Mobile applications are an important but fast changing piece of the digital forensics’ world. For mobile forensics researchers and field analysts, it is hard to keep up with the pace of the ever-changing world of the newest and most popular applications teens are using. Mobile forensic tools are quickly becoming more and more supportive of new applications, but with how quickly apps are changing and new ones being released, it is still difficult for the tools to keep up. The research question for this project examines to what extent digital forensic tools support new and emerging applications seen recently in investigations involving teenagers? For this research, a survey was conducted asking digital forensic analysts, and others who investigate digital crimes, what applications they are coming across most frequently during investigations involving teens and whether those applications are being supported by forensic tools. The top three applications from the survey that were not supported by mobile forensic tools, Monkey, Houseparty, and Likee were populated onto a test device and then evaluated and analyzed to see what forensic artifacts were found in those applications. The mobile application artifacts were then compared on two different forensic tools to see which tool obtains the most forensic artifacts from the applications. Through the examination and analysis of the applications and data contained within the apps, it was determined that 61% of the populated forensic artifacts were recovered manually and only 45% were recovered by a forensic tool for the Monkey application. 100% of the populated forensic artifacts were recovered manually and only 29% were recovered by a forensic tool for the Houseparty application. 42% of the populated forensic artifacts were recovered manually and only 3% were recovered by a forensic tool for the Likee application. It was found that the extent of support from digital forensic tools for these types of applications depends greatly on how the application stores the artifacts, but the artifact extraction support was limited for all applications. This research benefits in helping researchers and analysts by understanding the data and artifacts contained within the applications, what forensic artifacts are recoverable, and where to find those important artifacts. This research can help in finding important evidence for future investigations.<br>

The diploma thesis "Fake News: Methods of assessing and verifying fake news by their recipients" is focused on the ways of evaluating media content by their recipients and the factors that affect the assessment process in the context of fake news phenomenon. The purpose of the thesis is to find out how people perceive the content they read; what affects their perception; and what are the criteria that govern their assessment. The theoretical part first defines the concept of fake (false) news, among other things in connection with the overuse of the term fake news. In the next chapters, the current role of the media and the issue of credibility and trust in the media are approached. The conclusion of the theoretical part discusses the social and psychological assumptions that affect the perception and actions of recipients. The second part presents the research background of this thesis. The research is based on a combination of qualitative and quantitative inquiry. The qualitative approach is focused on the description of the processes and criteria used by the recipients in assessing and verifying the news. Data collection is therefore realized through eight semi-structured interviews, which are analysed by the open coding method. The quantitative research part is based on hypotheses about the...

The following master's thesis deals with the issue of media literacy in relation to elderly population. The theoretical basis of this work contains of the theory of media literacy and media education, which is regarded to as a tool for cultivating media literacy. In addition to media education, the work also presents other ways to acquire media competencies, which are so needed in today's information society. After the introduction of theoretical approaches to media literacy, there is also a description of selected methods applied to determine the level of media literacy. The next part includes a description of media literacy in relation to senior citizens who form a very specific group in this area. As part of my own research survey, the level of media literacy in a group of 12 senior citizens is mapped on the basis of a proposed tool for determining the level of media literacy, which is based on the presented theoretical approaches. Qualitative research includes a detailed analysis of data, which were collected through interviews with the target group and which were supplemented by practical exercises. Media literacy research focuses on the area of knowledge, abilities and skills, and patterns of media use. According to the collected and analyzed data, a description of all respondents is...

