You can find similarities and draw conclusions... but this is only with the gift
of hindsight bias.
It seems tempting to review one's life from a
somewhat hindsight bias perspective, but it also seems quite evident that these experiences shape one's mind - set....
And the fact that you now think this was an obvious solution is also good example
of hindsight bias.
Just wanted to offer an alternative viewpoint for you and your readers and that not all backtesting suffer
from hindsight bias or a overfitting fallacy.
This tendency, known
as hindsight bias, is very difficult to avoid; several studies have shown that potential jurors are unable to focus solely on the person's conduct and ignore the irrelevant information.
Hindsight bias occurs when we look at the past and convince ourselves it was more predictable than it really was.
Even
if hindsight bias allows us to point out all the cases where it has turned out to be a mistake — a mistake that sometimes delayed paradigm shifts in science for years or decades — it's still usually best to start by attempting to explain anomalous observations within the theoretical framework we have.
A 2008 study of bankers in London and Frankfurt found that
hindsight bias causes people — even professionals — to inaccurately estimate asset returns, which leads to bad trades and hurts portfolio performance.
Having seen that, is there not a
little hindsight bias introduced in the back - test (by using the 6 % growth rate and the average CAPE of 15)?
This means the current model has benefit
of hindsight bias as he acted to modify the model to correct inadequacies.
But emotionally and behaviorally, you know, we're totally fine if the dollar - cost averaging over the next amount of months, or even quarters, even years, if that keeps you
from hindsight bias and doing something, you know, stupid,» because a lot of people become very emotionally wedded.
Our hindsight bias (also knows as the «knew - it - all - along effect») where, after something has already happened, our natural inclination kicks in to see that event as having been predictable — whether or not we actually predicted it.
Picking a stock, sector or actively managed mutual fund because it recently outperformed over the past year is a case of
hindsight bias and chasing returns, he said.
The common culprits in all this are two quirks of the human mind that psychologists call confirmation bias and
hindsight bias.
While the know - it - all reminds people of their forecasting prowess,
hindsight bias can have detrimental effects on one's finances or investment strategy.
The reasons we can't just ASK people how their affairs begin is because of
hindsight bias, social desirability bias and participation bias (read my methods section before taking it out of context).
Add to those propensities the confirmation bias (which seeks and finds confirmatory evidence for what we already believe) and
the hindsight bias (which tailors after - the - fact explanations to what we already know happened), and we have the foundation for conspiratorial cognition.
The list goes on: the «
hindsight bias,» the «systematic distortion effect, «the «false uniqueness effect,» the «just world bias,» the «clouded judgment effect,» and the «external agency illusion.»
For example,
the hindsight bias can lead one to work backward from a suspect to the evidence, and then the confirmation bias can direct one to find additional confirming evidence for that suspect even if none exists.
Further, we indulge in «
hindsight bias,» where we feel we knew all along that success or failure would result, and why.
Fear, greed, loss aversion, overconfidence and
hindsight bias can often lead smart people to make costly investment mistakes.
Looking at past returns raises the issue of
hindsight bias, or as Larry Swedroe refers to it, confusing strategy with outcome.
As humans, we are extremely susceptible to
hindsight bias.
You can easily spot that one signal on a certain indicator would be directly opposing a signal on another indicator, making it extremely hard to arrive at a trading conclusion not based on
the hindsight bias.
It's
our hindsight bias that tells us holding onto multi-baggers over many years and riding out the drawdowns is an easy endeavor.
We are also susceptible to «
Hindsight bias».
Hindsight bias, denial, overconfidence and other psychological biases are powerful.
«
Hindsight bias» + possibly a little dash of «confirmation bias»?
Because of two little words —
hindsight bias.
Not only are these people falling victim to
hindsight bias, they're also guilty in assuming the next 50 years for McDonalds (or Coca - Cola, or Philip Morris, or AT&T) are going to be just as great as the last 50.
That alone is helpful in as much as I can go back and review my thoughts at the time I made each investment decision without
any hindsight bias.
The sunk cost fallacy,
hindsight bias, and anchoring are just a few of the most problematic.
Hindsight bias is terrible for investing results.
There are a number of behavioral biases that contribution to this problem including overconfidence bias, over optimism bias,
hindsight bias and the illusion of control.
Hindsight bias is a wonderful psychological tool for justification.
CR: Do you think it's
hindsight bias?
As I was reading about
hindsight bias, I began reflecting on my analysis of Radio Shack and how I should try to avoid any hindsight bias when and if the moment comes to contemplate a significant investment.
Sometimes you need to do
a hindsight bias test to see just how uninsightful you are.
The second generates
a hindsight bias.