Similarities
The first similarity concerns about the degree of management’s responsibility. All of them think that senior management, such as directors and operators, have the greatest amount of duty to ensure the quality of goods and services. To be specific, to Crosby, senior management have the whole responsibility for this, while to Juran, it carries over 80%. Besides, management should ensure that communication and teamwork across different levels of hierarchies are effective and efficient. This can be established by continuous education and training, as well as a suitable organizational culture and working condition.
The second similarity is that they believe continuous education and training are of the essence such as to nurture a common language of quality. By providing sufficient and suitable support, consistency on quality interpretation can be achieved. As a result, effective and efficient communication and cooperation is sustainable.
Differences
The first difference is about what they consider problems as. To Crosby, he considers problems as “bacteria of nonconformance”. These have to be “vaccinated” by using
“antibodies” to avoid problems. A “quality vaccine” is constructed with three management actions – determination, education and implementation. To Juran, he regards problems as lack of effective quality planning and control. To Shewhart, he
sees