DEVELOPMENT OF AUDIO-VISUAL LEARNING MEDIA
ON MOLECULAR GASTRONOMY MATERIAL
Wika
Rinawati, Adelia Salsabila
Universitas Negeri Yogyakarta, Indonesia
Email: [email protected],
KEYWORDS Molecular Gastronomy, Learning Media, Media Development |
ABSTRACT This research aims to: 1)
Develop audio-visual learning media on molecular gastronomy topics, 2)
Determine the feasibility of audio-visual learning media on molecular
gastronomy topics. This study is a research and development (R&D) study
through the 4D development model consisting of define, design, develop, and
disseminate. The results of the development of audio-visual learning media on
molecular gastronomy topics can be described as follows: a) The media has a
duration of 12 minutes and 15 seconds, b) The learning media format is in the
form of an mp4 video sized at 420.1 MB, c) The sections of the media are
divided into the opening stage, aperception
material, core material containing explanations about the definition of
molecular gastronomy, techniques in molecular gastronomy, practice of making
imitation caviar using gelification techniques,
evaluation quizzes, and conclusion, d) The media dissemination is done by
uploading it through the YouTube platform on the BOGA UNY channel with the
URL https://youtu.be/61-ZqZIXkSA. The results of the feasibility assessment
of audio-visual learning media on molecular gastronomy topics by subject
matter experts received an average score of 100%, which falls into the highly
feasible category. Evaluation by media experts resulted in an average score
of 95.19%, also classified as highly feasible. The assessment by students
yielded an average score of 84.29% on a small scale and 89.71% on a large
scale, both falling into the highly feasible category. Based on the feasibility
test results, the audio-visual learning media on molecular gastronomy topics
is declared highly suitable for use as a learning medium. |
INTRODUCTION
The development of technology and science has brought about changes in
various aspects of human life, including social, cultural, economic, and
educational aspects. Education also requires adjustments in line with these
developments, especially concerning learning in schools. One of the adjustment
factors related to learning is the use of appropriate teaching media in line
with technological advancements.
Teaching devices or media play a crucial role as intermediaries in the
learning process, helping teachers convey course content. (Wahid, 2018) emphasizes that learning media are useful for delivering course
content, stimulating the feelings, thoughts, attention, and abilities of
learners, thus supporting the learning process. The term "media"
comes from the Latin word "medium," meaning intermediary or
conveyance. According to (Budiman, 2016), media is defined as a means to convey messages or learning information
that the message sender intends to communicate to the message receiver. In the
context of teaching and learning activities, media is used as a tool to connect
messages or materials that teachers want to convey to students. Learning media
is defined as a tool used by teachers as an intermediary in conveying
information to students, according to (Pradilasari et al., 2019). Another definition of learning media is a medium or intermediary used
in the learning process, including aids used by teachers in teaching and tools
to convey messages from the learning source to the learning recipient by (Suryani et al., 2019).
Teaching media comes in various forms, and one type that can assist the
teaching and learning process is audio-visual media. According to (Atmaja, 2019), audio-visual media is divided into two types: static and motion
audio-visual media. An example of motion audio-visual media that we are
familiar with is instructional videos. Audio-visual media plays a crucial role
in the learning process, especially when teachers use it as a means to explain
materials to students. Audio-visual media provides various stimuli to students
due to its visual and auditory nature (Fitriyani, 2019). Observing images and listening to sounds simultaneously enhances
students' curiosity and the desire to continue watching the video to
completion. This opinion aligns with the function of learning media conveyed by
(Nurrita, 2018), which is one of the functions of learning media is to motivate
students to learn. With the development of learning media, it not only contains
artistic elements but also facilitates students in learning the course
materials, thereby increasing students' enthusiasm for learning (Haryoko, 2012).
The subject of food processing and presentation is intended for students
in vocational high schools majoring in Culinary Arts. Food processing and
presentation involve learning how to process food and present it attractively
and creatively. One of the topics in this subject is Molecular Gastronomy.
