What is the core of cmm? This is a problem that has existed in people who are interested in software engineering and process improvement. I have prepared a case in a CMM training, I hope to explain this problem vivid, here is sharing with everyone, I hope everyone can make more problems. If you want to reprint, please send me an email: jennyli@netese.com, thank you very much.
Case Background: There is a house, there are some people, some cups and kettles, and utensils for boiling water, all people need to drink water.
CMM 1: Process: Find a cup and kettle to pour a problem: can't find a cup, no water can't find the kettle, no water drink kettle without water - don't know how to do it a day, how much water - I don't know How much time does it take to fall a glass of water? How much time everyone is pouring water per day - I don't know how to think: Can I buy a drinking aater to solve the problem?
CMM Level 2: Process: The cup is placed on a coffee table. It is put on the table. If the kettle is not water, in the kitchen, the cup is used to clean it, and put it back to the tea several training: the kitchen is burning water, cleaning the cup metrics to burn a few pots Water, each person will pour the water every day, how much time is to check if everyone is cleaned and put back to the dining table manager to pay attention to the implementation status and effectiveness of these activities: boiling water too much time water, etc. Cool can only drink efficiency is unstable: someone spends 20 minutes a day to pour the water, some people spend 80 minutes a day, thinking about buying a water dispenser can help?
CMM 3: Process: All people first take a cup in the tea, and then go to the dining table and pour the water. The two glasses of water will be poured each time. Sharing the special person to the water, put it in the cool water pot to assign a special person. Timed collection and cleaning cup problem: How can I do better? Think: Is it cost-effective to buy a water dispenser?
CMM 4: Process: Establishment of Evaluation Model: Save 1 minute = save 1 yuan, save 1 minute per person, 100 people can save 3,000 yuan 1 month (30 days) can save 3,000 yuan - as long as the month is not more than 3000 Yuan, we can try the new process definition of quantitative management goals: 3 months to reduce the time per day for pouring water 2 minutes, now establish baseline every day for pouring water: an average of 10 minutes, minimum 5 minutes, up to 20 minutes Everyone develops better than the average value: I use it for the time for pouring water for less than 6 minutes and monitor the time for pouring water every day, once more than 6 minutes, to analyze the root cause And develop adjustment; the final result is 8 minutes, beyond the predetermined goals, but it is better than the average of 3 months to adjust the baseline: an average of 8 minutes, minimum 4 minutes, up to 15 minutes: not improvement! Thinking: Is it the best solution to buy a water dispenser?
