Thursday, January 29, 2009

Meaningful Data Collection Leads To Six Sigma Success

By Craig Calvin

Defects and variations in products and services cause dissatisfaction for the customer. This is where the need for Six Sigma improvement products arises. These projects are aimed at achieving zero defects in business processes. In the Measure phase of Six Sigma, the collection of relevant data is necessary so that it can be analyzed and further improvements brought about. This data is important as it comes from customers - internal as well as external. If you want to get the right data, it is necessary for you to ask the right questions.

Various team members and departments which will be affected by the changes that are to be made. Making sure they provide detailed and clear information is the goal. However, that can only be accomplished if you know which questions to ask. An integral part of the process is making it clear to them the importance of the data you are collecting.

Teams should inform the customer about the reason and need for the data. Only then can they get an answer suited to their questions without misunderstandings or misgivings about the objective. The person asking the question needs to be clear about the aim of data collection. The person collecting the data should not have any prejudices about anything related to the data being collected. It may be better to hand over the data collection to a third party that is neutral to the outcome of data collected.

If you choose to interview the person during work hours, they may feel rushed because of a heavy work load and rush right through their answers, thus providing incomplete or inaccurate information. Questions should be asked in an environment and time that is comfortable and convenient for the people answering them. If the questions are asked verbally, they should be phrased simply in order to get the best replies. If you use questionnaires, the best plan is to put them in column format, as that has been shown to be easier to understand by most people.

It is important to provide the respondents with guidelines on how best to provide answers to the questions. This will assure that the answers are valuable and can be used in the process. It is up to the implementation team to make sure there is no confusion. Pertinent information such as name, department, and job title is also helpful in case clarification is needed later on. The process of collecting data is important to the entire process because if it proves to be inaccurate, then the entire program will be flawed. Asking easy and simple questions in a comfortable environment will help to assure the correct answers are received so that the Six Sigma implementation can move forward successfully.

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