Molecular gastronomy deals with unconventional methods of food preparation and
presentation by incorporating scientific elements into the techniques of making
a dish, from processing to presentation (Winarno & Winarno, 2017). The application of molecular gastronomy techniques is rarely seen in
daily life and is not commonly encountered in our surroundings. This is because
the practice of molecular gastronomy requires special understanding.
Experiencing molecular gastronomy dishes comes with a significant cost, and not
every region has restaurants that serve dishes prepared using molecular
gastronomy techniques. This high cost is also consistent with the expensive
fees for molecular gastronomy courses.
Molecular gastronomy is included in the 2013 revised curriculum under
the food processing and presentation subject, and it is also part of the
independent curriculum included in the fundamentals of culinary subjects. The
difference between the molecular gastronomy materials in the 2013 revised
curriculum and the independent curriculum lies in the 2013 revised curriculum,
which includes basic competencies 3.25 and 4.25, requiring students to analyze and practice molecular gastronomy materials. In the
fundamentals of culinary subjects, molecular gastronomy is only covered as
general knowledge. One vocational high school using the 2013 revised curriculum
is SMK N 1 Ambal.
The learning process will run smoothly if the learning objectives can be
maximally achieved. Based on pre-observation results and interviews with the
subject teacher, the teacher at SMK N 1 Ambal Kebumen faces challenges, especially in teaching molecular
gastronomy to students. The teacher's challenges include a lack of in-depth
understanding of molecular gastronomy materials. Meanwhile, molecular
gastronomy has basic competencies 3.25 and 4.25, which require students to analyze and practice molecular gastronomy materials,
creating a gap between learning objectives and the reality of learning. Another
problem is that molecular gastronomy is a practical competence that requires
visualization, while the teacher only uses PowerPoint and a book on food
processing and presentation, including a book from Yudhistira
publisher, as a learning medium. The learning of molecular gastronomy does not
use instructional videos because the teacher has not found suitable and
easy-to-follow instructional videos.
The development of learning media is one effort to overcome these
problems, aligning with the theory presented by (Komalasari, 2019) regarding the principle of using learning media tailored to interests,
needs, and conditions. Efforts that can be made include developing audio-visual
learning media in the form of instructional videos to facilitate visualization
and understanding of molecular gastronomy materials. This is supported by the
theory presented by (Oktaviani, 2019) that audio-visual media is representative for clearly presenting
materials with demonstrations that can materialize visualization on
difficult-to-explain subjects. Based on the aforementioned issues, the
researcher is motivated to develop learning media that can be used to support
the students' learning process, specifically wanting to develop audio-visual
learning media in the form of instructional videos. Therefore, the researcher
is interested in conducting a study entitled "Development of Audio-Visual
Learning Media on Molecular Gastronomy Materials."
RESEARCH
METHOD
There are
three (3) methods or techniques used for data collection in this study, namely:
1) observation, which is a data collection technique that is more specific than
other data collection techniques because observation is not only limited to
people, but also other objects (Sugiyono, 2019) observation
activities are carried out during the learning process of food processing and
presentation. 2) Interviews, which are activities carried out to find out the
conditions and needs in the field. According to Estberg (in Sugiyono, 2019:
304). In this study, interview activities were carried out by asking several
questions to subject teachers and students in schools about the curriculum
used, competency achievements, and difficulties experienced then from the
results obtained will be studied for the development of learning media. 3)
Questionnaire, is a research instrument that contains a number of questions
used to obtain information from respondents (Suharsimi, 2013). In this study,
questionnaires were used as research instruments to determine the feasibility of
learning media. This questionnaire aims to evaluate learning media before
dissemination. The data sources used in this study
consisted of material experts, media experts, and grade XII students of
Vocational High Schools in the Ambal area which were divided into small-scale
and large-scale trials. Students are divided into 9 people for small-scale
trials and 30 people for large-scale trials (Sugiyono, 2018).
