Page 2 - E-Voock by Naufal

PREFACE

Learning vocabulary by just memorizing words is slightly different

from learning vocabulary with instructional videos such as TED talks.

Instructional videos can be defined as visual tools that demonstrate,
teach, or explain a subject, process, or concept of something to

viewers (TED, 2019). Furthermore, instructional videos are videos that

are used to teach or train some purposes and essentially focus on

transferring knowledge, this includes establishing and explaining
several concepts and ideas as well as demonstrating several

processes. Therefore, TED talk can be classified as instructional videos

because it explains the concepts and subjects presented in the form

of public speaking presentations.
Moreover, EFL university students who used TED talks to study

English admitted that they learned how to speak in front of the

audience. They tried to imitate the speakers in TED talks and

practiced speech to make their performances in public speaking
more interesting. This phenomenon occurred because speakers in

TED talks played as instructors that explain concepts and ideas using

English vocabulary and sentences. In addition, instructional videos for

teaching second-language vocabulary often appear as the

instructor on the screen with movements and body gestures. This

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