Laws of Quality Management

1. Murphy's Law:

Murphy's law is an adage or epigram that is typically stated as: "Anything that can go wrong will go wrong." In some formulations, it is extended to "Anything that can go wrong will go wrong, and at the worst possible time."

2. Pareto Principle:

The Pareto principle states that for many outcomes, roughly 80% of consequences come from 20% of causes (the "vital few"). Also named for this principle is 80/20 rule, the law of the vital few.

 

3. Parkinson’s Law:

Parkinson's law is the adage that "work expands so as to fill the time available for its completion". It is sometimes applied to the growth of bureaucracy in an organization, but can be applicable to all forms of work.

4. Carlson’s Law:

Sune Carlson was a Swedish economist and a pioneer of what we today call deep work, he stated this law as: Interrupted work will always be less effective and will take more time than if completed in a continuous manner..

5. Illich’s Law:

Beyond a certain threshold, human efficiency decreases, even becoming negative. This law is also called the Law of Diminishing Returns. It is Ivan Illich, an Austrian ecologist thinker, who came up with this principle. Beyond 90 minutes spent on a task, our attention and our effectiveness diminishes.

6. Laborit's law:

This law is also called the “law of least effort”. It is the scientific theory of procrastination. It's human nature to seek instant gratification by tackling the easiest tasks on your to-do list. But soon the boring tasks pile up and, with them, so do your stress levels.

7. Hofstadter’s Law:

It always takes longer than you expect, even when you take into account Hofstadter's Law. It is also known as the Law of Schedule Slipping.