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Pub Date: |
2013-03-00 |
Pub Type(s): |
Journal Articles; Reports - Research |
Peer Reviewed: |
Yes |
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Descriptors:
Phonemes; Vowels; Reading Fluency; Generalization; Elementary School Students; Grade 2; Accuracy; Word Lists; Novelty (Stimulus Dimension); Phonemic Awareness; Intervention
Abstract:
We examined the generalized effects of training children to fluently blend phonemes of words containing target vowel teams on their reading of trained and untrained words in lists and passages. Three second-grade students participated. A subset of words containing each of 3 target vowel teams ("aw," "oi," and "au") was trained in lists, and generalization was assessed to untrained words in lists, trained and untrained words in target passages, and novel words in generalization passages. A multiple probe design across vowel teams revealed generalized increases in oral reading accuracy for target words presented in both lists and passages for all 3 students on 2 vowel teams and for 1 student on all 3 vowel teams. Generalized increases in oral reading fluency in both lists and passages were found for all 3 students on the vowel team that was trained to a fluency criterion, with two students showing increases prior to training on the other two vowel teams. Implications of these results for building fluency in prerequisite phonemic awareness skills as an intervention for promoting generalized oral reading fluency are discussed.
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Pub Date: |
2013-04-00 |
Pub Type(s): |
Journal Articles; Reports - Research |
Peer Reviewed: |
Yes |
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Descriptors:
Gifted; Identification; Cognitive Ability; Intelligence; Screening Tests; Talent Development; Predictive Validity; Disproportionate Representation; Grade 2; Comparative Analysis; English Language Learners; Kindergarten; Grade 1; Correlation; Effect Size; Scores; Elementary School Students
Abstract:
The Naglieri Nonverbal Ability Test, Second Edition (NNAT2), is used widely to screen students for possible inclusion in talent development programs. The NNAT2 claims to provide a more culturally neutral evaluation of general ability than tests such as Form 6 of the Cognitive Abilities Test (CogAT6), which has Verbal and Quantitative batteries in addition to a Nonverbal battery. This study compared the performance of 5,833 second graders who took the CogAT6 and 4,038 kindergartners, first graders, and second graders who took the NNAT2 between 2005 and 2011 as part of a grade-wide screening for a gifted program. Comparison between minorities and Whites on the CogAT6 and the NNAT2 found slightly larger gaps on the CogAT6 Composite for Hispanics and English-Language Learners (ELL) but the same gap for Black students. Considered alone, the Nonverbal battery of CogAT6 produced smaller gaps than the NNAT2 for Blacks, Hispanics, Asians, and ELL students. Fisher's exact tests showed no significant differences between the CogAT6 Composite and the NNAT2 in subgroup identification rates at hypothetical cuts for gifted identification (top 20%, 10%, or 5%), except for Asian and ELL students. The CogAT6 Nonverbal score appeared to identify as many or more high-ability students from underrepresented groups as the NNAT2. Wechsler Intelligence Scale for Children, Fourth Edition, follow-up on the top 5% showed greater predictive validity for the CogAT6 Composite. These results suggest that gifted programs should not assume that using a figural screening test such as the NNAT2, without other adjustments to selection protocol, will address minority underrepresentation. (Contains 5 tables.)
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Pub Date: |
2013-03-00 |
Pub Type(s): |
Journal Articles; Reports - Research |
Peer Reviewed: |
Yes |
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Descriptors:
School Personnel; Reading Fluency; Emergent Literacy; Psychometrics; Equated Scores; Grade 2; Oral Reading; Elementary School Students; Factor Analysis; Measurement; Scores; Comparative Analysis; Error of Measurement; True Scores; Test Construction; Curriculum Based Assessment; Literacy; Validity; Reading Instruction; Reading Programs
Abstract:
Lack of psychometric equivalence of oral reading fluency (ORF) passages used within a grade for screening and progress monitoring has recently become an issue with calls for the use of equating methods to ensure equivalence. To investigate the nature of the nonequivalence and to guide the choice of equating method to correct for nonequivalence, the authors fit linear and nonlinear confirmatory factor analytic measurement models to Dynamic Indicators of Basic Early Literacy Skills (DIBELS) second-grade ORF passages routinely used for spring testing. They found evidence of nonlinear relations among passage scores that indicated equipercentile equating would be the best choice of equating method compared with mean or linear equating. The standard error of equating (SEE) with a sample of 600 participants was acceptable and less then two correct words per minute for equated scores from 0 to 150, which covers 95% and the useful range of scores. Consistent with the small SEE, the equating table also successfully removed all form differences in an independent sample of second graders. Given the widespread adoption of DIBELS in thousands of schools serving millions of students, equating all passages within a grade would substantially improve the quality of the tool and dramatically lower the assessment burden on school personnel. (Contains 5 tables and 5 figures.)
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Pub Date: |
2013-00-00 |
Pub Type(s): |
Journal Articles; Reports - Research |
Peer Reviewed: |
Yes |
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Descriptors:
Animals; Visual Stimuli; Pictorial Stimuli; Psychometrics; Reaction Time; Grade 2; Grade 4; Elementary School Students; Gender Differences; Cognitive Ability; Task Analysis; Geometric Concepts
Abstract:
In contrast to the well documented male advantage in psychometric mental rotation tests, gender differences in chronometric experimental designs are still under dispute. Therefore, a systematic investigation of gender differences in mental rotation performance in primary-school children is presented in this paper. A chronometric mental rotation task was used to test 449 second and fourth graders. The children were tested in three separate groups each with different stimulus material (animal drawings, letters, or cube figures). The results show that chronometric mental rotation tasks with cube figures--even rotated in picture plane only--were too difficult for children in both age groups. Further analyses with animal drawings and letters as stimuli revealed an overall gender difference in response time (RT) favoring males, an increasing RT with increasing angular disparity for all children, and faster RTs for fourth graders compared to second graders. This is the first study which has shown consistent gender differences in chronometric mental rotation with primary school aged children regarding reaction time and accuracy while considering appropriate stimuli. (Contains 3 figures.)
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