Method and system for controlling item exposure in computer based testing

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The Educational Testing Service patent solves the following problem:

Every year millions of conventional test paper-and-pencil governed by different national testing agencies. These tests are often "high stakes" testing in which important decisions about test-takers based, in part, to score in the test. Safe conventional paper-and-pencil testing, the large number of candidates taking the same or similar form linear test a few fixed administration dates scheduled across some period of time. "Acquisition" in this context means that a great deal of time and effort spent on the agency's attempt to ensure that no test-taker has access to the test questions in advance of the test administration. The frequency of something (ie, a test question) can be found in a single test-taker can be tightly controlled in advance of trial of policies that regulate the reuse of forms testing and the frequency of the candidates to retake the test.

Our analysis of this patent is as follows:

Educational Testing Service’s patent US 5841655 A deals with Method and system for controlling item exposure in computer based testing.
A method and system for that exposure control computer based testing. A set of parameters exposure control that represents the probability that something chosen from one thing clear administered a test rule for each item in the lake created by the computer based test simulation . The exposure control parameters can be initialized using the principle of less than one indicates the expected value after the trial simulations whole. The things that clearly established from the most attractive to least attractive service based on predefined criteria. The group argues exposure control is used to generate operant probabilities associated with each of these matters, and represents the probability that the items chosen administered given that desirable thing first administered. Things randomly chosen administered based on their corresponding operant probabilities. Padani be included in the list item, and when randomly selected, the set of factors that stimulus administered. The operant probabilities can adjust what security parameters described based on a desired level of security testing. A system for carrying out the measures included in a standard exposure control generator, something selector, and something administrators.

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Guidewire having hydrophilic coating

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The Medtronic, Inc. patent solves the following problem:

The present invention relates generally to medical guidewires. Particularly, the present invention relates to guidewires with hydrophilic coatings and methods for their fabrication.

Our analysis of this patent is as follows:

Medtronic, Inc.’s patent US 5840046 A deals with Guidewire having hydrophilic coating.
A pattern consists of a core wire with a coil end to its distal end. The coil tip includes a helically wound filament with neighboring instead of spaced apart a preselected distance. pattern coated with a polymeric material, typically a hydrophilic polysaccharide, such as hyaluronic acid or chondroitin sulfate. By properly selecting the spacing between the side instead of the top coil, the hydrophilic coating to adhere to the top coil in a way that did not penetrate the coil and not significantly interfere with the flexibility and bendability tip coil .

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Lactobacillus sake like strains, production and use of their exopolysaccharides

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The Quest International B.V. patent solves the following problem:

A large number of food products such as mayonnaises, dressings, margarines, spreads or low-fat or zero-fat alternative, be stabilized by polysaccharides as emulsion stabilizers or thickening agents. Also in the medical, pharmaceutical and cosmetic fields, polysaccharides used as emulsion stabilizers. Well known polysaccharides derived from a variety of plant seeds, for example guar gum from cyamopsis tetragonaloba (guar), or locust bean gum (LBG) from locust bean. The other well known sources are seaweeds, giving carrageenan, alginates or agar.

Our analysis of this patent is as follows:

Quest International B.V.’s patent US 5834043 A deals with Lactobacillus sake like strains, production and use of their exopolysaccharides.
New Lactobacillus sake like the kind given product from the meat, the kind to make a exopolysaccharide with shear-thinning properties, even at low concentration, and / or thickening and / or emulsion-strengthening properties.

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Enhanced electronic encyclopedia

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The Sheppard, Ii; Charles Bradford patent solves the following problem:

This invention relates to an improved encyclopedic references for use in an enhanced electronic media as well as a method for creating an enhanced electronic encyclopedia. Specifically, this invention relates to an enhanced encyclopedia selected articles expanded to increase the depth is encyclopedic information.

Our analysis of this patent is as follows:

Sheppard, Ii; Charles Bradford’s patent US 5832472 A deals with Enhanced electronic encyclopedia.
An enhanced electronic encyclopedia given. The encyclopedia includes a database of articles stored in one or more memories. The database includes articles based on the article entitled article, article text, and an objective rating. The database of articles also include supplemental articles corresponding to base article with a chosen goal rating. Each supplemental article an icon indicating the nature of the supplemental articles. encyclopedia also includes a processor, an input device and an output device. A method for creating an enhanced electronic encyclopedia also given.

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