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Quality Assurance

Quality Assurance

Quality assurance is the overarching term used to describe the activities employed to ensure the proper performance of a system. These activities can be classified into three categories: quality control, quality assessment, and internal corrective measures. Typically, these activities work cyclically: quality control is performed before and during the analysis, while quality assessment occurs during and after the investigation. Internal corrective measures are implemented based on the findings...

Quality Control

Quality Control

Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
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How Scrum adds value to achieving software quality?

Adam Alami¹, Oliver Krancher²

¹Department of Computer Science, Aalborg University, Selma Lagerlöfs Vej 300, 9220 Aalborg, Denmark.

Empirical Software Engineering

|September 26, 2022

Summary

This summary is machine-generated.

Scrum improves software quality by fostering collaboration and iterative development. However, inconsistent implementation and team issues can hinder quality gains, impacting agile software development success.

Keywords:

Agile methods Case studies Scrum Software quality

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Area of Science:

Software Engineering
Agile Methodologies
Quality Assurance

Background:

Scrum is a popular agile framework for software development, often implemented to enhance software quality.
Existing research provides limited insight into Scrum's specific contributions to software quality improvements.
Gaps exist in understanding practitioners' quality perceptions, Scrum's mechanisms for quality enhancement, and reasons for implementation failures.

Purpose of the Study:

To investigate how Scrum practitioners perceive software quality in relation to established quality models.
To identify the mechanisms through which Scrum facilitates higher software quality.
To explore the factors contributing to the failure of Scrum teams in achieving quality objectives.

Main Methods:

A qualitative research approach was employed, utilizing a two-phased study design.
Data was collected through 39 semi-structured interviews with Scrum practitioners.
Two in-depth case studies were conducted to provide contextual understanding.

Main Results:

Scrum practitioners value external quality (business needs conformity, defect absence) and internal quality (sustainable design).
Scrum enhances quality via social factors (collaboration, safety, accountability, transparency) and process advantages (iteration, inspection, adaptation).
Implementation challenges include inconsistent Scrum practices, cultural barriers, team dynamics, user access issues, and project complexity.

Conclusions:

Scrum can enhance software quality by promoting a supportive social environment and structured processes.
Successful quality improvement requires consistent Scrum implementation, supportive organizational culture, and effective team collaboration.
Recommendations are provided for practitioners to optimize Scrum for superior software quality outcomes.