Quality Assurance VS Quality Quality Assurance VS Quality ControlControl

By Levere TerryBy Levere Terry

Do you know the difference? Do you know the difference? By the end of this Presentation you will…By the end of this Presentation you will…

Dictionary DefinitionDictionary Definition

Quality Assurance-Quality Assurance- All actions taken to All actions taken to

ensure that standards ensure that standards and procedures are and procedures are followed to and that followed to and that delivered products or delivered products or services meet services meet performance performance requirements.requirements.

Quality Control-Quality Control- Quality control refers to the Quality control refers to the

process, most often process, most often implemented in implemented in manufacturing, of monitoring manufacturing, of monitoring the quality of finished the quality of finished products through measures products through measures and an overall corporate and an overall corporate commitment to producing commitment to producing defect-free products.defect-free products.

QA V.S QCQA V.S QC

Quality control and quality Quality control and quality assurance are important concepts, assurance are important concepts, yet most project managers have yet most project managers have only a vague understanding of the only a vague understanding of the meanings and the differences meanings and the differences between these terms.between these terms.

QA V.S QCQA V.S QC

Quality Control refers to quality related Quality Control refers to quality related activities associated with the creation of activities associated with the creation of project deliverables. Quality control is project deliverables. Quality control is used to verify that deliverables are of used to verify that deliverables are of acceptable quality and that they are acceptable quality and that they are complete and correct. Examples of quality complete and correct. Examples of quality control activities include deliverable peer control activities include deliverable peer reviews and the testing process.reviews and the testing process.

QA V.S QCQA V.S QC

Quality AssuranceQuality Assurance

Examples of quality assurance Examples of quality assurance include process checklists and include process checklists and project audits as well.project audits as well.

The auditor being able to tell if The auditor being able to tell if the deliverable seems the deliverable seems acceptable based on the acceptable based on the process used to create it (quality process used to create it (quality assurance). assurance).

Quality ControlQuality Control Examples of quality control Examples of quality control

activities include deliverable activities include deliverable peer reviews and the testing peer reviews and the testing process too. process too.

If your project gets audited, If your project gets audited, for instance, an auditor for instance, an auditor might not be able to tell if the might not be able to tell if the content of a specific content of a specific deliverable is acceptable deliverable is acceptable (quality control). (quality control).

QA V.S QCQA V.S QC

How Developers look at QA…How Developers look at QA…

Quality Assurance is the process that no matter the Quality Assurance is the process that no matter the complex the program; defects can be easily fixed to complex the program; defects can be easily fixed to ensure quality later when truly Quality should be designed ensure quality later when truly Quality should be designed into the product.into the product.

QA usually takes close to 35 % QA usually takes close to 35 % of the Project Process time of the Project Process time between testing and reviewing.between testing and reviewing.

QA V.S QCQA V.S QC

Assurance:Assurance: The act of The act of giving confidence, the state giving confidence, the state of being certain or the act of of being certain or the act of making certain.making certain.

Control: An evaluation to indicate needed corrective responses; the act of guiding a process in which variability is attributable to a constant system of chance causes.

The terms “quality assurance” and “quality control” are often used to refer to ways of ensuring the quality of a service or product. The terms, however, have different meanings

QA V.S QCQA V.S QC

The cost of quality." The cost of quality."

The "cost of quality" isn't the The "cost of quality" isn't the price of creating a quality price of creating a quality product or service. It's the cost product or service. It's the cost of NOT creating a quality of NOT creating a quality product or service.product or service.

QA V.S QCQA V.S QC

Quality control Quality control managers are managers are responsible for responsible for maintaining the maintaining the quality and quality and reliability of reliability of products and products and services. Quality services. Quality control managers control managers inspect and test inspect and test products at products at various stages in various stages in the production the production process.process.

A Quality A Quality Assurance Assurance manager, also manager, also known as quality known as quality monitoring monitoring manager, is the manager, is the main position main position involved in a QA involved in a QA job. job.

QA V.S QCQA V.S QC

Quality ControlQuality Control

The trend chart –The trend chart –

The histogram-The histogram-

QA V.S QCQA V.S QC

This is a Typical defect tracking recordThis is a Typical defect tracking record

  

QA V.S QCQA V.S QC

Quality AssuranceQuality Assurance

Edit Grid-Edit Grid-

QA V.S QCQA V.S QC

Quality Control Quality Control Inspector at a Drug Inspector at a Drug Manufacturing Plant.Manufacturing Plant.

QA V.S QCQA V.S QC

The Major Difference is Quality control activities are The Major Difference is Quality control activities are focused on the deliverable itself. Quality assurance focused on the deliverable itself. Quality assurance activities are focused on the process used to create the activities are focused on the process used to create the deliverable. They are both powerful techniques and both deliverable. They are both powerful techniques and both must be performed to ensure that the deliverables meet must be performed to ensure that the deliverables meet your customers quality requirements. your customers quality requirements.

QA V.S QCQA V.S QC

Jobs in QAJobs in QA

Quality Assurance Quality Assurance Analyst Analyst

Sr. Quality Assurance Sr. Quality Assurance EngineerEngineer

Quality Assurance Quality Assurance ManagerManager

Director of Quality Director of Quality AssuranceAssurance

Quality Assurance Quality Assurance TechnicianTechnician

Jobs in QCJobs in QC

Quality Control ManagerQuality Control Manager

Quality Control Quality Control AccountantAccountant

Quality Control Specialist Quality Control Specialist

Quality Control InspectorQuality Control Inspector

Quality Control Audit Quality Control Audit Supervisor Supervisor

QA V.S QCQA V.S QC

Wrapping Things Up…Wrapping Things Up…

QA assurance people focus on the QA assurance people focus on the process by conducting reviews process by conducting reviews meetings walkthroughs using check meetings walkthroughs using check lists and issue lists. lists and issue lists.

QC people focuses on the product by QC people focuses on the product by conducting the inspections and conducting the inspections and audits. audits.

Works CitedWorks Cited

http://www.geekinterview.com/question_details/1952http://www.geekinterview.com/question_details/1952

www.builderau.com.au/.../Quality-control-vs-quality-assurancewww.builderau.com.au/.../Quality-control-vs-quality-assurance

elsmar.com/pdf_files/QC%20vs%20QA.pdnceelsmar.com/pdf_files/QC%20vs%20QA.pdnce

http://www.asq.org/learn-about-quality/quality-assurance-http://www.asq.org/learn-about-quality/quality-assurance-quality-control/overview/overview.htmlquality-control/overview/overview.html

http://www.sqa.net/http://www.sqa.net/

http://www.tpub.com/content/et/14084/css/14084_102.htmhttp://www.tpub.com/content/et/14084/css/14084_102.htm

http://philosophe.com/qa/http://philosophe.com/qa/