Posts filed under “Cognitive Foibles”

Biased Assimilation and Attitude Polarization

Biased Assimilation and Attitude Polarization: The Effects of Prior Theories
Lord, Ross & Lepper (1979)

People who hold strong opinions on complex social issues are likely to examine relevant empirical evidence in a biased manner. They are apt to accept “confirming” evidence at face value while subjecting “disconfirming” evidence to critical evaluation, and, as a result, draw undue support for their initial positions from mixed or random empirical findings. Thus, the result of exposing contending factions in a social dispute to an identical body of relevant empirical evidence may be not a narrowing of disagreement but rather an increase in polarization. To test these assumptions, 48 undergraduates supporting and opposing capital punishment were exposed to 2 purported studies, one seemingly confirming and one seemingly disconfirming their existing beliefs about the deterrent efficacy of the death penalty. As predicted, both proponents and opponents of capital punishment rated those results and procedures that confirmed their own beliefs to be the more convincing and probative ones, and they reported corresponding shifts in their beliefs as the various results and procedures were presented. The net effect of such evaluations and opinion shifts was the postulated increase in attitude polarization.

Lord, Ross & Lepper (1979) by enki2

Category: Cognitive Foibles, Psychology, Think Tank

Is the Market Rallying on Syria or Summers?

There is a certain school of thought — and I use that word loosely — that seemingly tries to tie each twitch of the market, every noisy jag up or down — to some broader issue. Partisan politics, economics, technology, and of course, presidential elections becomes fodder for this school of thought rationalization. Flip on…Read More

Category: Cognitive Foibles, Current Affairs, Markets, War/Defense

Paul Farrell: Beware of Predictions, Optimism Bias

The following assortment of quotes comes from Paul Farrell   2007-2008 bank credit meltdown — the top nine happy-talking gurus False predictions made before the 2008 subprime credit meltdown: ‘Mad Money’ Jim Cramer: “Bye-bye bear market, say hello to the bull.” Ken Fisher: “This year will end in the plus column … so keep buying.”…Read More

Category: Cognitive Foibles, Really, really bad calls, UnGuru

Reagan’s Million-Jobs Month Revisited

* Sigh.* @TBPInvictus here I see once again that the canard about Reagan’s million-jobs-month is making the rounds: “Reagan’s best job month garnered the very top ranking since WWII with 1,114,000 jobs added in September 1983. A single month with more than a million jobs added. So far Obama can only wish for such a…Read More

Category: Analysts, Cognitive Foibles, Data Analysis, Financial Press, Really, really bad calls

The Narrative Fails

Its Friday (and a hot summer Friday at that), and as such, I like to wax philosophical about what I see around me as some of the broader issues today. Cullen Roche of Pragmatic Capital sets the scene for us: “The economy continues to do okay, the stock market is hitting all-time highs every day,…Read More

Category: Cognitive Foibles, Investing, Philosophy, Psychology

Sitting Down with Dr. Daniel Kahneman

Dr. Daniel Kahneman, winner of the 2002 Nobel Prize in economics, joins us to discuss his book, Thinking, Fast and Slow, and how different systems of thought can affect our judgment when making decisions.

 

Hat tip Morgan

 

Category: Cognitive Foibles, Psychology, Video

Pushing Back Against the Big Rally Miss

>   Two weeks ago, I managed to anger quite a few people with a Washington Post column titled: Missed the big market rally? Here’s what to do now. There were a variety of perturbed commenters both here and at WaPo as well as angry emails and assorted bemused tweets. While lots of readers, commenters…Read More

Category: Apprenticed Investor, Asset Allocation, Cognitive Foibles

Morgan Housel Is A Permanent Optimist . . .

  Hey, today we are having lunch with the astute Morgan Housel of MF. I have been enjoying his writing for years now — he is my favorite Motley Fool writer. Here is his very simple explanation for why the end-of-worlders have been wrong, and will continue to be wrong, for most of the future…Read More

Category: Cognitive Foibles, Investing, Philosophy

Polling the Public About Investing Is Loads of Fun!

Back in August of 2011, Gallup decided to do what they do best — which is poll the American public for their thoughts. In this instance, it was their thoughts on investing. The questions asked was simply: What do you think is the best long term investment? Their answers were very instructive: 34% of Americans said…Read More

Category: Cognitive Foibles, Contrary Indicators, Investing, Really, really bad calls

The Ex Post Facto Market Rationale

  Ex Post Facto: from or by subsequent action; subsequently; retrospectively; retroactively. From late Latin, literally, from a thing done afterward     I want to discuss a problem that exists in the narrative form of market commentary, one that I hinted at last night but did not have the time to fully explore in…Read More

Category: Cognitive Foibles, Markets, Philosophy