Toxicological determinations are crucial to coroners' or medical examiners' judgments that drugs are significantly involved in a death. However, differences in laboratory procedures, thoroughness of screening, and limits of detection may result in artifactual differences in the toxicological results and the subsequent interpretations of them. To test this possibility, we conducted a toxicology ...

Airway Facilities maintenance technicians are being challenged to maintain proficiency on old equipment while learning new equipment. The new equipment is both more complex and more reliable. Greater reliability leads to infrequent opportunities to troubleshoot. Infrequent practice means degradation of the knowledge needed to troubleshoot complex equipment. An intelligent simulator can help tec...

Abstract Norton’s (1995) Investment Hypothesis in L2 learning that L2 learners who cherish and foresee a richer personality for themselves in their L2 context would thrive more diligently and consequently would both enrich their personality and achieve a higher proficiency in their new language was investigated in this study in the community of Iranian EFL students. The integration and mutual r...

the recent increase in the number of publications devoted to teaching the persian language to speakers of other languages and the development of such courses in iran and elsewhere signify a cultural movement. however, one of the shortcomings of this movement pertains to its oblivious stance to persian language proficiency. this paper aims at defining language proficiency bringing its importance...

this study was an attempt to examine the relationship between iranian efl students’ general knowledge of english and their use of english prepositions. to discover whether there was any sig- nificant relationship between efl university and high school students’ english proficiency level and their performance on a preposition test, three groups of beginning, intermediate, and upper intermediate ...

the aim of this study was to evaluate the utility of a proficiency testing program among limited number of local laboratories as an alternative to the iupac/citac guide on proficiency testing with a limited number of participants, specially where international schemes are not accessible. as a sample scheme we planned to determine aflatoxins (b1, g1, b2, g2, total) in iranian pistachio matrix. a...

Short-term memory (STM) for order information, as compared to STM for item information, has been shown to be a critical determinant of language learning capacity. The present fMRI study asked whether the neural substrates of order STM can serve as markers for bilingual language achievement. Two groups of German-French bilinguals differing in second language proficiency were presented STM tasks ...

OBJECTIVE The purpose of the study was to evaluate the efficacy of postoperative instruction on proficiency of eye drop instillation following cataract surgery, and to determine whether such proficiency correlates with the prevalence and/or duration of irritation and pain experienced in operated eyes. DESIGN This was a prospective, nonrandomized control trial with an educational intervention ...

In this chapter, the authors examined reading evaluation methods for foreign language learners based on learners' reading processes. The goal of this chapter is twofold. The first is to evaluate text reading, and the other is to evaluate sentence reading. First, the authors assessed a text reading test to evaluate reading proficiency based on reading process, that is, effective reading speed, w...

PURPOSE To measure the time needed to teach a series of martial arts techniques to proficiency. METHODS Fifteen volunteer subjects without any prior martial arts or self-defense experience were recruited. A panel of martial arts experts selected 21 different techniques including defensive stances, arm blocks, elbow strikes, palm strikes, thumbs to eyes, instep kicks and a carotid neck restrai...