The
development procedure uses a 4D model with 4 stages, namely define, design,
development and dissemination. a) Define, the stage of determining and defining
learning requirements, namely: 1) Initial analysis, this stage contains
interview and observation activities at SMK N 1 Ambal involving teachers who
teach food processing and serving subjects as resource persons. The initial
analysis stage is useful for bringing up and establishing basic problems
encountered in learning. 2) Needs analysis, useful for determining what kind of
solution is appropriate and can help solve existing problems in accordance with
the curriculum, syllabus and applicable basic competencies. After observations
and interviews conducted, the need was found in order to overcome existing
learning problems, namely by developing audio-visual learning media on
molecular gastronomy material. 3) material analysis, which is the stage of collecting
theories about molecular gastronomy starting from understanding, techniques in
molecular gastronomy, tools, materials, manufacturing steps, and things that
must be considered in using molecular gastronomy techniques, especially
gelification techniques. The reference for the preparation of learning videos
is the syllabus of Food Processing and Presentation of SMK N 1 Ambal. Material
is obtained from various book sources, both physical books and e-books. 4)
Objective analysis, namely the results of the development of molecular
gastronomy learning media is expected to be a tool that facilitates teachers
and students in the learning process in Food Processing and Serving Subjects so
that it can help in achieving the learning objectives that have been set. b) Design,
is the stage of designing learning tools consisting of several steps, namely:
1) pre-production, is a stage that contains material identification, making
learning media scripts, determining talents, dubbers, and also determining
vendors as videographers and editors, listing tools and materials that will
later be used in the shooting process 2) production includes the shooting and
sound taking stages. The shooting stage was carried out in laboratory 114 of
culinary education at Yogyakarta State University. 3) Post-production, which is
the editing and mixing stage to combine all components into one learning video
according to the story board that has been made. c) Development, after becoming
a complete video then validated by material experts, media experts, and
development trials divided into small and large scale. At the development
stage, after the media gets expert validation, of course, input and suggestions
will be given on learning media products. The process of revising learning
videos is adjusted to the suggestions and inputs given at the validation stage
so that the media developed is even better. d) Disseminate is the stage of
dissemination of learning media products that have been developed and through
validation tests.
Gambar SEQ Gambar \* ARABIC 1. Proses
Pengembangan 4D
The data
analysis technique used in this study is descriptive statistics. Descriptive
statistics are statistics used to describe or describe the object under study
through sample or population data as it is, without conducting analysis and
making conclusions that are generally applicable (Sugiyono, 2019: 206). The
formula for calculating the eligibility percentage is as follows:
Information:
Percentage
= average score of each aspect or
all aspects
Score = sum of scores for each aspect
or all aspects
Maximum
score = total score of each aspect
The
percentage of data derived from questionnaires with the Likert scale can be
categorized into interval-scale data. To convert to ordinal scale, conversion
can be done by looking at the reference in the following table:
Table 1. Ordinal Scale Conversion
Range of Values |
Category |
>80% |
Very proper |
66% - 80% |
Proper |
56% - 65% |
Unproper |
<56% |
Very Unproper |
(Source: (Mulyatiningsih, 2011)
RESULTS AND
DISCUSSION
Define
At this
stage, namely making observations in learning in class XII of Vocational High
Schools in Kebumen during food processing and serving subjects and interviews
with teachers who teach food processing and serving subjects. Based on the
results of observations and interviews conducted, the following information was
obtained: 1) During learning, the teacher teaches with the lecture method and
gives tasks that must be done in the form of groups. When the assignment is
completed, it is presented in front of the class on a projector or LCD screen.