This qualitative study investigates people's media use and engagement on social media. By combining prompts material and qualitative interviews with theories such as the social mediated crisis communication model (Austin et al., 2012) and uses and gratifications theory (Katz et al., 1973; McQuail, 1984), it is delimited to drawing insights into how people themselves seek information in crisis situations but also how they prefer to get information about different crises mainly to national and local levels. These perspectives enhance the study and cover perspectives in people's behaviour regarding crisis information through different perspectives on people's media usage and behavior concerning information seeking about crises in different environments such as social media but also traditional media. Moreover, this study is centred around social media use, information seeking, information vetting, and information sharing. Further, misinformation, information sharing by influential people and organisations on digital platforms are also brought up and discussed in this study, which gives background to tendencies of motivation to people’s behaviour concerning perceiving and seeking information in a digital landscape versus traditional media.  In addition, the current state of digitalisation has provided new ways of extending mass communication than more traditional communication methods such as television, radio, and newspapers (McQuail, 2010; Lindgren, 2017). In crisis, the digital landscape therefore presents an opportunity to spread and receive information, including crisis information, through means such as the Internet and social media platforms (Eriksson, 2018; Lindgren, 2017). This makes it a useful tool for organisations when it comes to crisis communication, providing more timely and punctual communication to a wider audience and stakeholders. Thus, it is important for authorities, organisations and society to understand how civilians receive and interpret the meaning of crisis information, recognising that digitalisation has evolved ways in which people receive and interpret information (Castells et al., 2007; Lindgren, 2017; McQuail, 2010). By understanding how crisis information is perceived and interpreted by individuals in the digital landscape, it enables development of effective crisis communication strategies to emerge, making it an important aspect within crisis communication research (Austin et al., 2012; Jin &amp; Pang, 2010; Vigsø, 2016). / Denna kvalitativa studie undersöker människors medieanvändning och engagemang på sociala medier. Genom att kombinera stimulimaterial och kvalitativa intervjuer med teorier som social mediated crisis communication model (Austin et al., 2012) och uses and gratifications theory (Katz et al.,1973; McQuail, 1984) avgränsas den till insikter om hur människor själva söker information i krissituationer men också hur de föredrar att få information om olika kriser på nationell och lokal nivå. Dessa perspektiv förstärker studien och täcker in perspektiv i människors beteende kring krisinformation genom olika perspektiv på människors medieanvändning och beteende kring informationssökning om kriser i olika miljöer såsom sociala medier men även traditionella medier. Denna studie är centrerad kring användning av sociala medier, informationssökning, informationskontroll och informationsdelning. Misinformation,  informationsdelning av inflytelserika personer och organisationer på digitala plattformar tas också upp och diskuteras i denna studie vilket ger bakgrund till underliggande tendenser av motivation till människors beteende när det gäller att uppfatta och söka information i ett digitalt landskap kontra traditionella medier i kontext av kris. Dessutom har digitaliseringens nuvarande tillstånd gett nya sätt att utvidga masskommunikation än mer traditionella kommunikationsmetoder som TV, radio och tidningar (McQuail, 2010; Lindgren, 2017). I kris ger det digitala landskapet därför en möjlighet att sprida och ta emot information, inklusive krisinformation, genom medel som Internet och sociala medieplattformar (Eriksson, 2018; Lindgren, 2017). Detta gör det till ett användbart verktyg för organisationer när det kommer till kriskommunikation, vilket ger mer läglig och punktlig kommunikation till en bredare publik och intressenter. Därför är det viktigt för myndigheter, organisationer men även samhället  att förstå hur människor tar emot och tolkar innebörden av krisinformation, med insikt om att digitaliseringen har utvecklat ett nytt sätt för människor i  hur de tar emot och tolkar information (Castells et al., 2007; Lindgren, 2017; McQuail , 2010). Genom att förstå hur krisinformation uppfattas och tolkas av individen i det digitala landskapet, möjliggör den därför utveckling av effektiva kommunikationsstrategier i kris, vilket gör den till en viktig aspekt inom kriskommunikationsforskning (Austin et al., 2012; Jin &amp; Pang, 2010; Vigsø, 2016).

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政治功效意識普遍被學界認為是影響民眾政治態度與政治參與的重要因素之一，因為其為個人評估自己對政治事務瞭及影響能力的評估。另一方面，新聞媒介是提供民眾訊息的主要來源，從之前相關研究也發現，在民眾接觸大眾傳播媒介後，會對其政治態度造成一定程度的影響；不過，對於大眾傳播媒介的使用與政治功效意識的關聯，過去研究的結果則有不同的看法。因此，本研究試圖藉由非選舉與選舉時期的調查資料，透過民眾使用新聞媒介的習慣，來瞭解其與內在及外在政治功效意識的關聯。 研究結果顯示，不論是在非選舉或選舉時期，民眾的新聞媒介使用從注意程度與暴露程度觀察，電視是最主要的資訊來源，其次則為報紙。其餘廣播、新聞雜誌、網路等新聞媒介的使用率皆偏低；而電視與廣播政論性CALL-IN節目，有習慣收看、收聽的民眾也佔少數。 對於新聞媒介使用與政治功效意識關聯性的探討，在非選舉時期民眾對媒體所報導的新聞愈注意時，其內在及外在政治功效意識則可能愈高。不過，民眾收看電視新聞的時間愈長，其內在政治功效意識則可能愈低；但與外在政治功效意識的關係不顯著，代表與外在政治功效意識的高低沒有顯著的關係。 至於選舉時期，則是針對民眾接觸大眾傳播媒介報導的選舉新聞進行研究；發現民眾在選舉時期對於選舉新聞的接觸，與其政治功效意識的高低沒有顯著的關係。所以，由於政治功效意識是受到生活經驗長期培養而成，是深植於民眾心中長期穩定的政治態度；新聞媒介對於報導的選舉新聞則僅出現在接近選舉的一兩個月，因此這種短期因素較難與民眾的政治功效意識有顯著的關聯。 / Political efficacy is regarded as an important factor to influence political attitudes and political participation. On the other hand, mass media nowadays are the main sources to provide people political information and may furthermore influences people’s political attitudes. However, existed literarature shows different views about the relationships between the use of mass media and political efficacy. Therefore, the purpose of this research was to analyze the relationships between mass media use and their impact on internal and external political efficacy. By conducting secondary analysis of national surveys, which were collected during the period of election and non-election, this study has the following findings. First of all, television is the major news media for people to get information, and newspaper is second to it. Radio, magazine and internet are far below the importance of television and newspaper in acquiring political information. Second, our analysis shows that during the period of non-election, the more that people pay attention to news, the higher internal and external political efficacy they have. If people spend more time on watching news on television, they have less internal political efficacy. However, there is no correlation between the exposure of news media and external political efficacy. Finally, during the period of election, there is no correlation between the use of news media and political efficacy. It is inferred that because political efficacy is mostly influenced by people’s life-long experiences so it is stable in terms of political attitude. Therefore, it is not likely that election news will influence people’s political efficacy in a short period of time.

