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This article has been peer reviewed and published immediately upon acceptance.It is an open access article, which means that it can be downloaded, printed, and distributed freely, provided the work is properly cited. Articles in "Folia Morphologica" are listed in PubMed.

Digital technologies in the modern era are almost mandatory for the presentation of all types of cultural heritage. Virtual depictions of crafts and traditions offer the users the possibility of time travel, taking them to the past through the use of 3D reconstructions of cultural monuments and sites. However, digital resources alone are not enough to adequately present cultural heritage. Additional information on the historical context in the form of stories, virtual reconstructions, and digitized objects is needed. All of this can be implemented using a digital multimedia presentation technique called digital storytelling. Nowadays, an integral part of many museum exhibitions is interactive digital storytelling. This paper gives an overview of the techniques and discusses different means of facilitating interaction on digital storytelling applications for virtual cultural heritage presentations. We describe the ways in which natural interaction and interaction via eXtended Reality (Virtual and Augmented Reality) applications for cultural heritage are made possible. Users will find the stories told through these applications educational and entertaining at the same time. Through user-experience studies, we measure the user edutainment level and present how users react to implemented interactions.

Cause-effect graphing is a commonly used black-box technique with many applications in practice. It is important to be able to create accurate cause-effect graph specifications from system requirements before converting them to test case tables used for black-box testing. In this paper, a new graphical software tool for creating cause-effect graph specifications is presented. The tool uses standardized graphical notation for describing different types of nodes, logical relations and constraints, resulting in a visual representation of the desired cause-effect graph which can be exported for later usage and imported in the tool. The purpose of this work is to make the cause-effect graph specification process easier for users in order to solve some of the problems which arise due to the insufficient amount of understanding of cause-effect graph elements. The proposed tool was successfully used for creating cause-effect graph specifications for small, medium and large graphs. It was also successfully used for performing different types of tasks by users without any prior knowledge of the functionalities of the tool, indicating that the tool is easy to use, helpful and intuitive. The results indicate that the usage of standardized notation is easier to understand than nonstandardized approaches from other tools. Index terms-software quality, black-box testing, cause-effect graph, graphical software tool.

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Bosnia and Herzegovina (BH) has a very picturesque past. Founded in 11th century, it has always been a crossroads of faiths and civilizations. Extended Reality (XR) technologies can finally take us to time travel into this history, enable us to experience past events and meet historical characters. In this paper, we overview the latest applications we developed that use Virtual Reality (VR) video, Virtual and Augmented Reality (AR) for interactive digital storytelling about BH history. “Nine dissidents” is the first BH VR documentary, tackling a still tricky subject of dissidents in the Socialist Yugoslavia, artists and writers falsely accused, persecuted and still forbidden. “Virtual Museum of Old Crafts” aims to present and preserve crafts intangible heritage through Virtual Reality. “Battle on Neretva VR” is recreating a famous WWII battle offering the users to experience it and meet comrade Tito, the commander of the Yugoslav Liberation Army. “Sarajevo 5D” shows the cultural monuments from Sarajevo that do not exist anymore in physical form using Augmented Reality. Through user experience studies, we measure the user immersion and edutainment of these applications and show the potential of XR for the presentation and preservation of cultural heritage.

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