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Social network analysis ( SNA) is the process of investigating social structures through the use of networks and graph theory. [ 1] It characterizes networked structures in terms of nodes (individual actors, people, or things within the network) and the ties, edges, or links (relationships or interactions) that connect them.
Cultural-historical activity theory ( CHAT) [ 1] is a theoretical framework [ 2] which helps to understand and analyse the relationship between the human mind (what people think and feel) and activity (what people do). [ 3][ 4][ 5] It traces its origins to the founders [ 6] of the cultural-historical school of Russian psychology L. S. Vygotsky ...
Activity theory. Activity theory ( AT; Russian: Теория деятельности) [ 1] is an umbrella term for a line of eclectic social-sciences theories and research with its roots in the Soviet psychological activity theory pioneered by Sergei Rubinstein in the 1930s. It was later advocated for and popularized by Alexei Leont'ev.
The main purpose of theories of second-language acquisition (SLA) is to shed light on how people who already know one language learn a second language. The field of second-language acquisition involves various contributions, such as linguistics, sociolinguistics, psychology, cognitive science, neuroscience, and education.
A relational database ( RDB[ 1]) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. [ 2] A database management system used to maintain relational databases is a relational database management system ( RDBMS ). Many relational database systems are equipped with the option of using SQL (Structured Query ...
Context analysis. Context analysis is a method to analyze the environment in which a business operates. Environmental scanning mainly focuses on the macro environment of a business. But context analysis considers the entire environment of a business, its internal and external environment. This is an important aspect of business planning.
Comparative historical research is a method of social science that examines historical events in order to create explanations that are valid beyond a particular time and place, either by direct comparison to other historical events, theory building, or reference to the present day. [ 1][ 2] Generally, it involves comparisons of social processes ...
Various categorizations of context have been proposed in the past. Dey and Abowd (1999) [3] distinguish between the context types location, identity, activity and time.Kaltz et al. (2005) [4] identified the categories user&role, process&task, location, time and device to cover a broad variety of mobile and web scenarios.