Fladdermöss lever stora delar av sina liv i mörker och använder sig därför av ultraljudssignaler, istället för ljus, för att navigera och jaga. Om vi låter oss inspireras av fladdermössens navigeringsteknik, kan vi då också lära oss att upptäcka personer i ett rum med hjälp av ultraljud? Svaret på frågan är ja, det är möjligt att upptäcka mänsklig närvaro i ett rum genom att använda ultraljud. SjFinding a non-intrusive way of detecting human presence and counting the number of people in a room poses a challenging problem. This thesis presents a solution to said problem, utilizing ultrasound signals. Analysis of the echo and reverberation of ultrasound signals provides acoustic information about the surrounding environment, which is altered by potential occupants. By employing such a techn

Uppsatsen syftar till att återge rättsläget kring lojalitetsplikten, som är en allmän rättsprincip, i avtal om arbete. Med utgångspunkt i det traditionella arbetsrättsliga förhållandet mellan arbetsgivare och arbetstagare har vi undersökt hur lojalitetsplikten kan ges uttryck. Detta har sedan satts i relation till den lojalitetsplikt som omfattar konsulter och inhyrd personal. Lojalitetsplikten f

In the light of the importance of different methods for obtaining intelligence on criminal activity, a need for in-depth knowledge concerning confidential informants emerges. The following essay accordingly explored the relationship between confidential informants and their handlers, through a comparative case study. The field concerning confidential informant research is considered limited, in te

Intimate partner violence is a widespread problem both globally and in Sweden. A method called Intimate partner violence intervention (IPVI) was developed in the United States and has been introduced in Sweden, where it is currently being implemented in Malmö. Therefore, this study aimed to explore the implementation of the project Trygg relation - fri från våld in Malmö stad. The chosen method fo

The United Nations High Commissioner for Refugees (UNHCR) has estimated that around 120 million people are forcibly displaced around the world and about 32 million of them are refugees. Our aim with this study was to examine and demonstrate the process of forced migration from people's home countries based on a refugee perspective. The method used was a qualitative text analysis of autobiograp

Bakgrund: Småbarnsföräldrar står inför en komplex utmaning i att balansera familjeansvar med sina egna behov där nya rutiner skapas, prioriteringar förändras och rollen som förälder intas. Att hitta en balans mellan vardagens aktiviteter blir en viktig del för upplevd god hälsa och välbefinnande. Syfte: Syftet var att kartlägga kunskapsläget om småbarnsföräldrars subjektiva upplevelse av aktiviteBackground: Parents of young children face challenges in balancing family responsibilities and personal needs, as routines and priorities shift when parenthood is assumed. Achieving balance in daily activities becomes vital for perceived health. Aim: The aim was to chart the current state of knowledge regarding the subjective experiences of occupational balance among parents of young children. Met

The study “What is the meaning of unity, injustice and jihad?” examines the meaning-making of the famous preacher and later al-Qaeda member, Anwar al-Awlaki. The study focuses on three central themes: unity, injustice and jihad, and applies thematic narrative analysis with a theory-consuming approach to explore how the themes are constructed and function. The thesis is based on earlier works on na

This research aims to analyze the development of activation policies in Sweden from the 1990s to the present, with a particular focus on how legislative proposals and public inquiries (SOU) have redefined the perception of welfare recipients. The study investigates how recipients have been described in policy documents and how their rights and obligations have evolved. By examining these changes,

The Second World War (WW2) started in September 1939, by Germany invading Poland. Soon after, the Soviet Union attacked Finland, followed by the German invasion of Denmark and Norway in April 1940, thus Sweden found itself surrounded by war. As Sweden held a policy of neutrality during the war, it had to find ways of gathering information to maintain this policy and secure the country from espiona

There is an abandoned island in the center of Norrköping. It lays in the river Motala Ström and its future is constantly debated in the local press. People are longing for something to happen here. Historically, it has been a vivid place with small cafés, restaurants and small stages. During the 19th century it became a popular meeting point for the bourgeoise population in Norrköping which at the

The aim of this study was to understand, through interview-format podcasts, how individuals who have committed criminal acts from a young age described their pathway into crime and their process of desistance. Our study was based on a qualitative approach in the form of a thematic analysis of eight podcast episodes. We analyzed the empirical data using Howard S. Becker’s labeling theory (2006) and

This study examines Russia’s nuclear doctrine 2024 in the context of the evolving security landscape, particularly following the outbreak of the war in Ukraine in 2022. By utilizing discourse analysis and the process of securitization on governmental documents and statements, the study aims to answer the research question How can Russia’s nuclear doctrine be understood as an intention to construct

This essay examines the motives among personnel employed by the Swedish and American defense sectors who have unlawfully collected and shared classified information. A narrative text analysis is employed, based on constructivist theory. A text-analytical framework was developed to study two Swedish and two American cases to explore how these can be understood. The study reveals commonalities with

This study explores the involvement of five women in criminal networks, focusing on their pathways to crime, actions and motives. The method of choice was a qualitative content analysis with a comparative case study design. The cases were analysed with a theoretical framework consisting of gender perspectives and criminological theories, alongside a review of prior research and official reports. T

This essay examines Russia’s nuclear rhetoric in relation to the war in Ukraine, with a focus on the strategic and normative dimensions of deterrence and the nuclear taboo. By using Thomas C. Schelling’s theories of deterrence and signaling and Nina Tannenwald’s theory of the nuclear weapons taboo, the study analyze how Russia’s rhetoric and actions relate to the theories in question. The study us

This paper tests Joseph Hatfields theory regarding intelligence in autocratic states. Hatfields three points regarding autocratic states intelligence services are operationalized into six analytical questions. These are applied to two cases selected by the most/least likely method. The democratic, least likely, case is the United States by the Church Committee. This includes descriptions of the CI

Disclosure of Intelligence information and information regarding Intelligence operations can have both advantages and disadvantages. In a descriptive case study of three military operations against suspected underwater activities, the thesis examines, based on a content analysis, how these operations have been framed based on the concept of the intelligence dimension specifically constructed for t

Africa has often been a neglected continent that is riff with historical tensions. Russia has sought to exploit this by stoking what remains of colonial tensions, portraying themselves as decolonizers, while simultaneously utilizing active measures to achieve goals, political, economical, and militaral. This study aims to conduct a comparative case study, based on Lars Ulfvings definition of the

This essay investigates social factors behind why an individual within a security-sensitive organization could become an informant for criminal actors. Based on a pre-investigation report, a case study is conducted on the Swedish case of "Domstolskvinnan" (the Court Woman). The empirical material is analyzed using thematic content analysis and narrative analysis to identify personal and