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With implicit personalization, personalization is performed based on data learned from indirect observations of the user. This data can be, for example, items purchased on other sites or pages viewed. [7] With explicit personalization, the web page (or information system) is changed by the user using the features provided by the system.
Quizlet made its first acquisition in March 2021, with the purchase of Slader, which offered detailed explanations of textbook concepts and practice problems, and eventually incorporated it into its paid platform, Quizlet Plus. [20] [21] [22] In November 2022, Quizlet announced a new CEO, Lex Bayer, the former CEO of Starship Technologies. [23]
There is a practice in social media sites: uploading avatars in place of real profile image. Profile picture is a distinct graphics that represent the identity of profile holder. It is usually the portrait of an individual, logo of an organization, organizational building or distinctive character of book, cover page etc.
Compared to static tests that nearly everyone has experienced, with a fixed set of items administered to all examinees, computer-adaptive tests require fewer test items to arrive at equally accurate scores. [2] The basic computer-adaptive testing method is an iterative algorithm with the following steps: [3]
To perform the test a number n statistically independent runs of the model are conducted and an average or expected value, E(Y), for the variable of interest is produced. Then the test statistic, t 0 is computed for the given α, n, E(Y) and the observed value for the system μ 0
Test data can be generated by the tester or by a program or function that assists the tester. It can be recorded for reuse or used only once. Test data may be created manually, using data generation tools (often based on randomness), [4] or retrieved from an existing production environment. The data set may consist of synthetic (fake) data, but ...
Multiple choice questions lend themselves to the development of objective assessment items, but without author training, questions can be subjective in nature. Because this style of test does not require a teacher to interpret answers, test-takers are graded purely on their selections, creating a lower likelihood of teacher bias in the results. [8]
Kelly Fiveash of The Register said that this could mean "a child's school life including exam results, attendance, teacher assessments and even characteristics" could be available, with third-party organizations being responsible for anonymizing any publications themselves, rather than the data being anonymized by the government before being ...