3. The Instrument of The Research
The instrument of the research is the researcher himself as the subject of the research. According to Farkhan, instrument of the
research can be defined as a tool or way, that is used to obtain the data or information in a research.
6
As the instrument of the research, the researcher conducts several things to accomplish the
objective of the research, such as reading the theory of semiotics. Then, classify the icon and symbol elements on the twelve
campaign posters of Greenpeace in climate change series. After that, analyse the data using the triadic concept of Charles Sanders
Peirce‟s theory.
4. The Unit of Analysis
The unit of analysis, which is used in this research is the twelve selected Greenpeace campaign posters in climate change
series which published ranging from January to December in 2014.
5. The Technique Data Collecting and Data Analysis
The technique data collecting that used in this research is bibliography technique using semiotics approach of Charles
Sanders Peirce ‟s theory. According to Subroto, bibliography
technique is the technique that use the written sources to obtain
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Ibid., p. 29.
data. The steps in collecting the data are start from downloading all the posters of Climate Change series from January till December
2014 in the official website of Greenpeace www.greenpeace.org
. Then, every datum or poster is arranged into the list and given
number in the folder. They are 42 campaign posters in climate change series that published from January till December 2014.
Moreover, there are twelve folders created and each folder contains three and more posters. Then, it is taken one poster for every
month by using simple random sampling, so there are 12 campaign posters. After the data are collected, the data are analyzed. The
texts and picture elements on the posters will be analyzed using the Triadic concept of Charles Sanders Peirce theory to explain the
semiosis process and find out the clear meaning of the signs. The last, the researcher makes conclusion from the data which had
analyzed.