Jil Klünder

Leibniz Universität Hannover · Institute of Practical Computer Science

Software development methods are usually not applied by the book. Companies are under pressure to continuously deploy software products that meet market needs and stakeholders’ requests. To implement efficient and effective development processes, companies utilize multiple frameworks, methods and practices, and combine these into hybrid methods. A...

Selecting a suitable development method for a specific project context is one of the most challenging activities in process design. Every project is unique and, thus, many context factors have to be considered. Recent research took some initial steps towards statistically constructing hybrid development methods, yet, paid little attention to the pe...

Together with many success stories, promises such as the increase in production speed and the improvement in stakeholders' collaboration have contributed to making agile a transformation in the software industry in which many companies want to take part. However, driven either by a natural and expected evolution or by contextual factors that challe...

Quality aspects such as ethics, fairness, and transparency have been proven to be essential for trustworthy software systems. Explainability has been identified not only as a means to achieve all these three aspects in systems, but also as a way to foster users' sentiments of trust. Despite this, research has only marginally focused on the activiti...

Startups play a key role in software-based innovation. They make an important contribution to an economy's ability to compete and innovate, and their importance will continue to grow due to increasing digitalization. However, the success of a startup depends primarily on market needs and the ability to develop a solution that is attractive enough f...

Together with many success stories, promises such as the increase in production speed and the improvement in stakeholders' collaboration have contributed to making agile a transformation in the software industry in which many companies want to take part. However, driven either by a natural and expected evolution or by contextual factors that challe...

Sentiment analysis gets increasing attention in software engineering with new tools emerging from new insights provided by researchers. Existing use cases and tools are meant to be used for textual communication such as comments on collaborative version control systems. While this can already provide useful feedback for development teams, a lot of...

Vision videos are established for soliciting feedback and stimulating discussions in requirements engineering (RE) practices, such as focus groups. Different researchers motivated the transfer of these benefits into crowd-based RE (CrowdRE) by using vision videos on social media platforms. So far, however, little research explored the potential of...

A wide variety of use case templates supports different variants to link a use case with its associated requirements. Regardless of the linking, a reader must process the related information simultaneously to understand them. Linking variants are intended to cause a specific reading behavior in which a reader interrelates a use case and its associa...

A wide variety of use case templates supports different variants to link a use case with its associated requirements. Regardless of the linking, a reader must process the related information simultaneously to understand them.Linking variants are intended to cause a specific reading behavior in which a reader interrelates a use case and its associat...

Hardly any software development process is used as prescribed by authors or standards. Regardless of company size or industry sector, a majority of project teams and companies use hybrid development methods (short: hybrid methods) that combine different development methods and practices. Even though such hybrid methods are highly individualized, a...

Software development is a collaborative task and, hence, involves different persons. Research has shown the relevance of social aspects in the development team for a successful and satisfying project closure. Especially the mood of a team has been proven to be of particular importance. Thus, project managers or project leaders want to be aware of s...

As software projects are very diverse, each software development process must be adjusted to the needs of the project and the corresponding development team. Frequently, we find different methods and practices combined in a so-called hybrid development method. Research has shown that these hybrid methods evolve over time and are devised based on ex...

Software development methods are usually not applied by the book. Companies are under pressure to continuously deploy software products that meet market needs and stakeholders' requests. To implement efficient and effective development processes, companies utilize multiple frameworks, methods and practices, and combine these into hybrid methods. A...

Among the multitude of software development processes available, hardly any is used by the book. Regardless of company size or industry sector, a majority of project teams and companies use customized processes that combine different development methods -- so-called hybrid development methods. Even though such hybrid development methods are highly...

Software engineering educators are continually challenged by rapidly evolving concepts, technologies, and industry demands. Due to the omnipresence of software in a digitalized society, higher education institutions (HEIs) have to educate the students such that they learn how to learn, and that they are equipped with a profound basic knowledge and...

Selecting a suitable development method for a specific project context is one of the most challenging activities in process design. To extend the so far statistical construction of hybrid development methods, we analyze 829 data points to investigate which context factors influence the choice of methods or practices. Using exploratory factor analys...

Selecting a suitable development method for a specific project context is one of the most challenging activities in process design. Every project is unique and, thus, many context factors have to be considered. Recent research took some initial steps towards statistically constructing hybrid development methods, yet, paid little attention to the pe...

