mother of all virtues.

  24. May 24, 2012 at 10:54 am | #33

    Umm, that would be very much like once again allowing any “patent” medicine back on the market, no matter how poisonous, then letting “the market” decide which ones should be outlawed after some level of death is reached. Only with financial chaos, the level of deaths may be far higher!

  25. May 24, 2012 at 12:42 pm | #34

    SOME GUY wrote: “You say we can reform banking, just as we did in the great depression. It seems to me every reform has to be reformed. How about if we just let it go wild? No government intervention whatever. Let it bleed. Let banks fail and investors get burned. Disband the SEC and Federal Reserve. Too Libertarian?”

    Meant to be my reply to the above, sorry for my indefinitiveness:

    Umm, that would be very much like once again allowing any “patent” medicine back on the market, no matter how poisonous, then letting “the market” decide which ones should be outlawed after some level of death is reached. Only with financial chaos, the level of deaths may be far higher!

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