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Increasing minority children's participation in gifted classes using the NNAT: A response to Lohman.
According to Pearson, the NNAT may be used to evaluate:
The CogAT Nonverbal Battery (CogAT-N) measures roughly the same abilities as the Raven and the NNAT. Correlations between the three tests (N = 1,198) range from r = .62 to r = .65 (Lohman et al., 2008).
Moreover, they did not examine whether the children who score highly on the three tests--the Raven's Progressive Matrices (Raven's; Raven, 1947), the Naglieri Nonverbal Abilities Test (NNAT; Naglieri, 1997), and the Iowa Tests of Basic Skills (ITBS; Hoover, Dunbar, & Frisbie, 2001)--were actually gifted or not.
We did not find any signal for the gene products of the genes family member 1, proteolipid protein 1, neuronatin, or olfactomedin 1 (ZIC1, PLP1, NNAT, or OLFM1) with the antibodies described in Table 3.
The objectives of this research were as follows: i) to observe whether the development of cloned porcine embryos could be improved by TSA treatment; ii) to analyze the relationship between embryo development and changes in histone acetylation patterns by TSA treatment; and iii) to examine the effects of TSA treatment on the expression pattern of seven genes (OCT4, ID1, H19, NNAT, PEG1, Cytokeratin 8, and Cytokeratin 18).
The glucocorticoid receptor (Nr3c1) and 11[beta]-hydroxysteroid dehydrogenase type 2 (Hsd11[beta]2) are involved in glucocorticoid signaling and metabolism, respectively; neuronatin (Nnat) is a paternally expressed imprinted gene (12) present in the brain and shown to be involved in brain development; and reelin codes a protein known to be involved in the regulation of neuronal migration in the developing brain and in learning and memory processes.
The most promising instruments for assessing the strengths of CLD students are nonverbal tests of intelligence, such as the Naglieri Non-Verbal Ability Test (NNAT; Naglieri, 1997), Universal Non-Verbal Intelligence Test (Bracken & McCallum, 1998), and Raven's Progressive Matrices (Raven, Raven, & Court, 2003).
A second nonverbal abilities test that may be useful in selecting for ethnically diverse students who may be gifted is the Naglieri Nonverbal Abilities Test (NNAT).
Of these genes, only 10 genes have been reported to show imprinting in sheep (GTL2, DLK1, DAT, PEG11, antiPEG11, MEG8, MEST, IGF2, H19 and IGF2r; Killian et al., 2001), 8 in cattle (IGF2r, XIST, IGF2, GTL2, NESP55, H19, PEG3 and NNAT) and 3 in pigs (IGF2, IGF2r, and IGF2-AS, DLK1; University of Otago, 2006; Li et al., 2008).
All participants were identified as gifted based upon school district identification criteria of scoring at the 95th percentile rank or higher on either the Cognitive Abilities Test (CogAt) or the Naglieri Nonverbal Ability Test (NNAT).
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- Nnamdi Azikiwe
- Nnamdi Azikiwe
- Nnamdi Azikiwe University
- Nnamdi Azikiwe University Teaching Hospital