Software development encompasses many collaborative tasks in which usually several persons are involved. Close collaboration and the synchronization of different members of the development team require effective communication. One established communication channel are meetings which are, however, often not as effective as expected. Several approach...

Software development encompasses many collaborative tasks in which usually several persons are involved. Close collaboration and the synchronization of different members of the development team require effective communication. One established communication channel are meetings which are, however, often not as effective as expected. Several approach...

Hardly any software development process is used as prescribed by authors or standards. Regardless of company size or industry sector, a majority of project teams and companies use hybrid development methods (short: hybrid methods) that combine different development methods and practices. Even though such hybrid methods are highly individualized, a...

Software development is a very cooperative and communicative task. In most software projects, meetings are a very important medium to share information. However, these meetings are often not as effective as expected. One big issue hindering productive and satisfying meetings is inappropriate behavior such as complaining. In particular, talking abou...

Software development encompasses many collaborative tasks in which usually several persons are involved. Close collaboration and the synchronization of different members of the development team require effective communication. One established communication channel are meetings which are, however, often not as effective as expected. Several approach...

Hardly any software development process is used as prescribed by authors or standards. Regardless of company size or industry sector, a majority of project teams and companies use hybrid development methods (short: hybrid methods) that combine different development methods and practices. Even though such hybrid methods are highly individualized, a...

Product Owners have an important role in the agile and hybrid software development process. While this role is supposed to maximize the value of a product, there seem to be several scattered results on how they achieve this, as well as what actually constitutes this role in practice. To consolidate current research results and to further analyze th...

In Requirements Engineering, a lot of communication takes place in conversations and meetings, such as workshops, focus groups, interviews, and review sessions. Research has shown that interactions in meetings influence the group affect after the meeting-and hence the participants' motivation for (further) contributing to the project. However, it r...

Fast feedback promotes agile teams to improve their work during the software process, making it crucial for team success. Information systems accelerate the availability of information that result in compact knowledge sources. In practice, feedback in Sprints is often limited to sole progress and performance measures, e.g., burndown charts or veloc...

The adequate use of documentation for communication is one challenge in requirements engineering (RE). In recent years, several researchers addressed this challenge by using videos as a communication mechanism. All of them concluded that this way of using videos has the potential to facilitate requirements communication. Nevertheless, software prof...

In agile software development, proper team structures and sprint estimations are crucial aspects to reach high-performance outcomes. Performance can vary due to the influence of social-driven team factors. Resulting in team dynamics with the focus on human factors are usually difficult to capture and thus often not monitored. However, their impact...

Product Owners in the Scrum framework-respectively the On-site Customer when applying eXtreme Programming have an important role in the development process. The Scrum Guide states that this role is responsible for the requirements and maximizing the value of the product. However, the implementation of this role depends on the individual, the organi...

Product Owners in the Scrum framework-respectively the On-site Customer when applying eXtreme Programming have an important role in the development process. The Scrum Guide states that this role is responsible for the requirements and maximizing the value of the product. However, the implementation of this role depends on the individual, the organi...

Agile software development teams strive for fast and continuous feedback. Both the quality of the resulting software and the performance of the team require feedback. The performance of the team developments is often addressed in retrospectives which are not only part of the SCRUM framework, but also in general. Reflecting on incidents during the l...

Almost all companies struggle with software systems that are getting increasingly complex. Therefore, in particular large companies often use software product lines, which provide an efficient way to manage software reuse as well as the high complexity. However, software product lines seem to be too slow to react to changes. Agile development appro...

Among the multitude of software development processes available, hardly any is used by the book. Regardless of company size or industry sector, a majority of project teams and companies use customized processes that combine different development methods - so-called hybrid development methods. Even though such hybrid development methods are highly i...

Software engineering educators are continually challenged by rapidly evolving concepts, technologies, and industry demands. Due to the omnipresence of software in a digitalized society, higher education institutions (HEIs) have to educate the students such that they learn how to learn, and that they are equipped with a profound basic knowledge and...

HELENA-Edu is a international survey that aims at collecting data regarding the general use of software and system development approaches in teaching. The overall goal is to study if the frameworks, methods and practices thaught at institutions of higher education reflect industrial practice. This report presents selected key findings of the HELENA...

This file contains the basic research and questionnaire designs and research (raw) data for the second stage of the HELENA-Edu study.

