This paper is mainly focused on research examines
how the use of mobile educational Duolingo application in teaching TOEFL
preparation of structure and written expression. It also discusses the encouragements
of the learner’s motivation and understanding through the process of learning in the classroom and home environment. Duolingo application, which enables free online language learning.
Duolingo explored, considered and tested in terms of
appropriateness and quality of an educational application tool in the
classroom. The goal of this paper first is to know the effectiveness Duolingo
in teaching TOEFL preparation of structure and written expression on twelfth
grade. Second is to know the learner’s response
to the application. The third is to examine the student’s
motivational impact from the use of Duolingo. The research findings hope to assist foreign languages teachers
and students who take part in foreign
languages courses which combining the use mobile learning educational
application in their process of learning.
researchers that explain the effectiveness of mobile technologies which can
help and improve student in language learning skills, especially in learning structure text. Mobile technologies know
gives the students to have high usability on learning, be easy and simple to
work with and some observe that mobile technology improve the satisfaction and
desire to learn useful (Viberg & Gronlund, 2013). They also found
that the disadvantages of the mobile device
for learning are the small keypad and the screen of mobile devices. It also very dependence on the use of the internet.
The other previous research conducted by Norshahila Ibrahim et al.
(2016) about the Effectiveness
Study on Multimedia Mobile Application for Children: Mfolktales Application, University
of Sultan Idris, Tanjung Malim, Perak, Malaysia. Their research paper discusses
the effectiveness testing for MFolktales Application to measure effectiveness
level in students’ comprehension performance after using the MFolktales mobile
application. It has a significant improvement
in the Experimental group so MFolktales
application can be considered as
There is a lot of Applications in Mobile devices
focuses on Education accessible by free of even premium on the internet. This
research paper focuses on examines the effectiveness of one of that MALL namely
Duolingo. The researcher uses this application in teaching the preparation of
section two in TOEFL which focuses only on practicing the student’s written
expression and structure. It examined how the process of language learning
through the application of Duolingo recognized by the students, and which
aspects and features in this application that motivate them to use it more in
their language learning process. To understand the Duolingo effectiveness,
three research questions were presented.