1. Why One Homework Task Can Take Half Your Time
Imagine you have 5 homework assignments but limited time to play. You might find that one essay takes up half your total time. In business, it is often said that most sales come from a very small number of products. This phenomenon, where a few causes or contributors account for most of the results, is called the "Pareto Principle." It is also known as the "80/20 rule." However, Juran, who spread this name, left a written record stating that giving it this name was an error [1]. To understand what was wrong, we should look at the young engineer who first noticed this pattern.
2. How Joseph Juran Found a Pattern in Factory Defects
In the mid-1920s, Joseph Juran was working as a young engineer in a factory. He took a list of product defect types and sorted them by frequency. He noticed that a small number of defect types accounted for most of the total defects [1]. Juran wrote that he saw the same uneven distribution when investigating reasons for absences and causes of car accidents [1]. This simple act of sorting by frequency gave him a clue about where to start investigating problems. Juran himself stated that many people had noticed this "few cause most" phenomenon in their own fields for a long time [1]. He believed his contribution was writing it down as a principle that could apply to anyone.
3. Why Juran Named the Principle After Pareto
In the late 1930s, Juran compared the salary distribution of executives at General Motors with a formula created earlier by the Italian economist Vilfredo Pareto. The match was better than he had imagined, and he was surprised [1]. Later, in the first edition of the "Quality Control Handbook" in 1951, he labeled a chart explanation as the "Pareto Principle." Juran said he wanted a short name and had no resistance to using Pareto’s name [1]. Note that while some internet sources claim Juran met Pareto in 1941, Juran’s own writing says "late 1930s," so this article follows his account [1]. In the mid-1970s, Juran wrote that he had "misapplied Pareto’s name." He explained that Pareto’s work was about economics and wealth distribution, and using that model for other fields was not intended [1]. Juran also popularized the phrase "the vital few and the trivial many," which first appeared in print in a November 1954 paper. He later changed "trivial many" to "useful many" [1][2]. Pareto himself argued that income and wealth distribution follow similar patterns across countries and eras. The "80/20" figure is a rough guideline spread later; Pareto did not say it was exactly 80/20 [7].
4. How the Pareto Chart Helps Workplaces Find Key Problems
A Pareto chart is a graph that lists items like defects in descending order with bars, overlaid with a line showing the cumulative percentage. Quality control guides suggest that when staff numbers are limited, focusing on key items allows for efficient problem-solving [5]. Let us try it with numbers. Suppose there are 100 total defects, sorted by type as 40, 25, 15, 12, and 8. These numbers are made up to show how the system works. The cumulative totals become 40, 65, 80, 92, and 100. The top 2 types account for 65%, and the top 3 account for 80%. In terms of defect types, the top 2 types make up 40%, and the top 3 make up 60%. This shows it is not exactly "20% causes 80%." In real workplaces, it may not be a clean 80/20 split [7]. Still, sorting by frequency helps identify candidates for investigation. Deciding what to fix first also depends on the size of the damage and how easy it is to fix.
5. What Eisenhower Said in His 1954 Speech
On August 19, 1954, US President Eisenhower gave a speech at the 2nd Assembly of the World Council of Churches in Evanston, Illinois. In this speech, he quoted: "I have two kinds of problems, the urgent and the important. The urgent are not important, and the important are never urgent" [3]. However, Eisenhower presented this as a saying he heard from a "former university president" [3]. According to the website Quote Investigator, the name of this person was not given in the speech, so we cannot say for certain it was Eisenhower’s own idea [4]. The widely circulated version, "What is important is seldom urgent," differs from the original text. The original used the stronger phrase "never urgent" [3][4]. It is common for wording to change slightly as phrases spread.
6. Did Eisenhower Really Create the Eisenhower Matrix?
In Japanese explanations, the four categories are often organized as: "Important and Urgent" means "do immediately," "Important but Not Urgent" means "schedule it," "Not Important but Urgent" means "delegate," and "Neither" means "drop it" [6]. People usually focus on urgent things. The suggested use of this diagram is to consciously schedule things that are "important but not urgent." The name "Eisenhower Matrix" comes from his quote. However, Quote Investigator states it is unknown whether Eisenhower himself used this 4-box method [4]. Japanese explanations also note that it cannot be confirmed as his invention [6]. Like the Pareto Principle, this is a tool whose name does not necessarily belong to its creator.
7. How to Sort Your Own Homework and Daily Tasks
Write down everything you need to do today on paper. This can include homework, chores, lessons, or play plans. Next, write the estimated time for each item next to it. Mark the one that takes the most time. This is a candidate for what uses most of your time today. Then, sort items into 4 categories using the two axes of "important" and "urgent." If you find something that is "important but not urgent," decide where to put it in tomorrow’s schedule. For example, reviewing a difficult subject or reading a book you wanted to read. It is okay if your time estimates are wrong. If you write this down for 1 week, you will see patterns in what takes up your time. You do not need to classify family or friends. Try it with your own schedule only.