Correlation vs. Causation

I decided to write a response to one of the many excellent posts written by a fellow blogger.  It became long enough and I thought a worthy enough to be a blog post of it’s own!  If you are interested in the idea of correlation vs. causation you can read his blog here first.

In your last paragraph I was reminded of Dawkins’ argument in the God Delusion when he is talking about miracles.  Since miracles are by definition unique and rare events there is no way to really disprove a divine explanation.  This is of course if the same thing doesn’t keep happening again and again, which if it does, you really don’t have a miracle on your hands anymore.  He uses the example of the one documented miracle in Catholicism in which some 100,000 witness near Fatima, Portugal reported the Sun doing some odd things including zigzagging towards them and crashing to the Earth.  Dawkins argues that in looking for a natural explanation for the event, all of them, including the possibility that all 100,000 people are lying are actually more probable than the laws of physics being thwarted for a group of people in one part of the world (no other people reported seeing anything other than those at the event).  So I think that you are very correct that we the “correlation does not mean causation” argument does not negate a particular postulation for why a correlation exists.   However I would go a step further and say that it is not even an argument in of itself.

It is of course the responsibility of anybody who poses a correlation to provide a reason why such a correlation exists.  Provided you have done that, then the “correlation does not mean causation” response isn’t a logical argument in response to yours.  The person on the other side of the debate must either address why your reasons why are not valid, or must present something else that correlates better and why their reason for x causing y is more probable.  So I think you might be giving a little too much weight to the argument in how much it actually negates a correlation between two variables.

In many areas in science we can say why pretty easily because there are usually physical laws that explain why quite easily, and those things are testable and repeatable.  In social science this may be harder to do.  Especially since it is not always clear what all the variables are.  For instance it is clear that there is a positive correlation between gun deaths (accidental, homicide, and suicides) the amount of guns per capita in a population.  There are plenty of psychological factors of course to consider here on why would a person own a gun or why would someone choose to kill themselves?  There are practical questions like how to we get people to be more responsible about locking up their guns so their kid doesn’t pick it up, how to we make sure that more people remember to store their guns unloaded, how can make guns safer from accidental misfires, and how can we make sure that people who buy again are well trained in how to use it? There are likely even bigger questions like how does income disparity lead to increased crime in general? What are other ways that don’t involve firearms where people can be made safe?  All of these and plenty more are likely part and parcel of explaining gun violence, but that doesn’t change the fact that reducing access to guns would result a lowering of the number of gun deaths.  So making some laws that create a national gun registry, that do better background checks, and limit the type of weapon the general public could buy, would make some sense even though it clearly won’t eliminate gun deaths completely.  If by a counter-argument someone says “correlation does not mean causation” they haven’t actually addressed the argument being made.  They actually have to find an example with all other variables relatively constant between the U.S. and that country, except gun control laws, and show that an opposite correlation exists. i.e. Restrictive gun control laws and increased gun deaths, or high gun ownership and low gun deaths.  And that would be for a country with similar economies, democratic, with a high standard of living, and that doesn’t have mandatory military service in which the high amount of gun ownership isn’t because they keep their piece given to them in the military (Switzerland the example always used here).

So in the classic humorous example that has been around for awhile is that graph between global temperature and the number of pirates.  I can’t just show that graph and say see…look how the number of pirates is impacting global temperature?  I actually have to provide a reason why pirates might impact temperatures.  I can say there is less plundering and razing of towns so the urban heat island effect has increased thus raising global

From Wikipedia.org

temperatures.  Obviously this is a silly argument, but a response of “correlation and causation are different”, while a true statement, does not negate my assertion.  There are many ways to disprove my assertion but pointing out a correlation is not causation does not. Because the truth is, “correlation does not always mean causation” so one has to go past this statement to further argue one’s point.  This is true for many arguments that contain logical fallacies.  You could take the classic argument used against gay marriage.  Well if we let gays marry, pretty soon we’ll have to let people marry their pets.  Well this is of course the slippery slope logical fallacy.  Slippery slope arguments may not be incorrect, but are very often wrong.  So it’s not enough for me to counter your slippery slope argument with “Hey that’s a slippery slope argument”.  I would be quite wrong to think the argument was done, because they could actually be right.  Some events do lead to a chain of events that are far from where things started.  To win the argument I would actually need to argue that there has never been a push for legislation to marry a pet, that if anybody has tried this they were a crazy person, that this is not a psychological drive of human beings as a species, etc.  I could also point to many other marriage related laws or other laws that have not led to a hyperbolic slippery slope situations.