Learning tools used by teachers include textbooks, student worksheets,
whiteboards and projectors/LCDs to present PowerPoint presentations on group
assignments. In the learning process, the teacher only explains the material
through power point presentations and the display of the learning media is less
attractive because there are only pictures and explanatory text. 2) During the
learning process there are some students who talk to themselves and do not pay
attention to the teacher who is explaining the material. There are students who
focus on paying attention to the teacher when explaining, and others tend to be
passive. 3) The economic background of students is sufficient, in this case all
students already have gadgets / electronic devices. Gadgets owned by students
are used in the learning process in class because the learning process used
involves the use of technology such as to access material and tests through
google forms. 4) Teachers have difficulty teaching molecular gastronomy
material due to limited teacher knowledge and skills on the material and lack
of related learning media. 5) In general, the facilities in the school have
supported the use of technology-based media. The room used for teaching there is
LCD and Digital TV which is used to help the learning process. The school also
provides wifi that can be accessed by students and teachers to support the
learning process. From the define stage described in the initial analysis and
needs analysis, it resulted in the conclusion that learning media is needed
that can help visualize molecular gastronomy material so that it is easy for
students to understand. The media that is considered the most appropriate is
audio-visual learning media.
Design
The design
stage is divided into 3 stages, namely: 1) pre-production, including
identifying material about molecular gastronomy, making video scripts,
assigning vendors who serve as cameramen and talents, 2) production, including
shooting activities for shooting and recording audio, 3) post-production,
including the editing and mixing stages, namely uniting all pieces of video per
scene and audio into one unified video. The following are parts of audio-visual
learning media on molecular gastronomy material:
Table 2. Parts of Learning Media
No |
Scene |
Figure |
Information |
1. |
Opening |
|
Title “Video Pembelajaran Gastronomi Molekuler” |
2. |
Opening |
|
Displays
the names of students, supervisors, material expert validators and media
expert validators. |
3. |
Opening |
|
Explain
the learning video flow concept map |
4. |
Opening |
|
Displays
competency achievement indicators 3.25 and 4.25 |
5. |
Opening |
|
Display
learning objectives associated with competency achievement indicators |
6. |
Apperception
Material |
|
Explain
apperception material to provoke students' knowledge about molecular
gastronomy |
7. |
Core
material |
|
Explain
the meaning of molecular gastronomy |
8. |
Core
material |
|
Featuring
techniques in molecular gastronomy |
9. |
Core
material |
|
Explain
molecular gastronomy techniques one by one. This scene explains the deep
freeezing technique |
10. |
Core
material |
|
Segment
switching that addresses gelification techniques further |
11. |
Core
material |
|
Explain
the reasons for choosing the gelification technique for beginners, as well as
the additives used |
12. |
Core
material |
|
Explain
more about additives in gelification techniques and safety doses |
13. |
Core
material |
|
Segment
change of carrot caviar making practice as a complementary garnish to sushi
dishes |
14. |
Core
material |
|
Displays
the tools used in caviar-making practice |
15. |
Core
material |
|
Displays
the ingredients used in caviar-making practices |
16. |
Core
material |
|
Displays
a table of recipe formulas as a reference for making caviar |
17. |
Core
material |
|
Substitution
of segments of steps in the manufacture of caviar |
18. |
Core
material |
|
Explain
step by step making a gelatinous solution from carrot juice |
19. |
Core
material |
|
Explain
the process of caviar formation using a pipette dropped into cold salad oil |
20. |
Core
material |
|
Features
the process of plating caviar as a garnish on sushi dishes |
21. |
Core
material |
|
Displays
after plating along with
explanations of parts in the dish |
22. |
Core
material |
|
Segment
change on tips and tricks to
minimize failure in caviar making |
23. |
Core
material |
|
Explain
one of the tips and tricks in
minimizing failure in making caviar |
24. |
Quiz |
|
Quiz
segment change |
25. |
Quiz |
|
Presenting
quizzes for students to deepen their understanding of molecular gastronomy
material that has been delivered |
26. |
Closing |
|
View
production team credits |
Develop
The
learning media that has been completed will then be developed through an expert
validation process, development trials, and several product revision processes.
