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Wyświetlanie 1-2 z 2
Tytuł:
An investigation into extraverts’ and introverts’ speaking anxiety in English classes
Autorzy:
Hamedi, Seyyedeh Maryam
Akbari, Omid
Hamedi, Seyyedeh Mina
Powiązania:
https://bibliotekanauki.pl/articles/2011747.pdf
Data publikacji:
2015-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
extraversion
public speaking anxiety
speech fluency
speech accuracy
Opis:
The presented study aimed at investigating the relationship between the extraversion level and speaking anxiety in the English as a Foreign Language (EFL) context on the one hand, and testifying the relationship between the extraversion degree and speech fluency and speech accuracy, on the other hand. To this end, 60 advanced university students, including 12 males and 48 females, participated in the study at the quantitative phase, and 28 of them, including 14 from the extraversion levels, and 14 from the introversion levels, were observed on their oral performance at the qualitative phase. Based on Spearman’s Rank Order Correlation using SPSS in the quantitative section, the findings revealed a strong negative correlation between the extraversion level and public speaking anxiety, on the one hand, and a strong positive correlation between the extraversion degree and speech fluency in the qualitative phase, on the other hand. Speech accuracy revealed having no significant correlation with the extraversion degree. Indeed, extraversion and introversion seem to be the major personality differences that have attracted the attention of psycholinguists, in particular Dornyei (2005); henceforth, it would be worth clarifying the underlying characteristics of this construct to gain a more comprehensive view of these personality type indicators, respectively.
Źródło:
The New Educational Review; 2015, 41; 146-157
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Cold Eddy on Acoustic Propagation (Case Study : Eddy in the Persian Gulf)
Autorzy:
Mahpeykar, Omid
Ashtari Larki, Amir
Akbari Nasab, Mohammad
Powiązania:
https://bibliotekanauki.pl/articles/31339990.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Persian Gulf
cold eddy
transmission loss (TL)
acoustic propagation
BELLHOP model
Opis:
It is essential for oceanographers to study the effects of marine phenomena such as currents, surface mixed layer, eddies, internal waves, and other ocean features on acoustic propagation, as most marine measurement equipment operates on this basis, like sonar. The eddy impact on acoustic transmission in the marine environment is very significant because changes in temperature and salinity disrupt the sound speed due to the presence of eddy, thus the acoustic propagation in the sea. Although cold eddies are in the Persian Gulf widely, one eddy is selected to study their impacts on acoustic propagation because they have similar properties in terms of temperature and salinity. In this research, after identifying eddies in the Persian Gulf automatically, the effect of a cold eddy on acoustic propagation was investigated at different depths using the BELLHOP model. Most eddies are cyclonic with 5–10 km of radius based on algorithm outputs. Studies on the lifespan of eddies showed that the occurrence of cyclonic eddies with a lifespan of more than three days is more than anticyclonic ones. Examination of the eddy effect on acoustic propagation showed that the transmission loss (TL) during the progress of the acoustic wave across the eddy increases with increasing the depth of the sound source. Also, the presence of cold eddy compared to the conditions it does not exist increases the transmission loss. The study of three-dimensional acoustic propagation also confirmed the obtained results in two-dimensional mode and clearly showed the role of cold eddy in increasing the TL.
Źródło:
Archives of Acoustics; 2022, 47, 3; 413-423
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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