Open Access. Powered by Scholars. Published by Universities.®

Social and Behavioral Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

International and Area Studies

Purdue University

2014

Social sciences

Articles 1 - 2 of 2

Full-Text Articles in Social and Behavioral Sciences

Effects Of Online Oral Practice On Japanese Pitch Accentuation Acquisition, Mayu Miyamoto Apr 2014

Effects Of Online Oral Practice On Japanese Pitch Accentuation Acquisition, Mayu Miyamoto

Open Access Theses

Even though there is a constant learners' need for pronunciation instruction in a Japanese language classroom, some teachers are hesitant to include pronunciation instruction due to time constrains or lack of knowledge on how to teach pronunciation. These problems occur due to the fact that pronunciation instructions were mostly conducted in classrooms. Computer-Assisted Language Learning is a great way to overcome these problems since learners can practice pronunciation through an online program outside of class. For this reason, this study was conducted outside of class using an online program. This research investigated the effectiveness of online oral practice on Japanese …


Breakthrough Of Sub-Saharan Africa’S Agricultural Production In The 21st Century: The Role Of Foreign Aid, Jiangyi Qian Apr 2014

Breakthrough Of Sub-Saharan Africa’S Agricultural Production In The 21st Century: The Role Of Foreign Aid, Jiangyi Qian

Open Access Theses

Sub-Saharan African countries' agricultural production has accelerated in the twenty-first century. This study shows that aggregate African agricultural production exhibits a breakthrough after 2000. More specifically, agricultural production breakthroughs occurred in 24 sub-Saharan African countries after 2000. 15 of them were caused by yield improvement and 8 of them were caused by area expansion. These breakthroughs helped these countries meet their increasing food consumption demands and lower their dependency on agricultural imports. However, we also found these breakthroughs were fragile. In addition to the influences of recent natural disasters and drought, these fertilizer-enabled production accelerations might also have been negatively …