1)
Feasibility
test validation results
Validation
is carried out by material experts and media experts. The results of validation
by material experts and media experts are described as follows:
Table 3. Material Expert feasibility test Results
Learning Aspects |
Σ Score |
Σ Score Max |
Percentage |
Category |
Learning |
16 |
16 |
100% |
Very proper |
Material |
60 |
60 |
100% |
Very proper |
Benefit |
24 |
24 |
100% |
Very proper |
Averages |
100% |
Very proper |
Learning
media feasibility test by material experts based on all aspects of assessment,
learning media get a 100% feasibility percentage so that it is included in the
category of very feasible to be used as learning media.
Table 4. Feasibility Test Result Of Media
Experts
Learning Aspects |
Σ Score |
Σ Score Max |
Percentage |
Category |
Learning |
51 |
52 |
98,08% |
Very proper |
Material |
7 |
8 |
87,5% |
Very proper |
Benefit |
20 |
20 |
100% |
Very proper |
Averages |
95,19% |
Very proper |
Learning
media feasibility test by media experts based on all aspects of assessment,
learning media get a feasibility percentage of 95.19% so that it is included in
the category of very feasible to be used as learning media.
2)
Development trials
Trials of
developing audio-visual learning media on molecular gastronomy materials were
carried out by students who were divided into small-scale trials by 9 students
and large-scale trials by 30 students.
Table 5. Results of small-scale
development trials
Learning Aspects |
Σ Score |
Σ Score Max |
Percentage |
Category |
Learning |
148 |
180 |
82,22% |
Very proper |
Material |
90 |
108 |
83,33% |
Very proper |
Media |
245 |
288 |
85,07% |
Very proper |
User |
180 |
216 |
83,33% |
Very proper |
Benefit |
216 |
144 |
87,5% |
Very proper |
Averages |
84,29% |
Very proper |
The
results of small-scale development trials for learning media to students based
on all aspects of learning videos get an average feasibility percentage of
84.29% so that it is included in the category of very feasible to be used as a
learning learning media.
Table 6. Results of large-scale
development trials
Learning Aspects |
Σ Score |
Σ Score Max |
Percentage |
Category |
Learning |
548 |
600 |
91,33% |
Very proper |
Material |
311 |
360 |
86,38% |
Very proper |
Media |
858 |
960 |
89,38% |
Very proper |
User |
642 |
720 |
89,17% |
Very proper |
Benefit |
443 |
480 |
92,29% |
Very proper |
Averages |
89,71% |
Very proper |
The
results of large-scale development trials of learning media to students based
on all aspects of learning videos get an average feasibility percentage of
89.71% so that it is included in the category of very feasible to be used as a
learning media.
3)
Product revisions
Input or
revision from material experts and media experts is used as material for
improvement so that the resulting media is suitable for use as learning videos.
The improvement starts from the opening scene, namely adding the name of the
validator, adding the university logo at the beginning to the end of the video,
then adding learning outcomes. In the core material, the improvements made are
adding supporting images related to the additives used.
Disseminate
At the
disseminate stage, dissemination of the final product that has been declared
feasible is carried out. Dissemination is carried out by disseminating the
results of research and development of learning media through journals so that
they can become literature for readers on related material. Dissemination of
audio-visual learning media on molecular gastronomy materials is carried out
offline and online. Offline dissemination is carried out through teachers of
Food Processing and Serving Subjects, while online dissemination is carried out
through uploading learning media through the BOGA UNY Youtube platform with a
link https://youtu.be/61-ZqZIXkSA.
Discussion
Based on the conducted research, the first stage is "define."
In this phase, the researcher gathered information about the required product
based on the identified issues in the field. Interviews with teachers and
students revealed that Vocational High Schools in Ambal,
Kebumen, have learning facilities that support the
use of instructional media, including an available LCD projector. However, due
to time and budget constraints, instructional videos have not been developed by
teachers, and there is no suitable audio-visual instructional media for molecular
gastronomy that aligns with the learning competency achievements.