To say that “correlation and causation are not necessarily the same thing” is actually a Straw Man argument (which is fallacious) because the argument assumes a position that you have not taken in the argument.  Correlating variables is a valid method for discovering relationships, and by presenting that correlation, one’s assertion is not that correlation is a valid method, but rather that two variables are related to each other.  And to say two things are correlated doesn’t imply that this is the only important variable, or that even it is the primary or secondary cause of a particular event.  One has simply said there is a relationship and a counter argument must challenge the relationship.  A correlation must be presented along with some sound reasons why there is a correlation, and an argument in response must challenge those reasons.  The art of argumentation isn’t easy and few people can actually argue well. 🙂

The Whole Story

Who doesn’t love a good story? We see it television, in movies, and in books. We all love good stories told around a campfire, around the dinner table. We love writers and directors and people who can weave a good story together. Are stories just something that purely are for entertainment if they are fiction, and education if they are true? Is there any such thing as a true story (and if there is, is it exciting enough to listen to)? Is there any such thing as a fictional story?

There are plenty of people I’m sure who have addressed this topic, so I don’t think I am coming up with anything new here. The value of stories and storytelling has been on my mind ever since I read Patrick

From kkc.wikia.com

Rothfuss’ two books The Name of the Wind and A Wise Man’s Fear. The main character in that book is from a group of people that are somewhat gypsy like. They live their lives on the road traveling from town to town putting on performances of plays, telling stories, acrobatics, and playing music and singing songs. They are performers. The main plot of the series (which is not finished yet and I’m anxiously awaiting the 3rd and final book in the series) is that the main character is trying to determine the truth behind a traumatic childhood incident (don’t want to give too much away). The source of the traumatic event was something that he heard as a story and thought it was just a myth, something not real, and thus when this myth does seem real he questions his own memory of the event, since he was a child and could possibly have just made a story fit what he witnessed, or did it really happen. As this main character grows and travels he hears more stories from different cultures and different people. Stories are always slightly different because good storytellers exaggerate a bit here and there and of course stories generally change throughout time as they get passed down and pass from region to region. taking on aspects of the culture they move into. In a way the main character is learning about what’s real through what everyone thinks are fictional stories. Taking bits and pieces from all the different stories and putting it together into a narrative that might explain what happened to him as a child. The books represent masterful storytelling themselves, but the author really hits home the value of stories in general. The main character states at one point “There is truth to every story”.

Truer words were never spoken.

Fiction is defined as:

1. a. An imaginative creation or a pretense that does not represent actuality but has been invented.
b. The act of inventing such a creation or pretense.
2. A lie.
3. a. A literary work whose content is produced by the imagination and is not necessarily based on fact.
b. The category of literature comprising works of this kind, including novels and short stories.

Even the most damning definition of fiction here “A lie” can carry with it truth.  If you know someone is lying you might know then that the opposite is true.  You might know that to find truth more investigation is needed.  You might try to understand why I’m lying and learn something about why people lie. I think we need to be mindful that this doesn’t necessarily mean that there still isn’t any truth to be found within the context of our imagination. And I think everybody sort of gets that, but for a while I was heavily into non-fiction because I was like I have so much to learn, and I still do, but I think in my mind I had forgotten sort I also decided to write about this today because of an article I read recently regarding stories and how they impact our view of the world. For instance if we are old stories about violence repeatedly this may skew our view of how prevalent violence is.  The article has many more thought provoking ideas than that, but the gist is that stories shape our lives, because we do search for meaning in every story and when we read only one kind of story all the time, whether it is non-fiction, a news story in the media, or in a movie, our neurons start to forge pathways that make that one kind of story a narrative for our life.  So it seems it is important to actually fill yourself with different types of stories.