Im Rahmen der vorliegenden Diplomarbeit wurde das Mediennutzungsverhalten von älteren Menschen untersucht. Ausgangspunkt der Arbeit sind die demographische Entwicklung sowie der Wandel zu einer Informations- und Wissensgesellschaft in Deutschland. Aufgrund der steigenden Lebenserwartung und einer sinkenden Geburtenrate stehen einer zunehmenden Zahl älterer eine sinkende Zahl jüngerer Menschen gegenüber. Die Durchdringung nahezu sämtlicher Lebensbereiche mit Informations- und Kommunikationstechnologien stellt dabei für die älteren Bevölkerungsschichten aufgrund steigender physischer und psychischer Beeinträchtigungen eine größere Herausforderung dar. Ziel der Arbeit war es, ein Grundmodell zu entwickeln, welches die Einflussfaktoren auf das Nutzungsverhalten von Senioren in Bezug auf IP-basierte Medien abbildet und eine Vorhersage des Mediennutzungsverhaltens ermöglicht. Als Grundlage des Modells dienten die Theorie des geplanten Verhaltens und der Uses-and-Gratifications-Ansatz. Um das Modell zu entwickeln, wurden neben der Analyse der Literatur Leitfadeninterviews durchgeführt. In die Betrachtung wurde neben der Zielgruppe mit 65 bis 80 Jahren eine Gruppe im Alter von 50 bis 64 Jahren einbezogen. Der Vergleich beider Gruppen zeigte deutlich, dass die 50 bis 65-jährigen Probanden IP-basierte Medien bereits stärker in den Alltag integrieren und auch zur eigenen Unterhaltung nutzen, während die Gruppe der 65 bis 80-jährigen vorangig klassische Medien wie Fernsehen, Radio sowie Zeitung nutzt und fast außschließlich Informationen sucht. Für die jüngere Gruppe waren zudem Produkteigenschaften wie Ubiquität, Mobilität und Zeitunabhängigkeit der Nutzung von größerer Bedeutung. Es stellte sich in der Untersuchung auch heraus, dass die Gruppe zwischen 65 bis 80 Jahren ein sehr heterogenes Mediennutzungsverhalten besitzt. Dieses leitet sich aus der individuell wahrgenommenen Verhaltenskontrolle, der Einstellung gegenüber der Nutzung des Mediums und den Nutzungsmotiven ab, die zu sehr unterschiedlichen Erwartungen und Bewertungen IP-basierter Medien führen können. Aus den Interviews ließen sich außerdem spezielle Anforderungen und Gestaltungsempfehlungen ableiten, welche den Einstieg in neuartige IP-basierte Medien und die Mediennutzung nicht nur für ältere Menschen erleichtern können.

The purpose of this study was to explore the association between problematic social media use (PSMU) and self-rated health (SRH) among Swedish adolescent boys and girls, and additionally to examine whether perceived familial social support buffers against poor health in the same association. The study was based on the Health Behaviour in School-aged Children (HBSC) survey from 2017/2018. The study sample consisted of 3371 adolescents from 213 schools across Sweden. PSMU was used as the exposure variable, SRH as theoutcome variable, age and gender as control variables, and perceived familial social support was applied as a moderator between PSMU and SRH. The analyses performed in the current study was cross-tabulations, binary logistic regression, multiplicative and additive interaction analysis. The results revealed that there is a significant association between PSMU and SRHamong Swedish adolescents. Adolescents with moderate level PSMU had 2.77 higher odds of reporting less than good health (95% CI 2.00-3.84) in comparison to adolescents with low levels of PSMU. Adolescents with high level PSMU had furthermore 4.16 odds of reporting less than good health PSMU (95% CI 2.41-7.20) in comparison to adolescents with low levelPSMU. The association between PSMU and SRH remained statistically significant even after adjusting for age, gender, and perceived familial social support. The interaction analyses did moreover reveal that perceived familial social support may play a crucial role by mitigating the effects of high level PSMU on SRH among Swedish adolescents. In a conclusion, it is of vital importance to understand PSMU in relation to the social context to better understand PSMU and prevent young people from poor SRH. Future research may address the same association but in relation to other social factors, such as socioeconomic status, to achieveenhanced understanding over the association between PSMU and SRH and how to better prevent poor health among young people. Policy makers could furthermore introduce support programs for families/parents who feel they lack confidence in the ability to act as sufficient support, which may reduce the risk for poor health among young people.

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