A nomological network (or nomological net[1]) is a representation of the concepts (constructs) of interest in a study, their observable manifestations, and the interrelationships between these. The term "nomological" derives from the Greek, meaning "lawful", or in philosophy of science terms, "law-like". It was Cronbach and Meehl's view of construct validity that in order to provide evidence that
This article contains a representative list of notable databases and search engines useful in an academic setting for finding and accessing articles in academic journals, institutional repositories, archives, or other collections of scientific and other articles. Databases and search engines differ substantially in terms of coverage and retrieval qualities.[1] Users need to account for qualities a
In sociology and statistics research, snowball sampling[1] (or chain sampling, chain-referral sampling, referral sampling[2][3]) is a nonprobability sampling technique where existing study subjects recruit future subjects from among their acquaintances. Thus the sample group is said to grow like a rolling snowball. As the sample builds up, enough data are gathered to be useful for research. This s
In 1999, the British Film Institute surveyed 1,000 people from the world of British film and television to produce a list of the greatest British films of the 20th century. Voters were asked to choose up to 100 films that were "culturally British".[1] The 1960s head the list with 26 films of merit for the decade. The most represented years, with four films each, are 1949, 1963, and 1996. The earli
This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Comparison of real-time operating systems" – news · newspapers · books · scholar · JSTOR (June 2024) (Learn how and when to remove this message) This is a list of real-time operating systems (RTOSs). Thi
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