CHAPTER III RESEARCH METHODOLOGY
3.1 Research Method
In writing this analysis, the writer applies the library research method. The method is done by reading and studying some books concerned with the topic of
the problem.
3.2 Population and Sample
A population is a group of individuals persons, objects, or items from which samples are taken for measurement while a sample is a finite part of a
statistical population whose properties are studied to gain information about the whole Webster, 2003: 966. The data of the analysis are collected from Agatha
Christie’s novel “Why Didn’t They Ask Evans” and also from the translation of this novel into bahasa Indonesia “Pembunuh di Balik Kabut” translated by
Mareta. The novel Why Didn’t They Ask Evans consists of 361 pages and 35 chapters. The first page starts on page 9, so the exactly number of pages consist of
352 pages. For the sake of efficiency the writer chooses some pages as the sample of the analysis. By using systematic sampling which is introduced by William G.
Cochran 1977:205, the samples can be selected by using formula N = nk, where N is number of populations, n is number of samples, and k is interval. Thus, with
N = 352, k = 10, the numbers of samples are: n =
k N
Universitas Sumatera Utara
n = 10
352 n = 35.2
n = 35 rounded off downward So, if the first sample is page 9, then the next samples are page 19, 29, 39 …349.
The population of this analysis is all sentences that contain shifts in the novel of Agatha Christie’s “Why Didn’t They Ask Evans” and also from the
translation of this novel into bahasa Indonesia “Pembunuh di Balik Kabut” translated by Mareta. The sample of this analysis is all sentences that contain
shifts in the 35 pages of sample. There are 607 sentences in the 35 samples and there are 410 sentences that contain shifts in the 35 page of samples.
3.3 Data Collecting Method
During the process of collecting data, the writer applied what Dede Oetomo says in Suryanto’s Metode Penelitian Sosial that there are three methods
of collecting data, i.e. interview, observation, and analysis on written documents such as quotation, notes, memorandum, publications and official reports, diaries,
and written answer to questioner and survey Suryanto 1995: 186. Since the data of this analysis are collected from Agatha Christie’s novel
“Why Didn’t They Ask Evans” and also from the translation of this novel into bahasa Indonesia “Pembunuh di Balik Kabut” translated by Mareta, the method
of collecting the data can be classified into the third method, it is analysis on written documents.
3.4 Data Analysis Method
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