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Miami Dade, Colombia

Escarpio R.,Miami Dade College | Barbetta P.M.,United International University Dhanmondi
Journal of Emotional and Behavioral Disorders | Year: 2015

This study used an alternating treatments design to compare the effects of three conditions on the reading fluency, errors, and comprehension of four, sixth-grade students with emotional and behavioral disorders (EBD) who were struggling readers. The conditions were (a) repeated readings in which participants read three times a passage of 100 or 150 words, (b) non-repeated readings in which participants sequentially read a passage of 100 or 150 words once, and (c) equivalent non-repeated readings in which participants sequentially read a passage of 300 or 450 words, equivalent to the number of words in the repeated readings condition. Also examined were the effects of the three repeated reading practice trials per sessions on reading fluency and errors. Overall, the results showed that with repeated readings, participants had the best outcomes in reading fluency, errors per minute, and correct answers to literal comprehension questions. Under an enhanced phase (i.e., increased reading levels and/or passage length), the positive effects during repeated readings were more demonstrative. During repeated readings, from Practice Trial 1 through Practice Trial 3, all participants improved their reading fluency and reduced their reading errors. © 2015, © Hammill Institute on Disabilities 2015.

Messmer P.R.,Miami Dade College | Zalon M.L.,University of Scranton | Phillips C.,University of Ottawa
Applied Nursing Research | Year: 2014

The American Nurses Foundation (ANF) grant program has been successful in funding nurse researchers' initial research studies for nearly 60 years. (ANF, 2013). From 1955-2012, over 1,000 ANF scholars have been identified through this historical nursing research study. Over the years, obtaining an ANF grant has become increasingly competitive for scholars. The environment supportive of research is evident from the schools that are the top recipients of grants. The ANF has a proud legacy of scholars who have and continue to make contributions to the advancement of nursing science. The paths forged by the ANF scholars illustrate the significant role that small grant programs play in the evolvement of nursing research and the expansion of nursing science. © 2014 Elsevier Inc.

Fattoyev F.J.,Texas A&M University-Commerce | Fattoyev F.J.,Institute of Nuclear Physics of Uzbekistan | Carvajal J.,Texas A&M University-Commerce | Carvajal J.,Miami Dade College | And 3 more authors.
Physical Review C - Nuclear Physics | Year: 2013

Using a set of model equations of state satisfying the latest constraints from both terrestrial nuclear experiments and astrophysical observations, as well as state-of-the-art nuclear many-body calculations of the pure neutron matter equation of state, the tidal polarizability of canonical neutron stars in coalescing binaries is found to be a very sensitive probe of the high-density behavior of nuclear symmetry energy, which is among the most uncertain properties of dense neutron-rich nucleonic matter. Moreover, it changes less than ±10% by varying various properties of symmetric nuclear matter and symmetry energy around the saturation density within their respective ranges of remaining uncertainty. © 2013 American Physical Society.

Reese B.K.,Texas A&M University | Finneran D.W.,Miami Dade College | Mills H.J.,Texas A&M University | Zhu M.-X.,Ocean University of China | Morse J.W.,Texas A&M University
Aquatic Geochemistry | Year: 2011

The accurate and precise measurement of total sulfide has been of major interest for well over a century. The most commonly used method involves the formation of a methylene blue-sulfide complex and spectrophotometric measurement of its concentration. The study presented herein compares the two most commonly used methods as outlined in Standard Methods for the Examination of Water and Wastewater (in APHA, Standard methods for the examination of water and wastewater, Washington, 1960) and by Cline (Limnol Oceanogr 14:454-458, 1969). In addition, this study clarifies the existing confusion of Cline's reagent preparation procedure, as it is apparent that various interpretations exist among research groups regarding reagent preparation. After evaluating both methods with respect to precision and accuracy, detection limit, sample storage time, and ease of use, the method outlined in Cline was determined to be superior. Furthermore, we suggest that the reagent concentration has to be optimized depending on the range of sulfide concentrations to increase the accuracy and precision of the method. © 2011 Springer Science+Business Media B.V.

Perez-Benedico D.,Miami Dade College
European Journal of Human Genetics | Year: 2016

In spite of the wealth of available cultural and archeological information as well as general interest in the Mayans, little is known about their genetics. In this study, for the first time, we attempt to alleviate this lacuna of knowledge by comprehensively investigating the Y chromosome composition of contemporary Mayan populations throughout their domain. To accomplish this, five geographically targeted and ethnically distinct Mayan populations are investigated using Y-SNP and Y-STR markers. Findings: overall, the Mayan populations as a group are highly homogeneous, basically made up of only two autochthonous haplogroups, Q1a2a1a1*-M3 and Q1a2a1*-L54. Although the Y-STR data illustrates diversity, this diversity, for the most part, is uniformly distributed among geographically distant Mayan populations. Similar haplotypes among populations, abundance of singletons and absence of population partitioning within networks among Mayan populations suggest recent population expansion and substantial gene flow within the Mayan dominion, possibly due to the development of agriculture, the establishment of interacting City–State systems and commerce.European Journal of Human Genetics advance online publication, 9 March 2016; doi:10.1038/ejhg.2016.18. © 2016 Macmillan Publishers Limited

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