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DIBELS ( Dynamic Indicators of Basic Early Literacy Skills) is a series of short tests designed to evaluate key literacy skills among students in kindergarten through 8th grade, such as phonemic awareness, alphabetic principle, accuracy, fluency, and comprehension. The theory behind DIBELS is that giving students a number of quick tests, will ...
Lenna (or Lena) is a standard test image used in the field of digital image processing, starting in 1973. [ 1] It is a picture of the Swedish model Lena Forsén, shot by photographer Dwight Hooker and cropped from the centerfold of the November 1972 issue of Playboy magazine. The image has attracted controversy in recent years because of its ...
The nuclear weapons tests of the United States were performed from 1945 to 1992 as part of the nuclear arms race. The United States conducted around 1,054 nuclear tests by official count, including 216 atmospheric, underwater, and space tests. [ 1 ][ notes 1 ] Most of the tests took place at the Nevada Test Site (NNSS/NTS) and the Pacific ...
Fundus photography involves photographing the rear of an eye, also known as the fundus. Specialized fundus cameras consisting of an intricate microscope attached to a flash enabled camera are used in fundus photography. The main structures that can be visualized on a fundus photo are the central and peripheral retina, optic disc and macula.
Peabody Picture Vocabulary Test. The Peabody Picture Vocabulary Test, the 2007 edition of which is known as the PPVT-IV, is an untimed test of receptive vocabulary for Standard American English and is intended to provide a quick estimate of the examinee's receptive vocabulary ability. It can be used with the Expressive Vocabulary Test-Second ...
Nuclear testing at Bikini Atoll consisted of the detonation of 23 (or 24 [ a]) nuclear weapons by the United States between 1946 and 1958 on Bikini Atoll in the Marshall Islands. Tests occurred at 7 test sites on the reef itself, on the sea, in the air, and underwater. [ 2] The test weapons produced a combined yield of about 77 Mt of TNT in ...
Digital test images generated following the RP 219:2002 specifications and adapted to perfectly fit 114 standard and non-standard resolutions for both 16bpp and 8bpp, are freely available in the COLOR dataset of the TESTIMAGES archive. [16] Later RP 219:2002 became RP 219-1:2014, with RP 219-2:2016 [28] and ARIB STD-B66 [29] adding details for UHD.
The product, the Dynamic Indicators of Basic Early Literacy Skills or DIBELS, has become the most widely used assessment in Reading First schools. While DIBELS was one of many screening tools on the market that could have been used to perform Reading First assessments, according to the OIG, only DIBELS was featured in the academy materials."