A constancy assumption implies that what has been true in the past will be true in the future, or that what is true here, in this situation, is also true there, in the same situation. We tend to regard constancy assumptions as more factual when they've been valid for longer periods, or when they've been validated in more places. That is, the more examples we have of their validity, the more likely we are to regard them as facts, rather than assumptions.
And that's when we're at risk of making big mistakes. Constancy assumptions are usually subject to defects related to context. For example, when we apply the brakes on a bicycle, our experience is that the bicycle will slow and eventually stop. At least, this has happened so many times that we expect it will always happen. But on icy roads, or rainy days, or when the bicycle has just gone through a puddle, the brakes might not be so effective. Our constancy assumption might be violated.
Some constancy assumptions are more likely to be invalidated as the number of examples of validity increases. For example, when people are required to accept yet another year of inadequate pay raises, their tolerance is tested each year, but they generally accept paltry increases. Eventually, though, the level of pay falls far enough below their needs, or below what other employers offer, and their acquiescence ends. Those employees who are the most attractive to other employers then find employment elsewhere.
Here are some examples of constancy assumptions that are sometimes inappropriately regarded as facts.
- Productivity rates
- Estimating the person hours required to execute projects is a delicate art. We try to convert art into science by collecting and using experience data, but that data can be misleading. For example, when our workforce ages even by a few years, the demands of home life can change, and those changes affect productivity.
- Personal trustworthiness
- When personal circumstances change, people make different choices and change their alliances, We tend to regard constancy assumptions
as more factual when their pasts
are longer, or when they've been
validated in more placesnot because their values change, but because their goals and tactics do. Somebody you distrusted last year might be trustworthy this year, and vice versa.
- Supervisory relationships
- Cultivating a strong relationship with your supervisor is almost always worthwhile, but reorganization or a change of supervisor can nearly erase that investment overnight.
- The value of annual compensation
- In most national economies, inflation is slow but steady, and it erodes everyone's compensation. Other sources of compensation erosion are pay cuts, layoffs, and benefits reductions. Assuming that compensation is constant or increasing is probably risky. Save.
Perhaps the most widespread constancy assumption concerns the possibility or necessity of finding a new job. People tend to assume that their current positions will endure. They stay in their jobs, often unhappy and underpaid, rather than exploring opportunities elsewhere, until too late. Are you among their number? Top Next Issue
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More articles on Critical Thinking at Work:
- My Boss Is Driving Me Nuts
- When things go badly, many of us experience stress, and we might indulge various appetites in harmful
ways. Some of us say things like "My boss is driving me nuts," or "She made me so angry."
These explanations are rarely legitimate.
- Wacky Words of Wisdom: II
- Words of wisdom are so often helpful that many of them have solidified into easily remembered capsules.
And that's where the trouble begins. We remember them too easily and we apply them too liberally. Here's
Part II of a collection of often-misapplied words of wisdom.
- When Fixing It Doesn't Fix It: II
- When complex systems misbehave, repairs can require deep thought, inspiration, and careful reasoning.
Here are guidelines for a systematic approach to repairing complex systems.
- Manipulators Beware
- When manipulators try to manipulate others, they're attempting to unscrupulously influence their targets
to decide or act in some way the manipulators prefer. But some targets manage to outwit their manipulators.
- Performance Mismanagement Systems: I
- Some well-intentioned performance management programs do more harm than good, possibly because of mistaken
fundamental beliefs. Specifically: the fallacy of composition, the reification error, the myth of identifiable
contributions, and the myth of omniscient supervision.
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