The "design" stage began with preparing the content for the
media and creating the video script. The script underwent consultations with
experts to ensure that the developed media would meet expectations and be
well-directed. Once approved by both media and subject matter experts, the
process moved on to the video production stage.
The production of media in this stage was considered complex, requiring
extensive preparation in terms of self-preparation, equipment, materials, and
location. The filming process took a considerable amount of time for each
scene, involving repetition until the desired results were achieved. After
completing the filming stage, the next step was audio recording, which required
a quiet location to avoid interference with the narrator's voice. Subsequently,
the editing and mixing stage commenced, a time-consuming process of selecting
and combining all scenes and images according to the established storyboard.
The editing process was repeated multiple times until the video met the
expected standards.
"Development" is the main stage in product development
research. The finished media product underwent validation by experts and was
revised as needed. Recommendations and input from subject matter and media
experts were instrumental in refining the product to meet user needs and ensure
its suitability for use.
Suggestions and feedback from experts included adding the names of
validators. Initially, only the researcher's and supervisor's names were
listed, but after improvement, the names of the content and media validators
were added. Another suggestion was to include learning achievements. Initially
absent, learning achievements for molecular gastronomy were added for KD 3.25
and KD 4.25 after improvement. Adding the university logo at the beginning and
end of the video was also recommended. This addition aimed to establish
copyright for the created instructional media. The final input was to include
additive materials in each molecular gastronomy technique. Initially,
explanations for each technique only featured the resulting product. After
improvement, images of additives such as sodium alginate and calcium lactate
were added to facilitate students' understanding of each molecular gastronomy
technique.
After the instructional media product underwent the revision and
improvement process, it can be concluded from the overall responses of the
experts and students that none of them rated the product as "very
inadequate." Only a small portion gave a rating of "adequate"
(3), while the majority gave a score of "very suitable" (4). Based on
the assessments from subject matter experts, media experts, and the
developmental trial with culinary students in grade XII, it can be interpreted
that the developed instructional audio-visual media for molecular gastronomy is
considered highly suitable for use as a learning resource/alternative
instructional media. Therefore, the developed instructional media is expected
to help and facilitate the learning process, both in the classroom and
individually, to better understand the material and enhance students'
competencies. This aligns with previous research on instructional videos
conducted by Priska Dayanti (2016), which concluded
that there was a significant difference between the experimental and control
groups, with the experimental group performing better.
The "dissemination" stage is the final phase of product
development, involving the distribution of the product that has undergone
feasibility testing and developmental trials and is free from the revision
stage. The instructional media product's dissemination was done by sharing the
video file with teachers of food processing and presentation subjects.
Extensive dissemination was also carried out by uploading the instructional
video to YouTube, making it accessible to everyone in need through the link https://youtu.be/61-ZqZIXkSA.
CONCLUSION
Audio-visual
learning media in molecular gastronomy material can be described as follows, a)
The media has a duration of 12 minutes 15 seconds, b) The format of learning
media in the form of mp4 videos measuring 420.1 MB, c) The sections of the
media are divided into the opening stage, perception material, core material
which contains an explanation of the understanding of molecular gastronomy,
techniques in molecular gastronomy, the practice of making imitation caviar
using gelification techniques,
evaluation quiz, as well as closing, d) Media dissemination is carried
out by uploading media through the youtube platform on the BOGA UNY channel
with the URL https://youtu.be/61-ZqZIXkSA.
The
feasibility test results of audio-visual learning media on molecular gastronomy
material by material experts received an average score percentage of 100% with
a very decent category. The results of the feasibility test by media experts
received an average score percentage of 95.19% in the very decent category. The
score of the feasibility trial results conducted on 30 students received an
average score percentage of 89.17% so that audio-visual learning media on
molecular gastronomy material was declared very feasible as a learning medium.
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Copyright holders:
Wika Rinawati,
Adelia Salsabila (2023)
First publication right:
Devotion - Journal of Research and Community
Service
This
article is licensed under a Creative
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