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The goal of this study was to provide normative scores and examine the psychometric properties of the Math Computation subtest of the Wide Range Achievement Test--IV (WRAT-IV) for Mexican adolescents after the completion of junior high school. We group-administered this subtest to 1,318 first-year Mexican high school students. We then obtained its overall internal reliability and examined its underlying factor structure. Finally, we determined its concurrent and criterion validity by evaluating a subsample of 106 students that included adolescents with mathematical difficulty, mathematical talent, and typical performance. Results showed that the subtest has a good internal reliability and appropriate psychometric characteristics, suggesting its appropriateness for the detection of adolescents with particular difficulty or ability in mathematics. The exploratory factor analysis identified three factors: arithmetic, fractions and basic algebra, and rational numbers. There were also sex differences in the number of correct responses, but the effect size was small.

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Purpose: To investigate the efficacy of pregabalin in the treatment of refractory partial seizures., Methods: This was a 21-week, open-label study of pregabalin (150-600 mg/day) as an adjunctive therapy in adults with refractory partial seizures. The study included an 8-week baseline period, a 9-week dose-optimization period, and a 12-week treatment-observation period. The primary assessment was mean percentage change in 28-day seizure rate between baseline and the last 12 weeks of treatment., Results: In total, 136 Mexican patients were included in this study (55.9% women; mean age/epilepsy duration, 35.2/22.9 years). The median and mean (95% confidence interval [CI]) 28-day baseline seizure rates were 3.9 and 7.8 (5.4-10.2), respectively. The mean (95% CI) reduction in seizure frequency was 51.2% (43.0-59.3) over the last 12 weeks of treatment, while the median reduction was 57.9%. The percentage of patients with a ≥ 5 0% or ≥ 75% reduction in seizure frequency was 63.6% and 48.8%, respectively. The percentage of patients who were seizure-free during the last 4 and 12 weeks of treatment was 40.5% and 20.7%, respectively. The most common adverse events were somnolence (39.7%), dizziness (16.2%), and weight gain (14.0%)., Conclusion: Pregabalin was well tolerated and associated with significant reductions in seizure frequency., (Copyright © 2012 Elsevier B.V. All rights reserved.)