Education specialists have differed about determining the best ways to detect the
talented. Since the appearance of the mental and psychological measurement movement, some
scholars adopted intelligence ratios as a criterion to identify the talented and others went to
rely on the degree of academic achievement. Each of these two methods has its own flaws and
mistakes and a large number of talented children were victims of these two methods.
Therefore the need to use other scales for the purpose of detection of talented children
appeared because they provide valuable information which may not be obtained easily
through objective tests and these scales are derived from consecutive studies of gifted andtalented children , or from the conduct of the life of the talented people and genius who left
their clear imprint in the history of human civilization and these scales are filled by teachers
or counselors staying stick to the talented children in school and some of them filled by
relatives and colleagues.
Therefore, the researcher has adopted two scales and makes a comparison between
them by extracting the psychometric properties in order to identify which one is better at
detecting talented.
The first measure is of (Renzulli, 1979) which estimates the behavioral traits of
gifted students in the areas of stimulus, learning, and creativity.
The second measure is of (Steinberg, 2010) in which he confirms on the three
abilities: analytical ability, creative ability, and the practical ability. He stressed on the
balance between these three abilities for the emergence of the talent of the child.
In order to achieve the goal of this research, the researcher has applied the scale on a
sample of gifted students consisted of (63) students into three schools for gifted students in
Baghdad, Najaf, and Basra. Twelve teachers were selected from schools who have teaching
experience of more than three years and are adjacent to the talented student monitoring his/her
behaviors. The researcher has reached, after extracting the psychometric characteristics of
each of the two scales, that both have high stability and high structure validity.
The researcher has recommended the adoption of the two scales as a basis for
detecting the talented by their teachers with the aim of sending those talented students to
private schools special for gifted students, or if these students are found in ordinary schools,
special classes and programs for the development and refinement of their talent are allocated
to them and make the utmost benefit of it. The researcher has suggested doing more on the
methods of the detection of talented and applied them early on the children before it is too
late.
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Breast cancer (BC) is one of the most frequently observed malignancy in females worldwide. Today, tamoxifen (TAM) is considered as the highly effective therapy for treatment of breast tumors. Oxidative stress has implicated strongly in the pathophysiology of malignancies. This study aimed to investigate the changes in the levels of oxidants and antioxidants in patients with newly diagnosed and TAM-treated BC. Sixty newly diagnosed and 60 TAM-treated women with BC and 50 healthy volunteers were included in this study. Parameters including total oxidant capacity (TOC), total antioxidant capacity (TAC), and catalase (CAT) activity were determined before and after treatment with TAM. The serum levels of TOC and oxidative stress index (OSI) were
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Abstract
A series of new 4(3H)-quinazolinone derivatives (S1-S4) were synthesized and characterized by FTIR,1HNMR and 13CNMR .Their cytotoxic activity against a set of human cancer cell lines MCF-7 (breast) and A549 (lung) was evaluated using MTT assay. To detect their selectivity toward cancer cells, the compounds were also tested against epithelial cells derived from normal human fibroblast (NHF). Methotrexate (MTX) was used as a reference for comparison . All the tested compounds exhibited toxicity against the normal cells lower than cancer cells. All the tested compounds displayed higher cytotoxicity against lung cancer cell line (A549) than MTX with the most
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This paper presents a point multiplication processor over the binary field GF (2233) with internal registers integrated within the point-addition architecture to enhance the Performance Index (PI) of scalar multiplication. The proposed design uses one of two types of finite field multipliers, either the Montgomery multiplier or the interleaved multiplier supported by the additional layer of internal registers. Lopez Dahab coordinates are used for the computation of point multiplication on Koblitz Curve (K-233bit). In contrast, the metric used for comparison of the implementations of the design on different types of FPGA platforms is the Performance Index.
The first approach attains a performance index
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Background: This in vitro study compares a novel calcium-phosphate etchant paste to conventional 37% phosphoric acid gel for bonding metal and ceramic brackets by evaluating the shear bond strength, remnant adhesive and enamel damage following water storage, acid challenge and fatigue loading. Material and Methods: Metal and ceramic brackets were bonded to 240 extracted human premolars using two enamel conditioning protocols: conventional 37% phosphoric acid (PA) gel (control), and an acidic calcium-phosphate (CaP) paste. The CaP paste was prepared from β-tricalcium phosphate and monocalcium phosphate monohydrate powders mixed with 37% phosphoric acid solution, and the resulting phase was confirmed using FTIR. The bonded premolars were exp
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