Cognitive biases are psychological phenomena that distort our perceptions, memory, or judgment. When success depends on accurate perception, evaluation, or recollection of what's around us, distortions can lead to erroneous results that range from harmless to catastrophic.
The Halo Effect (or Halo Error) was first identified in 1920 by Edward Thorndike, who was studying how military officers evaluated their subordinates. He found that high (low) ratings in one attribute tended to be correlated with high (low) ratings in other seemingly unrelated attributes. But the effect is universal, extending beyond military performance evaluation. In modern experiments, for example, researchers have demonstrated that people tend to judge attractive people as possessing more socially desirable personality traits than do less attractive people. Thus physical traits bias our assessment of personality traits.
In the context of performance reviews, researchers have demonstrated that when evaluators perceive in subordinates attributes that they regard as negative, those evaluators tend to assess more negatively the unrelated attributes of those subordinates.
The Halo Effect is pervasive. Here are three examples of how it can affect organizational decision-making.
- Status affects persuasiveness
- Assessments of the validity of someone's assertions can be affected by our perception of her or his status. For instance, when supervisors attend meetings of their subordinates, their statements tend to have greater weight than they deserve. And when pariahs speak, listeners are more likely to discount what is said than when superstars deliver essentially the same message.
- The effects of status are wide-ranging. For instance, someone mentored by a high-status individual can acquire some of the elevated status of the mentor. See "Dispersed Teams and Latent Communications," Point Lookout for September 3, 2003, for more.
- Falsifying an argument falsifies the assertion
- When we assess the truth of an assertion, we examine the argument that justifies it. In the course of that examination, if we find a flaw in the argument, we sometimes conclude that the assertion is false. The assertion might indeed be false, but finding a flaw in a supposed proof of the assertion doesn't prove that the assertion is false.
- This error is a rhetorical fallacy known as argumentum ad logicam, the fallacy fallacy, or the fallacist's fallacy. It's a manifestation of the halo effect in the realm of logic.
- Hat hanging
- Hat hanging is a phenomenon identified by Virginia Satir, a pioneer family therapist. When pariahs speak, listeners are
more likely to discount what is
said than when superstars deliver
essentially the same messageThe name evokes the idea that we hang the hat of someone from our past on someone in our present. For example, life can be difficult for someone whose appearance matches the appearance of a film actor who often plays villains. It's a manifestation of the halo effect in the realm of personal identification.
- Hat hanging can occur in supervisor-subordinate pairs when age differences approximate parent-child age differences. See "You Remind Me of Helen Hunt," Point Lookout for June 6, 2001, for more.
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More articles on Critical Thinking at Work:
- Finger Puzzles and "Common Sense"
- Working on complex projects, we often face a choice between "just do it" and "wait, let's
think this through first." Choosing to just do it can seem to be the shortest path to the goal,
but it rarely is. It's an example of a Finger Puzzle.
- If Only I Had Known: I
- Have you ever regretted saying something that you wouldn't have said if only you had known just one
more little fact? Yeah, me too. We all have. Here are some tips for dealing with this sticky situation.
- When Stress Strikes
- Most of what we know about person-to-person communication applies when levels of stress are low. But
when stress is high, as it is in emergencies, we're more likely to make mistakes. Knowing those mistakes
in advance can be helpful in avoiding them.
- What have you learned today? What has enriched you, changed your understanding of the world, or given
you a new view of history or the future? Learning something new every day is a worthy goal.
- Virtual Clutter: I
- With some Web searching, you can find abundant advice for decluttering your home or office. And people
are even thinking about decluttering email inboxes. But the problem of clutter is far more widespread.
Forthcoming issues of Point Lookout
- Coming December 13: Reframing Revision Resentment: II
- When we're required to revise something previously produced — prose, designs, software, whatever, we sometimes experience frustration with those requiring the revisions. Here are some alternative perspectives that can be helpful. Available here and by RSS on December 13.
- And on December 20: Conceptual Mondegreens
- When we disagree about abstractions, such as a problem solution, or a competitor's strategy, the cause can often be misunderstanding the abstraction. That misunderstanding can be a conceptual mondegreen. Available here and by RSS on December 20.
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- Person-to-Person Communications: Models and Applications
- When we talk, listen, send or read emails,
read or write memos, or when we leave or listen to voice mail messages, we're communicating person-to-person.
And whenever we communicate person-to-person, we risk being misunderstood, offending others, feeling
hurt, and being confused. There are so many ways for things to go wrong that we could never learn how
to fix all the problems. A more effective approach avoids problems altogether, or at least minimizes
their occurrence. In this very interactive program we'll explain — and show you how to use —
a model of inter-personal communications that can help you stay out of the ditch. We'll place particular
emphasis on a very tricky situation — expressing your personal power. In those moments of intense
involvement, when we're most likely to slip, you'll have a new tool to use to keep things constructive.
Read more about this program. Here's a date for this
- Embassy Suites by Hilton Jacksonville Baymeadows, 9300 Baymeadows
Road, Jacksonville, Florida, 32256, USA: January 15, 2018,
Monthly Meeting, Northeast Florida Chapter of the Project Management Institute. Register now.
- Embassy Suites by Hilton Jacksonville Baymeadows, 9300 Baymeadows Road, Jacksonville, Florida, 32256, USA: January 15, 2018, Monthly Meeting, Northeast Florida Chapter of the Project Management Institute. Register now.
- Ten Project Management Fallacies: The Power of Avoiding Hazards
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- The Power Affect: How We Express Our Personal Power
- Many people who possess real organizational power have a characteristic demeanor. It's the way they project their presence. I call this the power affect. Some people — call them power pretenders — adopt the power affect well before they attain significant organizational power. Unfortunately for their colleagues, and for their organizations, power pretenders can attain organizational power out of proportion to their merit or abilities. Understanding the power affect is therefore important for anyone who aims to attain power, or anyone who works with power pretenders. Read more about this program.