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Learning Curve

In: Business and Management

Submitted By anondoaziz
Words 1369
Pages 6
Course name: Managing Operations

Assignment 3

A BRIEF DISCUSSION ON LEARNING CURVE

Definition:
In General, Learning Curve Theory or Experience Curve Theory is defined as the following:
A learning curve is a graphical representation of the changing rate of learning (in the average person) for a given activity or tool. Typically, the increase in retention of information is sharpest after the initial attempts, and then gradually evens out, meaning that less and less new information is retained after each repetition.
The learning curve can also represent at a glance the initial difficulty of learning something and, to an extent, how much there is to learn after initial familiarity. For example, the Windows program Notepad is extremely simple to learn, but offers little after this. On the other extreme is the UNIX terminal editor vi, which is difficult to learn, but offers a wide array of features to master after the user has figured out how to work it. It is possible for something to be easy to learn, but difficult to master or hard to learn with little beyond this.
The concept of the Learning Curve basically states that there is less and less learning as more repetitive steps are taken. The Boston Consulting Group conducted some empirical studies and below are the conclusions from that study: 1. The time required to perform a task decreases as the task is repeated, 2. The amount of improvement decreases as more units are produced, and 3. The rate of improvement has sufficient consistency to allow its use as a prediction tool.

Consistency in improvement has been found to exist in the form of a constant percentage reduction in time required over successively doubled quantities of units produced. The constant percentage by which the costs of doubled quantities decrease is called the rate of learning. The slope of the learning curve is 100 minus the rate of learning. For example, if the hours between doubled quantities are reduced by 20% (rate of learning), it would be described as a curve with an 80% slope. Similarly 60%, 70% curves can be defined. Below is a picture of what the 80% curve might look like:

In other words, over time, it will take less and less effort and time to produce the same amount of output.
The concept of the learning curve is a powerful one and is applicable to all learning processes. It’s easy to see how to apply The Learning Curve to areas such as manufacturing where your outputs are physical products. It’s more difficult to apply The Learning Curve, however, in areas such as services or software.
For services, the easiest way to apply it is to measure the time it takes for someone to do something. Over time — the theory goes — that it should take less and less time for a thing to be accomplished.
For software, it’s difficult to apply the learning curve. It’s not good, nor is it prudent to argue that “over time, an engineer should be able to produce more and more code.” That statement reminds me of my former professor who created an entire neural net that was effective in predicting word-sense and he did it in just 2,000 lines of code. Something like that would have taken me 3x more lines of code. So, the statement doesn’t apply.
For example, there is learning about the domain in which a piece of software runs or is to run, and the specific needs that define the scope and purpose of the software and any changes to it. This responsibility is not only restricted to someone with the title “analyst”; it applies to all those who are involved in formulating the software, including the party for whom the software is intended. A common criticism of software customers is that they do not know what they want even though they know they want it; it is easier to reason about this perception from the perspective of learning. Unless there is a process that encourages learning on all sides, how else is the knowledge going to emerge clearly? Miracles and master plans? Feedback obviously plays a significant role in all this, and shortening long feedback loops is one of the optimisations that can make any approach more effective.
Henney is especially a big proponent of the concepts of “feed-forward” and “feedback”:
Design is both a feedforward and a feedback process, which makes it a dialogue: between people; between people and the design; between people and the results of the design. This is where learning fits in. So there is a need to shorten long feedback loops, but there is also a need to increase signal to noise ratio by reducing interference – continuous unregulated feedback is noisy rather than helpful.
So, in software, Learning takes place not just for the language used, but for the entire development process and lifecycle — including learning that occurs at feed-forward and feedback loops. The goal is to make these loops less noisy.

Impediments to Learning
There are impediments to learning. I can think of two that are important to discuss: Motivation and Boredom.
No matter how repetitive a task is, if there is little motivation or a high amount of boredom for the actor, then there will most likely be very little happening. I know this concept is true for me. When I’ve been involved in jobs that I have found no satisfaction in or have been incredibly bored at, then there is little learning, because there is little caring. This isn’t always true, but it is a factor. I learned this lesson sometime ago.
Learning From The Customer
Organizations undertake several methods to learn from the customer. Below is an example of an innovative way that Toyota learns from the customer through the active use of Genchi Genbutsu:
When Yuji Yokoya received the assignment to serve as chief engineer for the second-generation Toyota Sienna, he decided to drive across North America in order to experience the highways his minivan would be driven on. Like his colleagues, Yokoya is a believer in the Toyota engineering tenet: “genchi-genbutsu,” which means: “go, see and confirm.” Yokoya drove a current Sienna more than 53,000 miles, crossing the continent from Anchorage to the Mexican border, south Florida to Southern California and all points in between.
Crossing the Mississippi River by bridge, he noted that the Sienna’s crosswind stability needed improvement. He observed excessive steering drift while traversing gravel roads in Alaska, and the need for a tighter turning radius along the crowded streets in Santa Fe. Driving through Glacier National Park, he decided the handling needed to be crisper. He also made an all-wheel-drive option a priority, along with more interior space and cargo flexibility.
Finally, he decided that the new Sienna would have to be a minivan that families, and especially kids, could live in for extended periods of time. Upgrading seat quality became a priority, along with “kid friendly” features such as a roll down window for second-row passengers, an optional DVD entertainment center and a conversation mirror so parents could monitor what was going on in the back seat.
“The parents and grandparents may own the minivan,” Yokoya said, “but it’s the kids who rule it. It’s the kids who occupy the rear two-thirds of the vehicle, and are the most appreciative of their environment.”
Learning from your customer means that it should take less and less time to develop a product that will suit the customer’s needs. Looking for those unarticulated customer needs is what Genchi Genbutsu is about and then acting on that customer knowledge in product development. Genchi Genbutsu is also known as ethnography, which is a branch of anthropology — or the science of watching people do stuff. It’s a fascinating field of study.
Conclusion
Learning Curve theory argues that it takes less and less effort and time for a thing done in repitition. For optimal learning to take place, make sure there is interest and motivation in the thing beign learned. Otherwise, learning and performance will be compromised. Learning Curve theory can be applied to every aspect of business and life — from software, to learning about your customer’s needs.

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