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data analyzed in this research pertains to June 2008, September 2008, December 2008, March 2009, June 2009, September 2009, and January 2010 as replacement for
December 2009.
B. Sampling Technique
In this study, the researcher utilizes judgment or purposive sampling. In judgment sampling method, data collection relies solely on capability or personal
consideration Rodoni, et al., 2009: 17. Basically, population that will be used as research sample is a population that fulfills certain sample criteria in accordance with
researchers consideration. Furthermore, the chosen sample will be selected stringently as relevant as research sample Amelia, 2011: 52. Researcher then
explores the sample thoroughly, so become representative for any population. It is imperative to have a sample with in-depth and distinct characteristics,
what strata should be represented, depend upon scoring or consideration from the researcher perspective Amelia, 2011: 52. This is done so that the result obtained
more accurate. The criteria should be fulfilled as follows:
The observed companies are in electronics industry and belong to leading mobile phones, game console, PC, and TVs manufacturers.
The observed companies are assessed and ranked by Greenpeace in Guide to Greener Electronics with newly extended criteria started from eighth edition
on June 2008.
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The selected companies should be listed in Nasdaq quotation, either the stocks are traded in NASDAQ, NYSE, AMEX, or other over-the-counter OTC
market from June 2008 to January 2010. Other than NASDAQ listing, the companies will not be observed.
C. Data Collection Technique 1. Types of Data
Generally, data are classified into two -qualitative and quantitative. Qualitative data are not characterized by numbers, but rather are textual, visual, or oral; while
quantitative represents phenomena by assigning numbers in an ordered and meaningful way Babin and Griffin, 2010. Qualitative data relies on stories, visual
portrayals, meaningful characterizations, interpretations, and other expressive descriptions Babin and Griffin, 2010. Qualitative research is an exploratory nature,
while quantitative is more descriptive and conclusive.
2. Sources of Data
The data used in this research are secondary data. It is data gathered from an organization or firms in terms of ready-made form of publications or releases
Paramita, 2011: 49. Data used in this study were gathered from Greenpeaces quarterly Guide to Greener Electronics and Nasdaqs quarterly quotation of stock
price in electronics sector from June 2008 to January 2010.
