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t. e. In cryptography, a substitution cipher is a method of encrypting in which units of plaintext are replaced with the ciphertext, in a defined manner, with the help of a key; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth. The receiver deciphers the text by ...
Purpose. screen for ADHD. The Test of Variables of Attention (T.O.V.A.) is a neuropsychological assessment that measures a person's attention while screening for attention deficit hyperactivity disorder. Generally, the test is 21.6 minutes long and is presented as a simple, yet boring, computer game. The test is used to measure a number of ...
Chain letter. A chain letter is a message that attempts to convince the recipient to make a number of copies and pass them on to a certain number of recipients. The "chain" is an exponentially growing pyramid (a tree graph) that cannot be sustained indefinitely. Common methods used in chain letters include emotionally manipulative stories, get ...
On September 29, Boston University published a weekly report for positive COVID-19 test results. The week before, positive test results were lower. In that week, a greater number of students, faculty, and staff tested positive. A total of 0.05% of students, 0.07% of faculty, and 0.24% of staff had tested positive. October October 1–10
The SBE ( standards-based education) reform [2] movement calls for clear, measurable standards for all school students. Rather than norm-referenced rankings, [3] a standards-based system measures each student against the concrete standard. Curriculum, assessments, and professional development are aligned to the standards.
Academic achievement. Academic achievement or academic performance is the extent to which a student, teacher or institution has attained their short or long-term educational goals. Completion of educational benchmarks such as secondary school diplomas and bachelor's degrees represent academic achievement.
For example, Cities in France is a subcategory of Populated places in France, which in turn is a subcategory of Geography of France. Many subcategories have two or more parent categories. For example, Category:British writers should be in both Category:Writers by nationality and Category:British people by occupation. When making one category a ...
Child Behavior Checklist. The Child Behavior Checklist ( CBCL) is a widely used caregiver report form identifying problem behavior in children. [1] [2] It is widely used in both research and clinical practice with youths. It has been translated into more than 90 languages, [3] and normative data are available integrating information from ...