I love reading.  My wife and I actually read stories together, with usually me reading and her listening.  I tend to read in a British accent most of the time, because hey it makes the story sound better for me, but I also try to do different voices for different characters.  She likes the way I read, but I sort of wish she would read to me more too, because when we started she was the one that read to me, and it was actually her getting into the reading and doing different voices that made me feel comfortable getting into it. 🙂  She says I’m better at it, and maybe that’s true, but I just hope I haven’t taken something away from her that she enjoyed doing.   I do find value in reading a story out loud, telling it.  It makes you think about the characters more, what their moods and emotions might be.  I sort of find that when I read to myself I pay

Orpheus and Eurydice (from www. maicar.com).

more attention to the non-dialogue part, where as when I read out loud I pay more attention to the dialogue.  It’s a very different experience.  I strongly recommend giving it a try. 🙂  Rothfuss’ books have also made me think that it would be cool to have, instead of a book club, a story club where once a month you meet and tell stories to each other.  I am super excited to read stories to my child that is soon to be in this world, and I hope I can share the appreciation I have for the value of stories. 🙂

Vigilance

Well I have been absent from the blogosphere for a while thanks to a busy semester, but I guess that just means I have more to say!   The topic I wanted to write about today is sort of a good one to start back blogging about.

It seems, although somewhat subconsciously, that I have been trying to compile a list of what I think are the most important human virtues.  While I think most people could rattle off a list of such qualities, I’ve been trying to pare down the list to the essentials.  It occurred to me that many qualities are somewhat related.  I’ve written about the importance of compassion.  In it I think are many other qualities like empathy, generosity, kindness, etc.   Humility is another one that I think is really important and have blogged about before.  So today I want to talk about what I think is a 3rd very important virtue and that vigilance.  To be clear and add some definition, vigilance, to me, is also the quality of determination and more importantly perseverance.

One of my favorite quotes from a person of history is this quote by Gandhi, “Nearly everything you do is of no importance, but it is important that you do it.”.  At first such a quote might

From http://www.voanews.com

seem kind of depressing, but I do not think this is what Gandhi was saying, and I think that this quote speaks to the importance of vigilance in life.  Life is full of mundane tasks that must be done, not all of them are joyful, nor are they painful, they are just chores that need to be done, often daily; things like brushing your teeth, washing dishes, taking out the garbage, etc.  And it’s not to say that these things might not be joyful for some people too.  There is something nice about the feeling of clean teeth, or a clean kitchen, but even if there isn’t, it is important that these things be done.  Even if you are rich enough to have someone who does a lot of chores, you are likely to still have tasks that need to be done that are sort of mindless.  These tasks are often, most of the things we do in a given day.  So I think Gandhi recognized this aspect of our lives, but also recognized the importance of those actions as being valuable over time, even if they have little immediate impact.  Children for instance need consistency over time as they themselves experience so many new things, a parent who is consistent in their actions and being there for their child is important.  Relationships require trust that demands a certain constancy of character in others that you forge relationships with. Good health and long life requires a lifetime of good choices about hygiene, nutrition, and exercise.  I have often told people that getting a Ph.D. is not as much about how smart you are, but your ability to persevere through a lot of work, hoops, and bureaucracy (I don’t necessarily mean this disparagingly, because for me it was worth, for others I know it was not).  I think it is true that sometimes we even seek this constancy in things that we don’t like.  The saying “Sometimes the enemy you know, is better than the enemy you don’t”, speaks to situations where people are willing to put up with something or somebody that is unpleasant simply because they have become used to it and at least know how to deal with it.

I think it is easy for vigilance to get caught up in the idea of routine, and maybe it sometimes is, but even that is not necessarily a bad thing.  Those with autism depend on routine as a way of making sense of their world, and I don’t think we are all that different.  Most of us need

From http://www.sodahead.com

some sense of routine, because our lives are always in conflict between change which brings uncertainty and those things that we can count on which makes us feel safe.  Routine can sometimes be very helpful when facing adverse moments in life.  Having something to focus on, having something that you feel you need to do, however mundane the task, might be can help us from falling into depression or becoming apathetic.   I can’t speak for all people, but I have observed this being helpful for others and certainly for me when I was going through adversity.

Recently I was in New Orleans for a conference and the keynote speaker for the conference was talking about how her spirituality has helped her and that she feels like God works through her because when she looks at the things she has done, she doesn’t know how she has been able to do it.  She feels like she herself is not capable.  I think it is easy to understand why many people feel that way.  I think for most things we do, we are used to seeing the immediate result of a particular action.  But the quality of being vigilant is one that builds a wisdom and experience over time.  I liken it to a river that erodes to make a canyon.  If you could talk to the river at any one moment in its life it would be unaware of how much it is doing.  Miniscule fragments get washed away every day however.  I likened the speaker’s statement to asking this river a couple hundred thousand years later to look around and see what it has made.  I think the river would be surprised at the deep canyon it has made, since each day it only perceives a little less rock underneath and at its side.  The weathering of rock by the river is a story of vigilance and I think that we can easily fall into the trap of not realizing how great things are possible when we remain vigilant over long periods of time.