Software process improvement is a very important topic. Almost all companies and organizations face the necessity for improvement sooner or later. Sometimes, there is obvious potential for improvement (e.g., if the number of developers does not fit the project size). Nonetheless, fixing all obvious issues does not necessarily lead to a “perfect” pr...

Abstract In 2001, seventeen professionals set up the manifesto for agile software development. They wanted to define values and basic principles for better software development. On top of being brought into focus, the manifesto has been widely adopted by developers, in software-developing organizations and outside the world of IT. Agile principles...

HELENA is a large-scale international survey that aims at collecting data regarding the general use of software and system development approaches in practice. In a 2-year endeavor, a team of up to 75 researchers developed the HELENA instrument and collected data from almost 1,500 project/product teams worldwide. This report presents selected key fi...

This file contains the basic research and questionnaire designs and research (raw) data for the second stage of the HELENA study. Instructions and directory outline is included in the zip-file.

Product owners in the Scrum framework - respectively the on-site customer when applying eXtreme Programming - have an important role in the development process. They are responsible for the requirements and backlog deciding about the next steps within the development process. However, many companies face the difficulty of defining the tasks and the...

Software ist in nahezu allen Industriesektoren zu einem Treiber für Innovation geworden. Deshalb benötigen Unternehmen Methodenkompetenz zur Softwareentwicklung. Hier werden eine Vielzahl unterschiedlicher Prozesse, Methoden und Praktiken verwendet. Die HELENA-Studie untersucht empirisch die in der Praxis eingesetzten Softwareentwicklungsansätze. E...

Software projects are dominated by meetings. For participants, not all meetings are useful and enjoyable. However, interaction within a meeting has an impact on individual and group affects. Group affect influences team performance and project success. Despite frequent yet vague dissatisfaction with some meetings, many software engineers are not aw...

In software projects, a continuous exchange of information among team members is necessary to ensure a successful project. Meetings support this information exchange because they enable team members to share information simultaneously with all other team members. However, teams often get lost in endless discussions or developers do not gain a real...

Software process improvement has always been an essential part of software projects. Current market trends and the rapid pace of changing requirements demand fast development and adaptability. Agile software development is a popular possibility to react on these trends. Implementing agile practices promises for example a shorter time-to-market, sat...

Product owners in the Scrum framework – respectively the on-site customer when applying eXtreme Programming – have an important role in the development process. They are responsible for the requirements and backlog deciding about the next steps within the development process. However, many companies face the difficulty of defining the tasks and the...

The task board is an essential artifact in many agile development approaches. It provides a good overview of the project status. Teams often customize their task boards according to the team members' needs. They modify the structure of boards, define colored codings for different purposes, and introduce different card sizes. Although the customizat...

Many software development teams face the problem of selecting a suitable development approach fitting to their specific context. According to them, the combination of agile and traditional approaches seems to be the solution to handle this problem. However, the current state of practice with respect to hybrid approaches is not suciently examined. M...

The poster for the German team of the HELENA community. Presented at the 2nd HELNA Workshop at PROFES 2018 in Innsbruck

Software project success has various facets and definitions ranging from customer satisfaction over software quality to the degree of implemented vs. not implemented requirements. Customers, developers and project leaders strive for project success. During the development process, they try to pay attention to aspects which are perceived to be impor...

Team communication addresses a critical issue for software developments. Understanding human behavior and communication take an important role for cost optimized scheduling and adjustment of dysfunctional manner. But team phenomena are often not trivial to interpret. Empirical studies can disclose practical information. Many kinds of research with...

Requirements Engineering (RE) contains many different practices to elicit, communicate and document customer requirements. Developers need to understand these requirements properly in order to achieve project success by fulfilling them [1]. A prerequisite for developers’ understanding of relevant requirements and their meaning is successful require...

Efficient team communication is essential for software project success. Misunderstood or underestimated demands on customer requirements and insufficient information sharing within a team can rapidly cause the delay of software releases, hamper customer satisfaction or even endanger the project succeed. The challenges remain to quantify the right a...

In software development projects, documents are very important for sharing requirements and other information among employees. However, information can be transported in different ways. Conversations, meetings, workshops and emails convey and impart information as well. Especially large companies struggle in dealing with unclear and incorrect infor...

Communication is an essential part of software product development. Therefore, communication is an inevitable means for information sharing. For example, ill-communicated requirements, guidelines or decisions complicate working in a team and may threaten project success. Hence, monitoring communication behavior can help fostering project success by...