I think it’s important to remember that cause and effect occur over various timescales.  Rewards of our labors and actions may often take years to come to fruition.  So, although our actions may seem to be of no importance in the short term, over the long term the benefits can be remarkable.  Keeping this in mind helps me find more value in the mundane, and gives me the courage to push through when life seems difficult.    But like all things in life there is still a balance to be found, so don’t be afraid to make adjustments when life teaches you another lesson.  The extreme consequence of vigilance may be stubbornness and we must also be vigilant about not developing too many bad habits.  😉

Peace all!

I’ve Got a Feeling

A few years back my wife and I had some trouble in our marriage.  I remember it being rather a shock to me that all of a sudden what seemed like a happy marriage seemed to be falling apart so quickly and was full of such heartache and pain.

But I am not here to talk about that.  It is in the past, and we have rebuilt and things are wonderful with our first child on the way.  What I would like to reflect on though is how feelings translate into actions.  The shock I felt was because I had this incredible amount of love in my heart.  But these feelings did not translate into a behavior that would have qualified me as a great husband.

I am sitting in on a wonderful class right now taught by a colleague in the Psychology Department on campus called Love, Lust and Attachment.  We were discussing in class how we go about measuring relationships.  Ultimately emotions cannot be measured, but behavior can and let me to thinking about why those two things are so often in a disconnect.

A must see documentary that will break your heart. From en.wikipedia.org

All of us have intense emotional experiences.  They can be intense sadness at a story on the news or a documentary; intense feelings of joy as a baby is born; intense anger at a betrayal, intense love for a partner and/or friend, intense fear when frightened by something.  It struck me that these intense emotional experiences have a real physical impact on us, and I began to wonder if this physical impact deludes into believing that it has more of an impact on our actions or behavior than it actually does.  Many people are often moved to tears by a sad story, but few act on that feeling to do something about it.   We may love someone deeply, but does that feeling of love translate into actions that make the other person feel loved?  Does our outrage over a defunct government move all of us to write our representatives?

The motivational speaker finds success in not so much giving us new things to think about, but rather tries to get people to direct their emotions, ideas, and thoughts into actions.  Few emotions in of themselves lead to immediate action without conscious thought.  Things like fear or disgust may be good examples of ones that do, for these emotions from an evolutionary standpoint impact our very survival.   But for the most part it seems that emotions are what motivate us, and yet only a small fraction of the emotions we feel actually lead us to a behavior that is the consequence of that emotion.   Furthermore we may simply lack the understanding of how to effectively behave to show how that emotion is affecting us.  I remember William H. Macy’s character in Magnolia’s words “I really do

From catdangle.com

have love to give, I just don’t know where to put it”.  I think many of us can identify with this character.  Acting on our emotions is often like wandering around in the dark, especially when we haven’t had positive examples in our lives.

Perhaps the only relevant answer in the end is that we live in a world with limits.  While I might be able to feel love for many different women, I only have the time, energy, and resources for a finite amount.  While I may feel deeply passionate about numerous social causes, once again those feelings cannot translate into an equal amount of actions.  There are only so many hours in the day.  We must rest and recharge to function adequately in our daily lives.  Of the many emotions we feel throughout the day we must pick and choose the actions we take.  And sometimes certain tasks are more important in the moment and we must let put intense emotions aside.

When I was young I felt like I was full all this emotion that was going to make me a great person, but I felt that none of it was coming out.  Emotions can be overwhelming and sometimes even paralyzing.  I felt like the real me was buried deep within myself.  I am proud to say that each day I’ve felt like that person was getting closer to the surface.  I am not sure if I’m the person I want to be yet, but I believe it is important to:

1) Let yourself feel what you feel.  Embrace the ones that make you feel good, and forgive yourself for the ones that frighten you or make you feel weak.  All emotions have value.  They teach you about yourself and raise awareness in your conscious mind about things you deem important in your environment.

2) Reflect on those emotions and choose a course of action that is according to your morality.  One that hopefully benefits you and the world around you.

3) Then reflect on the translation of emotion into action so that you can make adjustments if necessary.

Remember, no one is a natural, but we can all try to do more, and become better people.  We are changeable.  Accept it and don’t fight it, because then your emotions will never weigh you down and you will realize that you are learning and not making mistakes.